CINXE.COM

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; charset=gb2312" /> <title>化工助手-化工数据资源库-化工网</title> <meta name=GOOGLEBOT content="index,follow"> <meta name="robots" content="index,follow"> <meta name="keywords" content="化工字典、CAS库、化学品安全、中文MSDS库、香料、颜料、染料、海关编码、危险品名录、农药通用名、免费化工期刊、畅销药物查询、药物ATC编码查询、化工缩略语、元素周期表、化合物取代基数据库、化合物母体数据库、化学配方数据库、化学物质分析方法数据库、登记农药数据库、农药用途数据库、FDA药品信息、FDA药品独占权信息查询、FDA药品专利信息"> <meta name="description" content="化工助手-化工网(中国权威化工服务中心)"> <link href="/css/layout.css" rel="stylesheet" type="text/css"> <link href="/css/helps.css" rel="stylesheet" type="text/css"> <link href="/css/font.css" rel="stylesheet" type="text/css"> <link rel="canonical" href="https://cheman.chemnet.com/"> <script language="JavaScript" type="text/javascript" src="/js/input.js"></script> <script> if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {window.location = "https://china.chemnet.com/cas/";} </script> </head> <body leftmargin=0 rightmargin=0 topmargin=0 onmousedown="mdown(event);">  <script type=text/javascript> function mdown(e){ var targ; if (!e) { var e = window.event; } if (e.target) { targ = e.target; } else if (e.srcElement) { targ = e.srcElement; } var tname; tname=targ.id; //alert("You clicked on a " + tname + " element."); } </script>  <div id="top"> <div class="t01"> <span style="width:290px;float:left;"><a href="https://cn.toocle.com/" class="blue" target="_blank">生意宝</a> | <a href="https://www.chemnet.com/" class="blue" target="_blank">全球化工网</a> | <a href="https://kr.chemnet.com/" class="blue" target="_blank">韩国化工网</a> | <a href="https://www.chinachemnet.com" class="blue" target="_blank">ChinaChemNet</a></span><span style="float:right;margin-right:0px;width:210px;">·<a href="https://china.chemnet.com/member/admin/hub/reg.cgi?t=minfo&f=add&lang=chn" class="gray" target="_blank">免费注册</a>　·<a href="https://china.chemnet.com/member/" class="orange" target="_blank">用户登录</a>　·<a href="https://china.chemnet.com/help/" class="gray" target="_blank">服务中心</a></span>　 </div> <div class="t02"> <ul> <li class="logo"><a href="https://china.chemnet.com/"><img src="https://china.chemnet.com/company/images/logo01.gif" alt="化工助手" width="176" height="50" align="absmiddle" /></a><b>助手</b></li> <li> <div class="bt" style="padding-left:540px;"> <a href="https://cheman.chemnet.com/dict/zd.html" target="_blank" class="blue"><span class="ccd">化工字典</span></a> <a href="https://www.chinachemnet.com" target="_blank" class="blue"><span class="ccd">English</span></a></div> <div class="nav0"> <ul> <li><img src="https://china.chemnet.com/images/menu_01.gif" align="absmiddle" /></li> <li class="bg"><a href="https://china.chemnet.com/" class="white">首页</a> | <a href="https://china.chemnet.com/product/" class="white">产品</a> | <a href="https://china.chemnet.com/company/" class="white">企业</a> | <a href="https://china.chemnet.com/trade/" class="white">商机</a> | <a href="https://www.100ppi.com/mprice/mlist-1-14-1.html" target="_blank" class="white">报价</a> | <a href="https://china.chemnet.com/fx/" class="white" target="_blank">达人卖货</a> | <a href="https://news.chemnet.com/" class="white">资讯</a> | <a href="https://china.chemnet.com/expo/" class="white">会展</a> | <a href="https://cheman.chemnet.com" class="yellow fb">助手</a> | <a href="https://www.rawmex.cn/" class="white" target="_blank">撮合交易</a> | <a href="https://mall.chemnet.com/" class="white" target="_blank">化工网商城</a></li> <li><img src="https://china.chemnet.com/images/menu_03.gif" align="absmiddle" /></li> </ul> </div> </li> </ul> </div> <div class="search"> <ul> <li><img src="https://china.chemnet.com/images/top_bg03.gif" align="absmiddle" /></li> <li class="w"><form action="https://china.chemnet.com/search.cgi" method="post"> <input type="hidden" name="f" value="plist"> <input type="hidden" name="c" value="14"> <input type="hidden" name="s" value="1"> <input