Nitrosamines Exchange - A knowledge based community for all-things Nitrosamine

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Nitrosamines Exchange - A knowledge based community for all-things Nitrosamine</title> <meta name="description" content="Learn, share and discuss All-things Nitrosamines"> <meta name="generator" content="Discourse 3.4.2 - https://github.com/discourse/discourse version d82220fc72a51aedd85e37180cdacea3c8a4a836"> <link rel="icon" type="image/png" href="https://nitrosamines.usp.org/uploads/db7259/optimized/1X/b9906df5ca25f2971af41d68e4430d26e5350374_2_32x32.png"> <link rel="apple-touch-icon" type="image/png" href="https://nitrosamines.usp.org/uploads/db7259/optimized/1X/3a4527a1afa6ecba86c36a386cb333201a8f1124_2_180x180.jpeg"> <meta name="theme-color" media="(prefers-color-scheme: light)" content="#f8f9fa"> <meta name="theme-color" media="(prefers-color-scheme: dark)" content="#f8f9fa"> <meta name="color-scheme" content="light dark"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, viewport-fit=cover"> <link rel="canonical" href="https://nitrosamines.usp.org/" /> <script type="application/ld+json">{"@context":"http://schema.org","@type":"WebSite","url":"https://nitrosamines.usp.org","name":"Nitrosamines Exchange","potentialAction":{"@type":"SearchAction","target":"https://nitrosamines.usp.org/search?q={search_term_string}","query-input":"required name=search_term_string"}}</script> <link rel="search" type="application/opensearchdescription+xml" href="https://nitrosamines.usp.org/opensearch.xml" title="Nitrosamines Exchange Search"> <link href="/stylesheets/color_definitions_usp-light_18_41_b360a1ccbfa59a672b08cdd5dab90e899f182091.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" class="light-scheme"/><link href="/stylesheets/color_definitions_usp-light_18_41_b360a1ccbfa59a672b08cdd5dab90e899f182091.css?__ws=nitrosamines.usp.org" media="(prefers-color-scheme: dark)" rel="stylesheet" class="dark-scheme"/> <link href="/stylesheets/desktop_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop" /> <link href="/stylesheets/chat_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="chat" /> <link href="/stylesheets/checklist_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="checklist" /> <link href="/stylesheets/discourse-adplugin_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-adplugin" /> <link href="/stylesheets/discourse-akismet_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-akismet" /> <link href="/stylesheets/discourse-cakeday_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-cakeday" /> <link href="/stylesheets/discourse-calendar_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-calendar" /> <link href="/stylesheets/discourse-data-explorer_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-data-explorer" /> <link href="/stylesheets/discourse-details_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-details" /> <link href="/stylesheets/discourse-docs_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-docs" /> <link href="/stylesheets/discourse-lazy-videos_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-lazy-videos" /> <link href="/stylesheets/discourse-local-dates_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-local-dates" /> <link href="/stylesheets/discourse-narrative-bot_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-narrative-bot" /> <link href="/stylesheets/discourse-presence_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-presence" /> <link href="/stylesheets/discourse-solved_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-solved" /> <link href="/stylesheets/discourse-topic-voting_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-topic-voting" /> <link href="/stylesheets/discourse-translator_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-translator" /> <link href="/stylesheets/footnote_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="footnote" /> <link href="/stylesheets/poll_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="poll" /> <link href="/stylesheets/spoiler-alert_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="spoiler-alert" /> <link href="/stylesheets/z-communiteq-features_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="z-communiteq-features" /> <link href="/stylesheets/chat_desktop_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="chat_desktop" /> <link href="/stylesheets/discourse-calendar_desktop_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-calendar_desktop" /> <link href="/stylesheets/discourse-topic-voting_desktop_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="discourse-topic-voting_desktop" /> <link href="/stylesheets/poll_desktop_108b6dfb0716e553f80d47b9dd2a651cd040fcc7.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="poll_desktop" /> <link href="/stylesheets/desktop_theme_42_712d66fc0245df23241a8943f6bb99355991b180.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="42" data-theme-name="category banners"/> <link href="/stylesheets/desktop_theme_10_54af184898d36b0bab0a919fe8e50e1672f09676.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="10" data-theme-name="discourse avatar component"/> <link href="/stylesheets/desktop_theme_27_98a66a71b7312aa9df2976ee6fcc77d9a7dbf13e.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="27" data-theme-name="discourse clickable topic"/> <link href="/stylesheets/desktop_theme_28_93247ca4f22666f57a9391ac908122a472fe8571.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="28" data-theme-name="easy footer"/> <link href="/stylesheets/desktop_theme_56_de750e15c0478e88d6aaf58ff6ea115fa2cf85b3.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="56" data-theme-name="featured links"/> <link href="/stylesheets/desktop_theme_57_c9ecaab6d0070d751768ba3bb73307640ad2e6a4.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="57" data-theme-name="featured topics"/> <link href="/stylesheets/desktop_theme_51_63a5b8998e58de06258827bce05cfd75e40f3f3d.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="51" data-theme-name="header locale selector"/> <link href="/stylesheets/desktop_theme_58_a6c98d675c680fe607196284ccb7c0cf98a2ab5f.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="58" data-theme-name="header logo title"/> <link href="/stylesheets/desktop_theme_30_85e837d672a2a982d385d4aff6cbddaf00eb65cd.