曲伏前列素杂质标准品

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  • COTO标准品|艾曲波帕杂质研究

    艾曲波帕杂质是一种化学物质,它是艾曲波帕的同分异构体或相关化合物。艾曲波帕是一种血小板生成素受体激动剂,用于治疗慢性免疫性血小板减少症。COTO标准品是一种高纯度的标准物质,用于测定艾曲波帕及其杂质的纯度、含量和化学性质。通过与COTO标准品进行对比和分析,可以确定艾曲波帕及其杂质的结构、组成和含量,从而保证艾曲波帕的质量和安全性。在药物研发和生产过程中,COTO标准品的使用非常重要。它可以提供可靠的参照物,用于质量控制、药物分析和化学计量学研究。通过使用COTO标准品,可以确保艾曲波帕及其杂质的准确性和可靠性,为药物的安全性和有效性提供保障。总的来说,COTO标准品在艾曲波帕杂质的研究和控制中具有重要作用。通过使用COTO标准品,可以更好地了解艾曲波帕及其杂质的性质和含量,从而确保药物的安全和有效性。同时,也需要加强生产过程中的管理和监督,加强质量标准和监管措施的执行力度,确保药物质量和安全。

  • CATO独家 | 头孢呋辛杂质标准品

    CATO独家 | 头孢呋辛杂质标准品

    头孢呋辛是一种广泛使用的抗生素,主要用于治疗由敏感细菌引起的各种感染。在生产、储存和使用头孢呋辛的过程中,可能会产生一些杂质。这些杂质的存在可能会影响头孢呋辛的纯度和疗效,因此了解和控制这些杂质对于确保药物的安全性和有效性至关重要。头孢呋辛的杂质有多种,其中一些具有特定的CAS号、化学式和分子量。例如,头孢呋辛杂质33(Cefuroxime Impurity 33)的CAS号为929531-94-2,分子式为C16H16N4O9S,分子量为440.38。此外,还有其他一些头孢呋辛杂质,如头孢呋辛杂质A、B、C、D、E、F、G、H等。 CATO标准品提供的头孢呋辛全套的杂质,这些杂质对于药物的纯度和稳定性研究至关重要,也是药物研发过程中不可或缺的一部分。[img=,602,511]https://ng1.17img.cn/bbsfiles/images/2024/02/202402192104451830_7644_6381607_3.png!w602x511.jpg[/img] 广州佳途科技股份有限公司深知药物研发与质量控制的重要性,CATO标准品厂家,提供头孢呋辛全套的杂质,为客户提供更加精准、可靠的分析标准品,助力药物研发事业的快速发展,以满足客户在药物研发和质量控制方面的需求。[list][*]原创检测区[/list]◇头孢呋辛杂质头孢呋辛是一种广泛使用的抗生素,主要用于治疗由敏感细菌引起的各种感染。在生产、储存和使用头孢呋辛的过程中,可能会产生一些杂质。这些杂质的存在可能会影响头孢呋辛的纯度和疗效,因此了解和控制这些杂质对于确保药物的安全性和有效性至关重要。头孢呋辛的杂质有多种,其中一些具有特定的CAS号、化学式和分子量。例如,头孢呋辛杂质33(Cefuroxime Impurity 33)的CAS号为929531-94-2,分子式为C16H16N4O9S,分子量为440.38。此外,还有其他一些头孢呋辛杂质,如头孢呋辛杂质A、B、C、D、E、F、G、H等。CATO标准品提供的头孢呋辛全套的杂质,这些杂质对于药物的纯度和稳定性研究至关重要,也是药物研发过程中不可或缺的一部分。广州佳途科技股份有限公司深知药物研发与质量控制的重要性,CATO标准品厂家,提供头孢呋辛全套的杂质,为客户提供更加精准、可靠的分析标准品,助力药物研发事业的快速发展,以满足客户在药物研发和质量控制方面的需求。