type="hidden" name="query" value=""> <input type="hidden" name="type" value="word"> <input name="terms" type="text" id="key" size="50" value="请输入产品名称或CAS No." onFocus="if(value==defaultValue){value='';this.style.color='#000'}" onBlur="if(!value){value=defaultValue;this.style.color='#999'}" class="input" /> <select name="choice"> <option value="dict2">CAS库</option> <option value="product">产品库</option>  </select> <input type="image" name="submit" value="化工搜索" src="/images/button01.gif" align="absmiddle" /> </form> </li> <li><img src="https://china.chemnet.com/images/top_bg04.gif" align="absmiddle" /></li> </ul> </div> </div> <div id="had"><li class="wp22"><a href="http://www.tdchem.com/" target="_blank"><img src="/images/tdchem237.gif" width="237" height="68" border="0" /></a></li> <li class="wp22"><a href="/" target="_blank"><img src="/images/data.gif" alt="行业数据中心" width="248" height="68" border="0" /></a></li> <li class="wp22"><a href="/" target="_blank"><img src="/images/tcishanghai2.gif" width="248" height="68" border="0" /></a></li> <li><span class="wp22"><a href="http://www.chemequ.cn" target="_blank"><img src="/images/chemequ2.gif" width="215" height="68" border="0" /></a></span></li> </div> <div id="hmian"> <div class="hleft" id="hleft"></div> <div class="hcentg1"> <div class="hcent_m1"> <div class="hcent_m1_1"><div><img src="/images/tbb4_j.gif" /></div> <div class="jb1"><img src="/images/tbb1.gif" align="absmiddle" /> <a href="/dict/zd.html">化工字典</a></div> </div> <form method=GET action="/dict/supplier.cgi" name=search onSubmit="iscn(this);return true;"> <div class="hcent_m1_2"> <div align="center" class="cp"><b class="f13">请输入关键字：</b> <input type=text name=terms size=29 /> <input type=submit value="搜索" name="submit"> <input type=hidden name=exact value=dict> <input type=hidden name=f value=plist> <input type="hidden" name="mark"> <br /> </div> <div class="cp"> <P style=" float:left"> <SPAN class=style1>* </SPAN><STRONG>CAS查询帮助：</STRONG><BR> 　　1、化工字典现有词汇量<a href="https://cheman.chemnet.com/dict/zd.html"><FONT color=#ff0033><I><B>1,800,000</B></I></FONT></a>条。<BR> 　　2、可输入化学品的中文名、英文名、别名或CAS登记号(美国化学文摘登记号)进行检索。 <br />　　例如，以下的关键词，都可搜到酒石酸：<br /> 　　输入中文名或中文别名进行搜索，如 <A class=blue href="https://cheman.chemnet.com/dict/dict--133-37-9--1.html" target=_self>DL-酒石酸</A> <A class=blue href="https://cheman.chemnet.com/dict/dict--133-37-9--1.html" target=_self>酒石酸</A> <A class=blue href="https://cheman.chemnet.com/dict/dict--133-37-9--1.html" target=_self>2,3-二羟基丁二酸</A><br /> 　　输入英文名或英文别名进行搜索，如 <A class=blue href="https://cheman.chemnet.com/dict/dict--133-37-9--1.html" target=_self>DL-Tartaric Acid</A> <A class=blue href="https://cheman.chemnet.com/dict/dict--133-37-9--1.html" target=_self>Tartaric Acid</A> <br /> 　　输入CAS登记号进行搜索，如 <A class=blue href="https://cheman.chemnet.com/dict/dict--133-37-9--1.html" target=_self>133-37-9</A> </P> <ul class="two_code"> <li><img src="/images/Catch-1.jpg" width="104"><br>（android版）</li> <li><img src="/images/Catch-2.jpg" width="104"><br>（iphone版）</li> </ul> </div> </div> </form> </div> <div class="ht1"></div> <div class="hcent_m1"> <div class="hcent_m1_1"><div><img src="/images/tbb4_j.gif" /></div> <div class="jb1"><img src="/images/tbb1.gif" align="absmiddle" /> <a href="/drug_dict/" title="药物化学大辞典">药物化学大辞典</a></div> </div> <div class="hcent_m1_2" style="padding-bottom:0px"><dl><form action="/drug_dict/search.cgi" onsubmit="return check_form(this)"><dt> <input type=text name=terms size=35 /> <label> <select name="c"> <option value="name">药品名</option> <option value="cas_no">CAS登记号</option> <option value="molecular_formula">分子式</option> <option value="cate1">品种类别</option> <option value="atc_code">ATC编码</option> </select> </label> <input type=submit value="搜索" name="submit"> <input type=hidden value="drug_dict" name="t"> <input type=hidden value="search" name="f"> </dt> </form> <dd class="cp"> <b>使用说明：</b> <br /> 1 本数据库收录了WHO公布的p-INN的1～101表、r-INN的1～62表以及各国药典收录的10000多种药物的基本信息。