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="30" data-theme-name="modern category + group boxes"/> <link href="/stylesheets/desktop_theme_50_fa138f9f72223d2ef3f7c56f8150e622348dc4d2.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="50" data-theme-name="navigation menu display control"/> <link href="/stylesheets/desktop_theme_54_ea7acab9737231dba3470a09b9969785fddfda8a.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="54" data-theme-name="primary button"/> <link href="/stylesheets/desktop_theme_55_e3a57fad8053cfff4d9cc0c14ed5ae5a4b1b6c01.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="55" data-theme-name="rounded"/> <link href="/stylesheets/desktop_theme_43_a51b55c25bf5b7f01466df096520abf284316229.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="43" data-theme-name="tag banners"/> <link href="/stylesheets/desktop_theme_9_f33a48808c2b0443baee2bc3d2090caddf64e804.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="9" data-theme-name="trust level avatar flair"/> <link href="/stylesheets/desktop_theme_41_583b9be6c03f80bbef3e0dca0f1b29a246b5c2d0.css?__ws=nitrosamines.usp.org" media="all" rel="stylesheet" data-target="desktop_theme" data-theme-id="41" data-theme-name="usp experts"/> <script defer="" src="/theme-javascripts/c5245b44108ad7226a95529563bb5884437c498d.js?__ws=nitrosamines.usp.org" data-theme-id="9" nonce="7iWlEdEAKYZjYubjvCCi1RBLn"></script>    <div id="ZN_b3MMRaiYHsiCyuG"></div> <script defer="" src="/theme-javascripts/e69152c40c9991a941252686e47cd27ddcadba64.js?__ws=nitrosamines.usp.org" data-theme-id="37" nonce="7iWlEdEAKYZjYubjvCCi1RBLn"></script>  <script async="" src="https://www.googletagmanager.com/gtag/js?id=G-GZCGZQZ1K4" nonce="7iWlEdEAKYZjYubjvCCi1RBLn"></script> <script defer="" src="/theme-javascripts/65f877b3703b22bd928363eb6bbf81ca4ea05778.js?__ws=nitrosamines.usp.org" data-theme-id="37" nonce="7iWlEdEAKYZjYubjvCCi1RBLn"></script> <meta id="data-ga-universal-analytics" data-tracking-code="G-GZCGZQZ1K4" data-json="{"cookieDomain":"auto"}" data-auto-link-domains=""> <script defer src="/assets/google-universal-analytics-v3-08add7ec997ab472fcd9f821d32ff7caf4b8b9a5de2ec18ca723a040be07a098.js" data-discourse-entrypoint="google-universal-analytics-v3" nonce="7iWlEdEAKYZjYubjvCCi1RBLn"></script> <link rel="next" href="/latest?no_definitions=true&page=1"> <link rel="alternate" type="application/rss+xml" title="Latest posts" href="https://nitrosamines.usp.org/posts.rss" /> <link rel="alternate" type="application/rss+xml" title="Latest topics" href="https://nitrosamines.usp.org/latest.rss" /> <meta property="og:site_name" content="Nitrosamines Exchange" /> <meta property="og:type" content="website" /> <meta name="twitter:card" content="summary" /> <meta property="og:image" content="https://nitrosamines.usp.org/uploads/db7259/original/1X/245b8254540e755a018d20f2ffa64946d05afb63.svg" /> <meta property="og:url" content="https://nitrosamines.usp.org/" /> <meta name="twitter:url" content="https://nitrosamines.usp.org/" /> <meta property="og:title" content="Nitrosamines Exchange" /> <meta name="twitter:title" content="Nitrosamines Exchange" /> <meta property="og:description" content="Learn, share and discuss All-things Nitrosamines" /> <meta name="twitter:description" content="Learn, share and discuss All-things Nitrosamines" /> </head> <body class="crawler browser-update"> <header> <a href="/"> Nitrosamines Exchange </a> </header> <div id="main-outlet" class="wrap" role="main"> <div class="topic-list-container" itemscope itemtype='http://schema.org/ItemList'> <meta itemprop='itemListOrder' content='http://schema.org/ItemListOrderDescending'> <table class='topic-list'> <thead> <tr> <th>Topic</th> <th></th> <th class="replies">Replies</th> <th class="views">Views</th> <th>Activity</th> </tr> </thead> <tbody> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='1'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/see-who-else-is-a-member/372' class='title raw-link raw-topic-link'>See Who Else Is A Member</a> </span> <div class="link-bottom-line"> <a href='/c/how-to/22' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #808281'></span> <span class='badge-category clear-badge'> <span class='category-name'>How-To</span> </span> </a> <div class="discourse-tags"> </div> </div> <p class='excerpt'> One theme which emerged from our discussions yesterday was members here want to see who else is a member. You can visit our public member directory here. </p> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/RichardMillington" class="latest single"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/richardmillington/25/7_2.png" class="avatar" title='RichardMillington - Original Poster, Most Recent Poster' aria-label='RichardMillington - Original Poster, Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>1</span> </td> <td class="views"> <span class='views' title='views'>3415</span> </td> <td> July 2, 2021 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='2'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/introduce-yourself-here/57' class='title raw-link raw-topic-link'>Introduce yourself here!</a> </span> <div class="link-bottom-line"> <a href='/c/site-feedback/2' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #808281'></span> <span class='badge-category clear-badge'> <span class='category-name'>About Nitrosamines Exchange</span> </span> </a> <div class="discourse-tags"> </div> </div> <p class='excerpt'> Hello and welcome to the Nitrosamines Exchange Community. Whether you’re new to the topic or you’ve been a here a while, we’re really happy to have you here and helping us build knowledge and best practices to carry out… </p> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Original Poster' aria-label='Naiffer_Host - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Mrunal" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/mrunal/25/59_2.png" class="avatar" title='Mrunal - Frequent Poster' aria-label='Mrunal - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/mtillashi" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/m/c0e974/25.png" class="avatar" title='mtillashi - Frequent Poster' aria-label='mtillashi - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Shirish" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/ee7513/25.png" class="avatar" title='Shirish - Frequent Poster' aria-label='Shirish - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/sachinb1" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/c89c15/25.png" class="avatar" title='sachinb1 - Most Recent Poster' aria-label='sachinb1 - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>299</span> </td> <td class="views"> <span class='views' title='views'>9422</span> </td> <td> March 10, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='3'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/risk-mitigation-based-on-dp-specifications/12878' class='title raw-link raw-topic-link'>Risk mitigation based on DP specifications</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/risk-assessment' class='discourse-tag'>risk-assessment</a> ,  <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/HGranel" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/hgranel/25/3114_2.png" class="avatar" title='HGranel - Original Poster' aria-label='HGranel - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/JavierFernandez" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/j/9de053/25.png" class="avatar" title='JavierFernandez - Frequent Poster' aria-label='JavierFernandez - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Georg_Ever2018" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/g/898d66/25.png" class="avatar" title='Georg_Ever2018 - Frequent Poster' aria-label='Georg_Ever2018 - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/SusanFelter" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/90ced4/25.png" class="avatar" title='SusanFelter - Frequent Poster' aria-label='SusanFelter - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/mflorea" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/m/eb9ed0/25.png" class="avatar" title='mflorea - Most Recent Poster' aria-label='mflorea - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>8</span> </td> <td class="views"> <span class='views' title='views'>333</span> </td> <td> April 3, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='4'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/lhasa-brazil-symposium-aligning-pharma-regulatory-standards-globally/12933' class='title raw-link raw-topic-link'>:brazil: Lhasa Brazil Symposium: Aligning Pharma & Regulatory Standards Globally :brazil:</a> </span> <div class="link-bottom-line"> <a href='/c/events/19' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Events / Workshops / Webinars</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/risk-assessment' class='discourse-tag'>risk-assessment</a> ,  <a href='https://nitrosamines.usp.org/tag/FDA' class='discourse-tag'>FDA</a> ,  <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/emmascrafton" class="latest single"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/e/a9adbd/25.png" class="avatar" title='emmascrafton - Original Poster, Most Recent Poster' aria-label='emmascrafton - Original Poster, Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>0</span> </td> <td class="views"> <span class='views' title='views'>17</span> </td> <td> April 3, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='5'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/nitrosamine-ph-role/12914' class='title raw-link raw-topic-link'>Nitrosamine- pH role</a> </span> <div class="link-bottom-line"> <a href='/c/impurities/7' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>N-nitrosamines Chemistry</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/elisa_a1" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/e/838e76/25.png" class="avatar" title='elisa_a1 - Original Poster' aria-label='elisa_a1 - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/elenipoliti" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/elenipoliti/25/2955_2.png" class="avatar" title='elenipoliti - Frequent Poster' aria-label='elenipoliti - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/sarvesh.goel" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/e47774/25.png" class="avatar" title='sarvesh.goel - Frequent Poster' aria-label='sarvesh.goel - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Frequent Poster' aria-label='chrischar - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/MarkS" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/marks/25/2220_2.png" class="avatar" title='MarkS - Most Recent Poster' aria-label='MarkS - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>6</span> </td> <td class="views"> <span class='views' title='views'>122</span> </td> <td> April 3, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='6'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/risk-assessment-ass-paracetamol-coffein-tablets/12844' class='title raw-link raw-topic-link'>Risk Assessment ASS/Paracetamol/Coffein tablets</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/KWL" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/k/e19b73/25.png" class="avatar" title='KWL - Original Poster' aria-label='KWL - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Wolffi" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/w/958977/25.png" class="avatar" title='Wolffi - Frequent Poster' aria-label='Wolffi - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/sarvesh.goel" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/e47774/25.png" class="avatar" title='sarvesh.goel - Most Recent Poster' aria-label='sarvesh.goel - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>2</span> </td> <td class="views"> <span class='views' title='views'>178</span> </td> <td> April 3, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='7'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/nitrosamine-in-rizatriptan-benzoate/12784' class='title raw-link raw-topic-link'>Nitrosamine in Rizatriptan Benzoate</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/DrYogesh" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/898d66/25.png" class="avatar" title='DrYogesh - Original Poster' aria-label='DrYogesh - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Phil" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/p/e95f7d/25.png" class="avatar" title='Phil - Frequent Poster' aria-label='Phil - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Frequent Poster' aria-label='Naiffer_Host - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/sarvesh.goel" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/e47774/25.png" class="avatar" title='sarvesh.goel - Most Recent Poster' aria-label='sarvesh.goel - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>4</span> </td> <td class="views"> <span class='views' title='views'>194</span> </td> <td> April 3, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='8'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/n-nitroso-clozapine/12868' class='title raw-link raw-topic-link'>N-Nitroso clozapine</a> </span> <div class="link-bottom-line"> <a href='/c/new-scientific-knowledge-development/18' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>New Scientific Knowledge & Development</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/DPandey" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/779978/25.png" class="avatar" title='DPandey - Original Poster' aria-label='DPandey - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Patekas" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/p/7bcc69/25.png" class="avatar" title='Patekas - Frequent Poster' aria-label='Patekas - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/sarvesh.goel" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/e47774/25.png" class="avatar" title='sarvesh.goel - Most Recent Poster' aria-label='sarvesh.goel - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>2</span> </td> <td class="views"> <span class='views' title='views'>138</span> </td> <td> April 3, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='9'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/laboratory-study-in-gastric-nitrosamine-formation/11696' class='title raw-link raw-topic-link'>Laboratory Study in Gastric Nitrosamine Formation</a> </span> <div class="link-bottom-line"> <a href='/c/new-scientific-knowledge-development/18' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>New Scientific Knowledge & Development</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/jason.brown" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/jason.brown/25/1795_2.png" class="avatar" title='jason.brown - Original Poster, Most Recent Poster' aria-label='jason.brown - Original Poster, Most Recent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Frequent Poster' aria-label='chrischar - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/daixulin" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/5daacb/25.png" class="avatar" title='daixulin - Frequent Poster' aria-label='daixulin - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/elenipoliti" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/elenipoliti/25/2955_2.png" class="avatar" title='elenipoliti - Frequent Poster' aria-label='elenipoliti - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Frequent Poster' aria-label='Yosukemino - Frequent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>8</span> </td> <td class="views"> <span class='views' title='views'>338</span> </td> <td> April 2, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='10'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/overcoming-analytical-challenges-in-nitrosamine-detection-an-lcgc-international-peer-exchange/12920' class='title raw-link raw-topic-link'>Overcoming Analytical Challenges in Nitrosamine Detection: An LCGC International Peer Exchange</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Original Poster' aria-label='Yosukemino - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ASrinivasan" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/b4bc9f/25.png" class="avatar" title='ASrinivasan - Most Recent Poster' aria-label='ASrinivasan - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>1</span> </td> <td class="views"> <span class='views' title='views'>74</span> </td> <td> April 2, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='11'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/evaluation-of-the-nitrosamine-impurities-of-ace-inhibitors-using-computational-in-vitro-and-in-vivo-methods-demonstrate-no-genotoxic-potential-pub/11114' class='title raw-link raw-topic-link'>Evaluation of the nitrosamine impurities of ACE inhibitors using computational, in vitro, and in vivo methods demonstrate no genotoxic potential -Pub</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/jbercu" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/j/41988e/25.png" class="avatar" title='jbercu - Original Poster' aria-label='jbercu - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Frequent Poster' aria-label='Naiffer_Host - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/conudel" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/conudel/25/803_2.png" class="avatar" title='conudel - Frequent Poster' aria-label='conudel - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Begumisa" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/begumisa/25/1900_2.png" class="avatar" title='Begumisa - Frequent Poster' aria-label='Begumisa - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ccdw" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/d9b06d/25.png" class="avatar" title='ccdw - Most Recent Poster' aria-label='ccdw - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>8</span> </td> <td class="views"> <span class='views' title='views'>476</span> </td> <td> April 2, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='12'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/analysis-of-nitrosamines-in-water-insoluble-apis-by-lc-ms-ms/12911' class='title raw-link raw-topic-link'>Analysis of Nitrosamines in Water-Insoluble APIs by LC-MS/MS</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Hasan_T" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/h/edb3f5/25.png" class="avatar" title='Hasan_T - Original Poster' aria-label='Hasan_T - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Most Recent Poster' aria-label='Naiffer_Host - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>1</span> </td> <td class="views"> <span class='views' title='views'>91</span> </td> <td> April 2, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='13'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/fda-control-of-nitrosamine-impurities-in-human-drugs-revision2/10827' class='title raw-link raw-topic-link'>🇺🇸 FDA Control of Nitrosamine Impurities in Human Drugs revision2</a> </span> <div class="link-bottom-line"> <a