  • COTO标准品|诺福韦杂质研究

    替诺福韦杂质是一种化学物质,它是替诺福韦的同分异构体或相关化合物。替诺福韦是一种核苷酸逆转录酶抑制剂,用于治疗HIV和乙型肝炎。COTO标准品是一种高纯度的标准物质,用于测定替诺福韦及其杂质的纯度、含量和化学性质。通过与COTO标准品进行对比和分析,可以确定替诺福韦及其杂质的结构、组成和含量,从而保证替诺福韦的质量和安全性。在药物研发和生产过程中,COTO标准品的使用非常重要。它可以提供可靠的参照物,用于质量控制、药物分析和化学计量学研究。通过使用COTO标准品,可以确保替诺福韦及其杂质的准确性和可靠性,为药物的安全性和有效性提供保障。总的来说,COTO标准品在替诺福韦杂质的研究和控制中具有重要作用。通过使用COTO标准品,可以更好地了解替诺福韦及其杂质的性质和含量,从而确保药物的安全和有效性。同时,也需要加强生产过程中的管理和监督,加强质量标准和监管措施的执行力度,确保药物质量和安全。

曲伏前列素杂质标准品相关的方案

曲伏前列素杂质标准品相关的资讯

  • 美国药典(USP)公布其新的元素杂质标准
    日前,美国药典(USP)公布了其新的元素杂质标准,并公开征求意见,新的标准将于2010年4月15日执行。  USP计划将在2010年执行新修订的3个专论,即关于元素杂质限度、检测方法和饮食补充剂金属残留限度专论。这些新标准已经在USP论坛和标准研讨会上进行了讨论,修订的原因和标准的适用性已经药典委员会专家一致通过。  这些修订更新了药品和饮食补充剂中元素杂质检测方法,要求采用现代分析技术进行元素检测。设定了金属杂质限度,这些金属杂质包括但不限于已知明显毒性的铅、汞、砷和镉,这4个元素的限度值分别是1.0ppm、1.5ppm、1.5ppm和0.5ppm。
  • LGC:标准品的定义、分类、正确使用及杂质标准品的合规标定
    p  药物杂质是活性药物成分或药物制剂中不希望存在的化学成分。药品在临床使用中产生的不良反应除了与药品本身的药理活性有关外,有时与药品中存在的杂质也有很大关系。规范地进行杂质的研究,并将其控制在一个安全、合理的限度范围之内,将直接关系到上市药品的质量及安全性。/pp  因此,杂质的研究是药品研发的一项重要内容,它包括选择合适的分析方法,准确地分辨与测定杂质的含量并综合药学、毒理及临床研究的结果确定杂质的合理限度,这一研究贯穿于药品研发的整个过程。/pp  2017年7月19日,仪器信息网将组织举办“化学药物杂质研究及检测技术”网络主题研讨会, 会议中,LGC医药标准品资深专员杨学林将介绍《标准品的定义、分类、正确使用及杂质标准品的合规标定》。/pp strong 报告摘要/strong/pp 概括介绍2015版药典中对标准品的定义及杂质标准品的新要求;深入解析标准品的定义、特性及生产体系;着重对医药产品生产及研发过程中使用的一级标准品、二级标准品、药典标准品及杂质标准品进行介绍,并指导如何正确使用;由于一致性评价的深入开展及国家对杂质研究的逐渐重视,对于一些合成工艺复杂,购买困难的杂质如何合规的标定同样是在工作中急需解决的问题。对于以上提到的热点问题,我们会在本次报告中一一为您解答。/pp strong 报告人简介/strong/pp 杨学林,LGC医药标准品资深专员,主要负责医药标准品的市场推广及售前售后的技术支持工作,曾受邀2015版《中国药典》进行关于标准品知识方面的讲座,同时在国内多家百强企业如扬子江、罗欣药业、鲁南制药等做过关于标准品使用方面的专场介绍。