<br /> 2 您可在药物化学大辞典中搜索药品的名称、CAS登记号、品种类别及ATC编码等。<br /> 　注：药品名称包括药品的INN名、中译名、商标名、异名。<br /> </dd> <dd class="cp"> <p>品种类别举例如下：</p> <table width="98%" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="24" scope="col"><a href="/drug_dict/search.cgi?terms=%C9%F1%BE%AD%CF%B5%CD%B3&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">神经系统</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BA%F4%CE%FC%CF%B5%CD%B3&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">呼吸系统</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%D0%C4%D1%AA%B9%DC%CF%B5%CD%B3&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">心血管系统</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%CF%FB%BB%AF%CF%B5%CD%B3&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">消化系统</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%D6%D7%C1%F6%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗肿瘤药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%C9%FA%CB%D8&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗生素</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%B1%E4%CC%AC%B7%B4%D3%A6%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗变态反应药</a></td> </tr> <tr> <td height="24" scope="col"><a href="/drug_dict/search.cgi?terms=%D5%EF%B6%CF%D3%C3%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">诊断用药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%C3%DA%C4%F2%CF%B5%CD%B3&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">泌尿系统</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BA%CF%B3%C9%BF%B9%BE%FA%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">合成抗菌药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%B2%A1%B6%BE%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗病毒药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%D1%AA%D2%BA%CF%B5%CD%B3&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">血液系统</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%D1%D7%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗炎药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%B7%D6%D6%A7%B8%CB%BE%FA%D2%A9&c=cate1&t=drug_dict&f=search" class="blue">抗分支杆菌药</a></td> </tr> <tr> <td height="24" scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%D4%AD%B3%E6%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗原虫药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%D2%A9%D3%C3%B8%A8%C1%CF&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">药用辅料</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%CF%FB%D1%D7%D5%F2%CD%B4%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">消炎镇痛药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%C8%E4%B3%E6%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗蠕虫药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%C3%E2%D2%DF%B5%F7%BD%DA%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">免疫调节药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BD%E2%BE%B7%D2%A9&c=cate1&t=drug_dict&f=search" class="blue">解痉药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%CF%B5%CD%B3%D3%C3%BF%B9%B8%D0%C8%BE%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">系统用抗感染药</a></td> </tr> <tr> <td height="24" scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%B5%A8%BC%EE%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗胆碱药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BF%B9%D5%E6%BE%FA%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">抗真菌药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%CF%FB%B6%BE%B7%C0%B8%AF%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">消毒防腐药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%BD%B5%D1%AA%D6%AC%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">降血脂药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%D1%AA%B9%DC%C0%A9%D5%C5%D2%A9&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">血管扩张药</a></td> <td