href='/c/guidance-documents-resources/20' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Guidance, Documents, Resources</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/FDA' class='discourse-tag'>FDA</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Original Poster' aria-label='Yosukemino - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Frequent Poster' aria-label='Naiffer_Host - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ASrinivasan" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/b4bc9f/25.png" class="avatar" title='ASrinivasan - Frequent Poster' aria-label='ASrinivasan - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/MarkS" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/marks/25/2220_2.png" class="avatar" title='MarkS - Frequent Poster' aria-label='MarkS - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Most Recent Poster' aria-label='chrischar - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>53</span> </td> <td class="views"> <span class='views' title='views'>3793</span> </td> <td> April 2, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='14'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/health-canada-recalled-drug-products/12900' class='title raw-link raw-topic-link'>Health Canada recalled drug products</a> </span> <div class="link-bottom-line"> <a href='/c/inthenews/17' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Nitrosamines in the News</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class="latest single"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Original Poster, Most Recent Poster' aria-label='Yosukemino - Original Poster, Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>0</span> </td> <td class="views"> <span class='views' title='views'>298</span> </td> <td> April 1, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='15'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/current-nitrosamine-landscape-in-japan/1626' class='title raw-link raw-topic-link'>🇯🇵 Current Nitrosamine Landscape in Japan?</a> </span> <div class="link-bottom-line"> <a href='/c/new-scientific-knowledge-development/18' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>New Scientific Knowledge & Development</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Original Poster' aria-label='Naiffer_Host - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Pradpharma" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/p/46a35a/25.png" class="avatar" title='Pradpharma - Frequent Poster' aria-label='Pradpharma - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Frequent Poster' aria-label='chrischar - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/MarkS" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/marks/25/2220_2.png" class="avatar" title='MarkS - Frequent Poster' aria-label='MarkS - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Xuguoqin" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/x/e95f7d/25.png" class="avatar" title='Xuguoqin - Most Recent Poster' aria-label='Xuguoqin - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>140</span> </td> <td class="views"> <span class='views' title='views'>12783</span> </td> <td> April 1, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='16'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/new-publication-on-nitrosation-from-multicase/12674' class='title raw-link raw-topic-link'>New publication on "Nitrosation" from MultiCASE</a> </span> <div class="link-bottom-line"> <a href='/c/new-scientific-knowledge-development/18' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>New Scientific Knowledge & Development</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chakravarti_suman" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/94ad74/25.png" class="avatar" title='chakravarti_suman - Original Poster' aria-label='chakravarti_suman - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/mflorea" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/m/eb9ed0/25.png" class="avatar" title='mflorea - Frequent Poster' aria-label='mflorea - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Frequent Poster' aria-label='Naiffer_Host - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/MarkS" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/marks/25/2220_2.png" class="avatar" title='MarkS - Frequent Poster' aria-label='MarkS - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Most Recent Poster' aria-label='Yosukemino - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>7</span> </td> <td class="views"> <span class='views' title='views'>451</span> </td> <td> March 29, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='17'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/us-fda-declines-to-approve-milestones-heart-rhythm-nasal-spray-shares-halve/12880' class='title raw-link raw-topic-link'>US FDA declines to approve Milestone's heart rhythm nasal spray; shares halve</a> </span> <div class="link-bottom-line"> <a href='/c/inthenews/17' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Nitrosamines in the News</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/FDA' class='discourse-tag'>FDA</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class="latest single"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Original Poster, Most Recent Poster' aria-label='Yosukemino - Original Poster, Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>0</span> </td> <td class="views"> <span class='views' title='views'>122</span> </td> <td> March 28, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='18'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/looking-for-insights-on-n-nitroso-sertraline-analysis-by-lc-ms/12855' class='title raw-link raw-topic-link'>Looking for insights on N-nitroso-sertraline analysis by LC-MS</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/adriana.godoy" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/e68b1a/25.png" class="avatar" title='adriana.godoy - Original Poster' aria-label='adriana.godoy - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/dianalaluna" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/85e7bf/25.png" class="avatar" title='dianalaluna - Frequent Poster' aria-label='dianalaluna - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/daniel.silveira" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/a6a055/25.png" class="avatar" title='daniel.silveira - Frequent Poster' aria-label='daniel.silveira - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/dsmuga" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/4af34b/25.png" class="avatar" title='dsmuga - Frequent Poster' aria-label='dsmuga - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ROSAEMO1" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/r/e47774/25.png" class="avatar" title='ROSAEMO1 - Most Recent Poster' aria-label='ROSAEMO1 - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>7</span> </td> <td class="views"> <span class='views' title='views'>265</span> </td> <td> March 28, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='19'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/testing-of-n-nitroso-cinacalcet/12684' class='title raw-link raw-topic-link'>Testing of N-nitroso-cinacalcet</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/zp19870505" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/z/9de053/25.png" class="avatar" title='zp19870505 - Original Poster' aria-label='zp19870505 - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Brian_Olvera" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/b/e0b2c6/25.png" class="avatar" title='Brian_Olvera - Frequent Poster' aria-label='Brian_Olvera - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ebellur" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/e/bcef8e/25.png" class="avatar" title='ebellur - Frequent Poster' aria-label='ebellur - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Marisa.Chaves" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/m/958977/25.png" class="avatar" title='Marisa.Chaves - Frequent Poster' aria-label='Marisa.Chaves - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Amit091086" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/779978/25.png" class="avatar" title='Amit091086 - Most Recent Poster' aria-label='Amit091086 - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>5</span> </td> <td class="views"> <span class='views' title='views'>356</span> </td> <td> March 27, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='20'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/determination-of-n-nitroso-desmethyl-tetracycline/12038' class='title raw-link raw-topic-link'>Determination of N-nitroso desmethyl Tetracycline</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Original Poster' aria-label='chrischar - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/jason.brown" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/jason.brown/25/1795_2.png" class="avatar" title='jason.brown - Frequent Poster' aria-label='jason.brown - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/RenatS" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/r/53a042/25.png" class="avatar" title='RenatS - Frequent Poster' aria-label='RenatS - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/VishvasS1245" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/v/958977/25.png" class="avatar" title='VishvasS1245 - Frequent Poster' aria-label='VishvasS1245 - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/daniel.silveira" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/a6a055/25.png" class="avatar" title='daniel.silveira - Most Recent Poster' aria-label='daniel.silveira - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>5</span> </td> <td class="views"> <span class='views' title='views'>478</span> </td> <td> March 26, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='21'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/industrial-case-studies-demonstrating-applicability-of-ich-m7control-options-3-and-4-for-nitrosamine-control-pub/12832' class='title raw-link raw-topic-link'>Industrial Case Studies Demonstrating Applicability of ICH M7Control Options 3 and 4 for Nitrosamine Control -Pub</a> </span> <div class="link-bottom-line"> <a href='/c/new-scientific-knowledge-development/18' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>New Scientific Knowledge & Development</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/ICH-M7' class='discourse-tag'>ICH-M7</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Original Poster' aria-label='Naiffer_Host - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/elenipoliti" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/elenipoliti/25/2955_2.png" class="avatar" title='elenipoliti - Frequent Poster' aria-label='elenipoliti - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Most Recent Poster' aria-label='Yosukemino - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>3</span> </td> <td class="views"> <span class='views' title='views'>411</span> </td> <td> March 26, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='22'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/quantitative-investigation-of-nitrosamine-drug-substance-related-impurities-ndsris-under-artificial-gastric-conditions-by-liquid-chromatography-tandem-mass-spectrometry-and-structure-activity-relationship-analysis-pub/12845' class='title raw-link raw-topic-link'>Quantitative Investigation of Nitrosamine Drug Substance-Related Impurities (NDSRIs) Under Artificial Gastric Conditions by Liquid Chromatography–Tandem Mass Spectrometry and Structure–Activity Relationship Analysis -Pub</a> </span> <div class="link-bottom-line"> <a href='/c/new-scientific-knowledge-development/18' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>New Scientific Knowledge & Development</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class="latest single"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Original Poster, Most Recent Poster' aria-label='Yosukemino - Original Poster, Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>0</span> </td> <td class="views"> <span class='views' title='views'>226</span> </td> <td> March 24, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='23'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/the-quagmire-with-the-interim-limit-of-nitroso-duloxetine/12208' class='title raw-link raw-topic-link'>The quagmire with the interim limit of nitroso duloxetine</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ASrinivasan" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/b4bc9f/25.png" class="avatar" title='ASrinivasan - Original Poster, Most Recent Poster' aria-label='ASrinivasan - Original Poster, Most Recent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Frequent Poster' aria-label='Yosukemino - Frequent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>4</span> </td> <td class="views"> <span class='views' title='views'>438</span> </td> <td> March 24, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='24'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/if-only-i-had-known/12774' class='title raw-link raw-topic-link'>If only I had known…</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/featured' class='discourse-tag'>featured</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/jason.brown" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/jason.brown/25/1795_2.png" class="avatar" title='jason.brown - Original Poster' aria-label='jason.brown - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Frequent Poster' aria-label='chrischar - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ccdw" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/d9b06d/25.png" class="avatar" title='ccdw - Frequent Poster' aria-label='ccdw - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ASrinivasan" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/b4bc9f/25.png" class="avatar" title='ASrinivasan - Frequent Poster' aria-label='ASrinivasan - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/yagmur" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yagmur/25/2972_2.png" class="avatar" title='yagmur - Most Recent Poster' aria-label='yagmur - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>24</span> </td> <td class="views"> <span class='views' title='views'>951</span> </td> <td> March 23, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='25'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/n-nitrosodicyclohexylamine-ndcha-what-do-you-know-about-it/12315' class='title raw-link raw-topic-link'>N-nitrosodicyclohexylamine (NDCHA), what do you know about it?</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/Manufacturing' class='discourse-tag'>Manufacturing</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/CesarJr" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/34f0e0/25.png" class="avatar" title='CesarJr - Original Poster' aria-label='CesarJr - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/JavierFernandez" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/j/9de053/25.png" class="avatar" title='JavierFernandez - Frequent Poster' aria-label='JavierFernandez - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ASrinivasan" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/a/b4bc9f/25.png" class="avatar" title='ASrinivasan - Frequent Poster' aria-label='ASrinivasan - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Hermine4011" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/hermine4011/25/2654_2.png" class="avatar" title='Hermine4011 - Frequent Poster' aria-label='Hermine4011 - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/elenipoliti" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/elenipoliti/25/2955_2.png" class="avatar" title='elenipoliti - Most Recent Poster' aria-label='elenipoliti - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>18</span> </td> <td class="views"> <span class='views' title='views'>438</span> </td> <td> March 21, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='26'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/chemistry-of-n-nitroso-ivacaftor/8609' class='title raw-link raw-topic-link'>Chemistry of N-Nitroso Ivacaftor</a> </span> <div class="link-bottom-line"> <a href='/c/impurities/7' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>N-nitrosamines Chemistry</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/dhirajsakalle" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/d/3bc359/25.png" class="avatar" title='dhirajsakalle - Original Poster' aria-label='dhirajsakalle - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/SunilRMurkute" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/ecccb3/25.png" class="avatar" title='SunilRMurkute - Frequent Poster' aria-label='SunilRMurkute - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Rafa" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/r/e495f1/25.png" class="avatar" title='Rafa - Frequent Poster' aria-label='Rafa - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/krishmnt" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/k/6f9a4e/25.png" class="avatar" title='krishmnt - Frequent Poster' aria-label='krishmnt - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/chrischar" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/c4cdca/25.png" class="avatar" title='chrischar - Most Recent Poster' aria-label='chrischar - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>10</span> </td> <td class="views"> <span class='views' title='views'>1223</span> </td> <td> March 21, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='27'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/modified-nap-test-a-simple-and-responsive-nitrosating-methodology-for-risk-evaluation-of-ndsris-pub/5438' class='title raw-link raw-topic-link'>Modified NAP Test: A Simple and Responsive Nitrosating Methodology for Risk Evaluation of NDSRIs -Pub</a> </span> <div class="link-bottom-line"> <a href='/c/confirmatory-testing/23' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Confirmatory Testing & Analytical Challenges</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class="latest"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Original Poster, Most Recent Poster' aria-label='Naiffer_Host - Original Poster, Most Recent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/JavierFernandez" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/j/9de053/25.png" class="avatar" title='JavierFernandez - Frequent Poster' aria-label='JavierFernandez - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Muzaffar" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/m/eb8c5e/25.png" class="avatar" title='Muzaffar - Frequent Poster' aria-label='Muzaffar - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Frabaneda" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/frabaneda/25/185_2.png" class="avatar" title='Frabaneda - Frequent Poster' aria-label='Frabaneda - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/RaviShah" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/r/74df32/25.png" class="avatar" title='RaviShah - Frequent Poster' aria-label='RaviShah - Frequent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>5</span> </td> <td