2009年获得沈阳药科大学药物化学博士学位,在BMCL、LDDD等学术期刊以第一作者发表多篇研究论文及多篇授权专利;曾参与863、973、国家自然科学基金等重点项目的研究工作,拥有5年以上药物研发相关经验。曾先后就职于Bioduro、神威药业研究院,担任组长、室主任等职务。/pp  欲了解本次会议的详细日程请点击:/pp  a title="" href="http://www.instrument.com.cn/webinar/meetings/ChemicalDrug/" target="_self"http://www.instrument.com.cn/webinar/meetings/ChemicalDrug//a/pp style="text-align: center "a title="" href="http://www.instrument.com.cn/webinar/meetings/ChemicalDrug/" target="_self"img title="点击参会.gif" src="http://img1.17img.cn/17img/images/201707/noimg/f3ddf4d4-6b54-41b5-a520-8d1a1ef40f63.jpg"//a/p
  • 药典新标准公示|复方氨基酸类注射液中铝元素杂质测定指导原则
    铝元素如果通过注射液进入静脉,会不经过胃肠道消化吸收过程直接进入血液,对人体有一定的毒性。美国药典和日本药方局均对肠外营养制剂中的铝含量进行限度控制。目前,《中国药典》还未收载与氨基酸类注射液中铝元素杂质测定方法相关的通用技术要求。2023年11月14日,国家药典委将拟制定的复方氨基酸类注射液中铝元素杂质测定指导原则公示征求社会各界意见(详见附件),原文链接点击:原文链接。公示稿中,辽宁省药品检验检测院分别采用电感耦合等离子体质谱法、电感耦合等离子体原子发射光谱法、高效液相色谱法、原子吸收分光光度法等方法对复方氨基酸类注射液中杂质铝元素的含量进行测定对比,最终形成3个通用方法,即ICP-MS法、ICP-OES法、HPLC法。指导原则对三个方法进行详细描述,每个方法均包含标准曲线法和限度检查法。ICP-MS法、ICP-OES法均为常见的金属元素测定方法,本文详细介绍HPLC法测定复方氨基酸类注射液中铝元素杂质含量。色谱条件:根据复方氨基酸类注射液处方组成选择适宜的固定相和流动相。固定相推荐使用苯乙基键合硅胶为填充剂。流动相推荐使用8-羟基喹啉乙腈溶液-醋酸铵溶液,柱温30℃;流速0.1mL/min;进样体积100µL;以荧光检测器(激发波长为380nm,发射波长为520nm)进行测定。分析方法:本法系依据复方氨基酸类注射液中游离态铝和 8-羟基喹啉形成铝离子荧光络合物,采用配有荧光检测器的高效液相色谱仪测定该荧光络合物的含量,一般可采用标准曲线法或限度检查法。衍生化方法:取空白溶液、标准品溶液、供试品溶液各 4.5mL,分别加入盐酸 0.5mL,并在 50℃水浴中水解30min 后,精密量取水解液 0.1mL,精密加入衍生试剂 0.9mL,混匀。衍生试剂:取流动相 30mL,加入 50% 氢氧化钠溶液 180μL,混匀即得,该试剂需临用前新制。本标准的制定将更好地保障我国人民群众用药安全,并使《中国药典》通用技术要求与国际标准接轨。更多药典相关新闻可点击下方专栏关注。附件:复方氨基酸类注射液中铝元素杂质测定指导原则起草说明公示稿.pdf复方氨基酸类注射液中铝元素杂质测定指导原则公示稿.pdf