scope="col"><a href="/drug_dict/search.cgi?terms=%C6%A4%B7%F4&c=cate1&submit=%CB%D1%CB%F7&t=drug_dict&f=search" class="blue">皮肤</a></td> <td scope="col"> </td> </tr> </table> </dd> </dl> </div> </div> </div> </div> <div class="hleft" id="hleft2" style="display:none"> <div class="hleft_1" id="hleft_1" style="height:560px"> <div class="hleft_1fmu" onClick="menu_display(1)"><img src="/images/bq1f3.gif" align="absmiddle" id="img_left1" /> <a href="#" class="blue f14 ">化工基础数据库</a></div> <div class="hleft_1f" id="div_left1" style="display:"> <dl> <dd><span > <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_dict" href="/dict/zd.html" class="blue">化工字典</a></span> </dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_graphics" href="/graphics/graphics.html" class="blue">化学结构检索</a><img src="https://china.chemnet.com/images/new12.gif" /></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_elements" href="/elements/" class="blue" target="_blank">元素周期表</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_substituent" href="/substituent/" class="blue">化合物取代基数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_muti" href="/substituent/muti.html" class="blue">化合物母体数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_chem_analysis" href="/chem_analysis/" class="blue">化学物质分析方法数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_notices" href="/notices/" class="blue">中文MSDS库</a></dd> <dd> <span ><img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_enmsds" href="http://cheman.chemnet.com/en-msds.html" class="blue">英文MSDS库</a>  <font color="#FF6600">*</font></span> </dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_danger" href="/danger.html" class="blue">危险品名录库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_journal" href="/journal/" class="blue">免费化工期刊数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_hgsly" href="/hgsly/" class="blue">化工缩略语库</a></dd></dl></div> <div class="hleft_1fmu" onClick="menu_display(2)"><img src="/images/bq1f.gif" align="absmiddle" id="img_left2" /> <a href="#" class="blue f14 ">化工产品及用途数据库</a></div> <div class="hleft_1f" id="div_left2" style="display:none"> <dl> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_pesticides" href="/pesticides/" class="blue">农药通用名数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_pesticides2" href="/pesticides2/" class="blue">登记农药数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_pesticides2_usage" href="/pesticides2/usage.html" class="blue">农药用途数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_fema" href="/fema/" class="blue">香料库</a>  <font color="#FF6600">*</font></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_c_product" href="/c_product/" class="blue">颜料库</a>  <font color="#FF6600">*</font></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_inci" href="/inci/" class="blue">国际化妆品</a>  <font color="#FF6600">*</font></dd>  <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_chem_recipes" href="/chem_recipes/" class="blue">化学配方数据库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="" href="http://china.chemnet.com/member/Action.cgi?t=synthetic_drugs" class="blue">药物合成</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_drug" href="/drug/" class="blue">畅销药物查询系统</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_drug_dict" href="/drug_dict/" class="blue">药物化学大辞典</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_atc" href="/atc/" class="blue">药物ATC编码查询系统</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_fda" href="/fda/" class="blue">FDA药品批准信息</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_exclusivity" href="/fda/exclusivity.html" class="blue">FDA药品独占权信息</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_patent" href="/fda/patent.html" class="blue">FDA药品专利信息</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_dmf" href="/dmf/" class="blue">DMF提交信息库</a></dd> </dl></div> <div