class="views"> <span class='views' title='views'>3590</span> </td> <td> March 20, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='28'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/phathom-pharmaceuticals-reported-nitrosamine-impurity-in-their-vonoprazan-based-products/3278' class='title raw-link raw-topic-link'>Phathom Pharmaceuticals reported nitrosamine impurity in their vonoprazan-based products</a> </span> <div class="link-bottom-line"> <a href='/c/inthenews/17' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Nitrosamines in the News</span> </span> </a> <div class="discourse-tags"> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/pragnesh" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/pragnesh/25/2379_2.png" class="avatar" title='pragnesh - Original Poster' aria-label='pragnesh - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Xuguoqin" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/x/e95f7d/25.png" class="avatar" title='Xuguoqin - Frequent Poster' aria-label='Xuguoqin - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Naiffer_Host" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/naiffer_host/25/48_2.png" class="avatar" title='Naiffer_Host - Frequent Poster' aria-label='Naiffer_Host - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ccdw" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/d9b06d/25.png" class="avatar" title='ccdw - Frequent Poster' aria-label='ccdw - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Vaishu_2402" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/v/a8b319/25.png" class="avatar" title='Vaishu_2402 - Most Recent Poster' aria-label='Vaishu_2402 - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>25</span> </td> <td class="views"> <span class='views' title='views'>3063</span> </td> <td> March 20, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='29'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/generic-drugs-forum-gdf-2025/12789' class='title raw-link raw-topic-link'>Generic Drugs Forum (GDF) 2025</a> </span> <div class="link-bottom-line"> <a href='/c/events/19' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Events / Workshops / Webinars</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/FDA' class='discourse-tag'>FDA</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/Yosukemino" class="latest single"> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/yosukemino/25/187_2.png" class="avatar" title='Yosukemino - Original Poster, Most Recent Poster' aria-label='Yosukemino - Original Poster, Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>0</span> </td> <td class="views"> <span class='views' title='views'>155</span> </td> <td> March 18, 2025 </td> </tr> <tr class="topic-list-item"> <td class="main-link" itemprop='itemListElement' itemscope itemtype='http://schema.org/ListItem'> <meta itemprop='position' content='30'> <span class="link-top-line"> <a itemprop='url' href='https://nitrosamines.usp.org/t/ai-limits-and-cpca-score-o-nn1ccn-c1ccl/12724' class='title raw-link raw-topic-link'>AI limits and CPCA score (O=NN1CCN=C1CCl)</a> </span> <div class="link-bottom-line"> <a href='/c/limits/8' class='badge-wrapper bullet'> <span class='badge-category-bg' style='background-color: #0088CC'></span> <span class='badge-category clear-badge'> <span class='category-name'>Limits of Nitrosamines</span> </span> </a> <div class="discourse-tags"> <a href='https://nitrosamines.usp.org/tag/NDSRI' class='discourse-tag'>NDSRI</a> </div> </div> </td> <td class='posters'> <a rel='nofollow' href="https://nitrosamines.usp.org/u/NNRUSP" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/n/67e7ee/25.png" class="avatar" title='NNRUSP - Original Poster' aria-label='NNRUSP - Original Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/ccdw" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/c/d9b06d/25.png" class="avatar" title='ccdw - Frequent Poster' aria-label='ccdw - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/elenipoliti" class=""> <img width="25" height="25" src="/user_avatar/nitrosamines.usp.org/elenipoliti/25/2955_2.png" class="avatar" title='elenipoliti - Frequent Poster' aria-label='elenipoliti - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/JavierFernandez" class=""> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/j/9de053/25.png" class="avatar" title='JavierFernandez - Frequent Poster' aria-label='JavierFernandez - Frequent Poster'> </a> <a rel='nofollow' href="https://nitrosamines.usp.org/u/sachinb1" class="latest"> <img width="25" height="25" src="/letter_avatar_proxy/v4/letter/s/c89c15/25.png" class="avatar" title='sachinb1 - Most Recent Poster' aria-label='sachinb1 - Most Recent Poster'> </a> </td> <td class="replies"> <span class='posts' title='posts'>8</span> </td> <td class="views"> <span class='views' title='views'>316</span> </td> <td> March 17, 2025 </td> </tr> </tbody> </table> </div> <div class="navigation" role='navigation' itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'><b><a href='/latest?no_definitions=true&page=1' rel='next' itemprop='url'>next page →</a></b></span> </div>  </div> <footer class="container wrap"> <nav class='crawler-nav'> <ul> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/' itemprop="url">Home </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/categories' itemprop="url">Categories </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/guidelines' itemprop="url">Guidelines </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/tos' itemprop="url">Terms of Service </a> </span> </li> <li itemscope itemtype='http://schema.org/SiteNavigationElement'> <span itemprop='name'> <a href='/privacy' itemprop="url">Privacy Policy </a> </span> </li> </ul> </nav> <p class='powered-by-link'>Powered by <a href="https://www.discourse.org">Discourse</a>, best viewed with JavaScript enabled</p> </footer>  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-M9F65K3" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>  <div class="buorg"><div>Unfortunately, <a href="https://www.discourse.org/faq/#browser">your browser is unsupported</a>. Please <a href="https://browsehappy.com">switch to a supported browser</a> to view rich content, log in and reply.</div></div> </body> </html>

CINXE.COM

Nitrosamines Exchange - A knowledge based community for all-things Nitrosamine