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class="styles__PageContainer-sc-1movbvx-0 csYtDx"><nav class="usa-breadcrumb" aria-label="Breadcrumbs"><ol class="usa-breadcrumb__list"><li class="usa-breadcrumb__list-item"><a class="usa-breadcrumb__link" href="/uniisearch">home</a></li><li class="usa-breadcrumb__list-item usa-current" aria-current="page">YSC9WAF8X1</li></ol></nav><div class="styles__StyledSearchSection-sc-1w1qr7y-0 enCCQO"><form action="/srs" class="styles__StyledForm-sc-1w1qr7y-6 clvaHx"><div class="styles__StyledErrorMessage-sc-1w1qr7y-2 gjHGtN"></div><div class="styles__StyledRow-sc-1w1qr7y-11 gxCsKy"><div class="styles__StyledSearchBar-sc-1w1qr7y-1 hgyrUb"><input type="text" data-testid="textInput" class="usa-input styles__StyledTextInput-sc-1w1qr7y-8 hUXbPH" id="search" name="search" aria-autocomplete="list" aria-haspopup="true" aria-controls="searchMenu" aria-activedescendant="" aria-labelledby="searchMenu-label" value="" autoComplete="off" placeholder="Type in a search query or UNII" required=""/><ul hidden="" role="listbox" aria-haspopup="listbox" aria-expanded="false" aria-labelledby="searchMenu-label" tabindex="0" class="styles__StyledSearchHints-sc-1w1qr7y-3 cEcGBQ"><div class="styles__StyledHintInfo-sc-1w1qr7y-4 fOLGbL"><div>* (0 result)</div></div><div>Loading...</div></ul></div><button type="button" class="usa-button styles__StyledButton-sc-1w1qr7y-7 fbNoGb" data-testid="button">Search</button></div></form></div><h1>XYLULOSE, D-</h1><ul role="grid" class="UniiDetails__StyledKeyValSection-sc-1mc6cko-1 lkwmOX"><li role="row" aria-readonly="true"><b role="rowheader">UNII:</b> <span role="gridcell">YSC9WAF8X1</span></li><li role="row" aria-readonly="true"><b role="rowheader">Formula:</b> <span role="gridcell">C5H10O5</span></li><li role="row" aria-readonly="true"><b role="rowheader">Preferred Substance Name:</b> <span role="gridcell">XYLULOSE, D-</span></li><li role="row" aria-readonly="true"><b role="rowheader">InChIKey:</b> <span role="gridcell">ZAQJHHRNXZUBTE-WUJLRWPWSA-N</span></li></ul><br/><div class="usa-accordion usa-accordion--bordered" data-testid="accordion" aria-multiselectable="true"><h4 class="usa-accordion__heading"><button type="button" class="usa-accordion__button" aria-expanded="true" aria-controls="2" data-testid="accordionButton_2">Synonyms and Mappings</button></h4><div id="2" data-testid="accordionItem_2" class="usa-accordion__content usa-prose"><ul role="list"><li role="listitem" aria-readonly="true" class="UniiDetails__StyledListItem-sc-1mc6cko-0 eqkoyq"><b>551-84-8</b></li><li role="listitem" aria-readonly="true" class="UniiDetails__StyledListItem-sc-1mc6cko-0 eqkoyq"><b>D-THREO-2-PENTULOSE</b></li><li role="listitem" aria-readonly="true" class="UniiDetails__StyledListItem-sc-1mc6cko-0 eqkoyq"><b>THREO-2-PENTULOSE, D-</b></li><li role="listitem" aria-readonly="true" class="UniiDetails__StyledListItem-sc-1mc6cko-0 eqkoyq"><b>XYLULOSE D-ISOMER [MI]</b></li></ul></div><h4 class="usa-accordion__heading"><button type="button" class="usa-accordion__button" aria-expanded="true" aria-controls="1" data-testid="accordionButton_1">Resources</button></h4><div id="1" data-testid="accordionItem_1" class="usa-accordion__content usa-prose"><div class="common__Row-sc-1wkjsrq-0 UniiDetails__StyledRow-sc-1mc6cko-9 cTzEhM cegsqY"><ul class="UniiDetails__StyledList-sc-1mc6cko-8 ejApwP"><li><div class="UniiDetails__StyledLinkOut-sc-1mc6cko-2 dfQSOk"><a href="https://commonchemistry.cas.org/detail?cas_rn=551-84-8" target="_blank" rel="noreferrer">Common Chemistry</a><div style="background:#0c68ad" class="UniiDetails__StyledIcon-sc-1mc6cko-3 kckiYI"><b>i</b></div></div></li><li><div class="UniiDetails__StyledLinkOut-sc-1mc6cko-2 dfQSOk"><a href="https://drugs.ncats.io/substance/YSC9WAF8X1" target="_blank" rel="noreferrer">Inxight Drugs</a><div style="background:#0c68ad" class="UniiDetails__StyledIcon-sc-1mc6cko-3 kckiYI"><b>i</b></div></div></li><li><div class="UniiDetails__StyledLinkOut-sc-1mc6cko-2 dfQSOk"><a href="https://gsrs.ncats.nih.gov/ginas/app/beta/substances/YSC9WAF8X1" target="_blank" rel="noreferrer">NCATS GSRS Full Record</a><div style="background:#0c68ad" class="UniiDetails__StyledIcon-sc-1mc6cko-3 kckiYI"><b>i</b></div></div></li><li><div class="UniiDetails__StyledLinkOut-sc-1mc6cko-2 dfQSOk"><a href="https://pubchem.ncbi.nlm.nih.gov/compound/5289590" target="_blank" rel="noreferrer">PubChem</a><div style="background:#0c68ad" class="UniiDetails__StyledIcon-sc-1mc6cko-3 kckiYI"><b>i</b></div></div></li><li><div class="UniiDetails__StyledLinkOut-sc-1mc6cko-2 dfQSOk"><a href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID70415364" target="_blank" rel="noreferrer">CompTox Chemicals Dashboard</a><div style="background:#0c68ad" class="UniiDetails__StyledIcon-sc-1mc6cko-3 kckiYI"><b>i</b></div></div></li></ul></div></div></div><div class="usa-alert usa-alert--info usa-alert--no-icon UniiDetails__StyledAlert-sc-1mc6cko-11 gTraQs" data-testid="alert"><div class="usa-alert__body"><h4 class="usa-alert__heading">Note</h4><p class="usa-alert__text">UNIIs are generated based on scientific identity characteristics using ISO 11238 data elements. UNII availability does not imply any regulatory review or approval. Synonyms and mappings are based on the best public information available at the time of publication. 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