class="hleft_1fmu" onClick="menu_display(3)"><img src="/images/bq1f.gif" align="absmiddle" id="img_left3" /> <a href="#" class="blue f14 ">化工商业和贸易数据库</a></div> <div class="hleft_1f" id="div_left3" style="display:none"> <dl> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a href="http://china.chemnet.com/member/account/imp-exp2/" target="_blank" class="blue" id="left_a_zgmysj">中国贸易数据</a>  <font color="#FF6600">*</font></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a href="http://china.chemnet.com/member/account/imp-exp/stat-new/" target="_blank" class="blue" id="left_a_zgmyfxxt">中国贸易分析系统</a>  <font color="#FF6600">*</font></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a href="http://china.chemnet.com/member/Action.cgi?t=mjk_export" target="_blank" class="blue" id="left_a_bmmjk">北美买家库</a>  <font color="#FF6600">*</font></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a href="http://china.chemnet.com/member/Action.cgi?t=korea_mjk" target="_blank" class="blue" id="left_a_hgmjk">韩国买家库</a>  <font color="#FF6600">*</font></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_hgpjckzcfg" href="http://r.chemnet.com" class="blue" target="_blank" >化学品法规</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_hgpjckzcfg" href="/news/hgpjckzcfg/index0.html" class="blue">化学品进出口政策</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a href="/customs-tax/" id="left_a_customs-tax" class="blue">海关编码库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_index1" href="/index1.html" class="blue">外贸指南库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_tel" href="/tel/" class="blue">区号邮编库</a></dd> <dd> <img src="/images/bq1f2.gif" align="absmiddle" /> <a id="left_a_dlzh" href="/dlzh.html" class="blue">度量制式库</a></dd> </dl> </div>  </div> </div> <script language="javascript"> function show_left_class(f){ if ( f == "" || document.all("left_a_" + f) == null ) { document.getElementById("left_a_" + "dict").className = "blue fb"; } else { document.getElementById("left_a_" + f).className = "blue fb"; } //var parent_obj_id = document.getElementById("left_a_" + f).parentNode.parentNode.parentNode.id; sub_left = new Array(); sub_left[0] = new Array("1","dict","650"); sub_left[1] = new Array("1","graphics","510"); sub_left[2] = new Array("1","elements","100"); sub_left[3] = new Array("1","substituent","560"); sub_left[4] = new Array("1","muti","559"); sub_left[5] = new Array("2","chem_recipes","697"); sub_left[6] = new Array("1","chem_analysis","565"); sub_left[7] = new Array("1","notices","642"); sub_left[8] = new Array("1","enmsds","471"); sub_left[9] = new Array("1","danger","2000"); sub_left[10] = new Array("1","journal","572"); sub_left[11] = new Array("1","hgsly","578"); sub_left[12] = new Array("2","pesticides","461"); sub_left[13] = new Array("2","pesticides2","841"); sub_left[14] = new Array("2","pesticides2_usage","519"); sub_left[15] = new Array("2","fema","434"); sub_left[16] = new Array("2","c_product","530"); sub_left[17] = new Array("2","rlk","434"); sub_left[18] = new Array("2","drug","562"); sub_left[19] = new Array("2","atc","750"); sub_left[20] = new Array("3","hgpjckzcfg","776"); sub_left[21] = new Array("3","customs-tax","1421"); sub_left[22] = new Array("3","index1","457"); sub_left[23] = new Array("3","tel","457"); sub_left[24] = new Array("3","dlzh","784"); sub_left[25] = new Array("1","index","620"); sub_left[26] = new Array("2","fda","458"); sub_left[27] = new Array("2","exclusivity","500"); sub_left[28] = new Array("2","patent","540"); sub_left[29] = new Array("2","dmf","584"); sub_left[30] = new Array("2","drug_dict","537"); sub_left[31] = new Array("4","zyk","537"); sub_left[32] = new Array("4","glt","537"); sub_left[33] = new Array("2","inci","530"); sub_left[34] = new Array("2","xlk","530"); sub_left[35] = new Array("2","ylk","530"); for (i=0;i < 36; i++) { if ( sub_left[i][1] == f ) { document.getElementById("hleft_1").style.height = sub_left[i][2] + "px"; for (j=1;j < 4; j++) { if ( sub_left[i][0] == j ) { document.getElementById("div_left" + j).style.display = ""; document.getElementById("img_left" + j).src = "/images/bq1f3.gif"; } else { document.getElementById("div_left" + j).style.display = "none"; document.getElementById("img_left" + j).src = "/images/bq1f.gif"; } } } } } function menu_display(id){//显示隐藏 var t_id = document.getElementById("div_left" + id);//表格ID var i_id = document.getElementById("img_left" + id);//图片ID var on_img="/images/bq1f3.gif";//打开时图片 var off_img="/images/bq1f.gif";//隐藏时图片 for (j=1;j < 5; j++) { if ( id == j ) { if (t_id.style.display == "none") {//如果为隐藏状态 t_id.style.display="";//切换为显示状态 i_id.src=on_img;//换图 }else{//否则 t_id.style.display="none";//切换为隐藏状态 i_id.src=off_img; }//换图 } else { document.getElementById("div_left" + j).style.display = "none"; document.getElementById("img_left" + j).src = "/images/bq1f.gif"; } } } document.getElementById("hleft").innerHTML = document.getElementById("hleft2" ).innerHTML; </script> <script language="javascript"> show_left_class("index"); </script>  <div class="fs1"><b>其他库：</b><a id="left_a_hgpjckzcfg" href="https://r.chemnet.com" target="_blank" >化学品法规</a> <a href="/gjbz.html">国家标准</a> <a href="/dict/msds.html" >化学品安全数据库(msds)</a> <a href="/news/wmcs/index0.html">外贸常识</a> <a href="/news/htfb/index0.html">合同范本</a> <a href="/news/bgzn/index0.html">报关指南</a> <a href="/news/sjzn/index0.html">商检指南</a> <a href="https://cheman.chemnet.com/gjqh.html">国际区号</a> <a href="https://cheman.chemnet.com/dqdm.html">国家代码</a></div>  <div id="footer"> <div class="f02"> <span><a href="https://mail.chemnet.com/" target="_blank" class="blue">ChemNet邮箱</a> - <a href="https://china.chemnet.com/search_hot/" target="_blank" class="blue">热门关键字</a> - <a href="https://china.chemnet.com/help/productguide.html" target="_blank" class="blue">产品</a> / <a href="https://cheman.chemnet.com/dict/zd.html" class="blue">CAS</a> - <a href="https://r.chemnet.com/" target="_blank" class="blue">化学品法规</a> - <a href="http://corp.netsun.com/contact.html" target="_blank" class="blue">联系我们</a> - <a href="https://china.chemnet.com/help/link.html" target="_blank" class="blue">友情链接</a> - <a href="https://china.chemnet.com/help/declare.htm" target="_blank" class="blue">法律声明</a></span> ©1997-<script>var date=new Date();document.write(date.getFullYear());</script> <a href="https://china.chemnet.com/" class="blue">化工网</a> 版权所有服务：0571-88228209</div> </div> </body> </html> <script> var mopencj=false; //cj start function opencj(){ if (mopencj){ document.getElementById('cj').className="toocle1"; }else{ document.getElementById('cj').className="toocle2"; } mopencj=!mopencj; } //cj end </script> <script type="text/javascript"> var overTimer=null; var overTimev=200; function moveOverHref(tabNumber) { if((overTimer!=null)) window.clearTimeout(overTimer); overTimer=window.setTimeout(function(){menu_change(tabNumber)},overTimev); } function moveOutHref(ev) { if((overTimer!=null)) window.clearTimeout(overTimer); } function menu_change(tabNumber){ for (i = 1; i <=4; i++) { document.getElementById('tdsub_' + i).style.display = 'none'; } document.getElementById('tdsub_' + tabNumber).style.display = ''; /* for (j=1;j<=4;j++) { if ( tabNumber==j ) { if ( j==1 ) { td1.className="td_show3"; } if ( j==2 ) { td2.className="td_show3"; } if ( j==3 ) { td3.className="td_show3"; } if ( j==4 ) { td4.className="td_show3"; } } else { if ( j==1 ) { td1.className="td_hide"; } if ( j==2 ) { td2.className="td_hide"; } if ( j==3 ) { td3.className="td_hide"; } if ( j==4 ) { td4.className="td_hide"; } } } */ } </script>