曲伏前列素杂质标准品相关的仪器

  • 乳品杂质度过滤仪 400-860-5168转4275
    乳品杂质度过滤仪配置:主机一台,乳品铝皿盒二个,杂质度过滤板一盒,杂质度对照板一张,杂质度标准板使用说明一份,杂质度过滤机使用说明书一份,实验规范一份,合格证一张) 杂质度过滤机选配:乳品专用电子温度计,乳稠计 乳品杂质度过滤仪特点: 杂质度过滤机是专用产品,使用方便、可靠。过滤后奶液供生产继续使用,降低成本;机器噪音低,过滤效果好。HM-ZZ杂质度过滤机杂质度过滤机是山东恒美电子科技有限公司按照国家标准《乳、乳制品的检验方法》中关于杂质度的测定而专门制造。此仪器是在一代杂质过滤机,二代杂质过滤机的基础上依据研发生产的近三代杂质度过滤机。杂质度过滤机避免了机械式过滤机皮带维护麻烦,耗材贵的麻烦。原有基础上改进电机,并按新标准进行改动,更好的满足了要求,更耐用,免维护,并配。解决了1代产品恼人的噪音使用更加持久耐用,并配配了全部使用配件,更全,更方便使用。一接好电源插头,打开电源开关。电源开关上的指示灯亮。二将杂质度过滤棉板置于漏斗底座的过滤网上。将出水管置于下水道。三将预过滤之样品倒入漏斗内,按动启动按钮。四取下过滤棉板与标准板对照,即可得出该样品的杂质度含量。基本参数电源------------------------------------------------------------220V/50Hz输出功率-------------------------------------------------------------50W流量---------------------------------------------------------------2.5L/nt容量---------------------------------------------------------------500ml重量---------------------------------------------------------------约5Kg外型尺寸------------------------------------------300x200x100mm过滤板直径------------------------------------------32mm烘干皿内径------------------------------------------32mm标准对照版采用国家乳制品监督检验中心研制的杂质度对照版。
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  • 来因科技杂质度过滤机 乳品杂质度过滤仪特点:IN-ZZ杂质度过滤机是专用产品,使用方便、可靠。过滤后奶液供生产继续使用,降低成本;机器噪音低,过滤效果好。IN-ZZ杂质度过滤机是公司按照国家标准GB/T5313.1—5413.32《乳、乳制品的检验方法》中关于杂质度的测定而专门制造。此仪器是在di一代杂质过滤机ZA-GB1(ZA-GB1依据GB5413.30-1985),di二代杂质过滤机ZA-GB2(ZA-GB2依据GB5413.30-1997)的基础上依据GB5413.30-2016研发生产的zui近第三代杂质度过滤机。HL-GB2杂质度过滤机避免了机械式ZA-GB1过滤机皮带维护麻烦,耗材贵的麻烦。也在ZA-GB2基础上改进电机,并按新标准GB5413.30-2016进行改动,更好的满足了GB5413.30-2016要求,更耐用,免维护,并配。杜绝了1代产品恼人的噪音使用更加持久耐用,并配配了全部使用配件,更全,更方便使用。一 接好电源插头,打开电源开关。电源开关上的指示灯亮。二 将杂质度过滤棉板置于漏斗底座的过滤网上。将出水管置于下水道。三 将预过滤之样品倒入漏斗内,按动启动按钮。四 取下过滤棉板与标准板对照,即可得出该样品的杂质度含量。来因科技杂质度过滤机 乳品杂质度过滤仪基本参数:电源------------------------------------------------------------220V/50Hz输出功率-------------------------------------------------------------50W流量---------------------------------------------------------------2.5L/nt容量---------------------------------------------------------------500ml重量---------------------------------------------------------------约5Kg外型尺寸------------------------------------------300 x 200 x 100mm过滤板直径------------------------------------------32mm烘干皿内径------------------------------------------32mm标准对照版采用国家乳制品监督检验中心研制的杂质度对照版,国家版本编号 GB5413.30-2016。杂质度过滤机配置:主机一台,乳品铝皿盒二个,杂质度过滤板一盒,杂质度标准板一张,杂质度标准板使用说明一份,杂质度过滤机使用说明书一份,实验规范一份,合格证一张)选配:乳品专用电子温度计,乳稠计
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  • 乳品杂质度过滤机 400-860-5168转4275
    乳品杂质度过滤机配置:主机一台,乳品铝皿盒二个,杂质度过滤板一盒,杂质度对照板一张,杂质度标准板使用说明一份,杂质度过滤机使用说明书一份,实验规范一份,合格证一张) 杂质度过滤机选配:乳品专用电子温度计,乳稠计 乳品杂质度过滤机特点: 杂质度过滤机是专用产品,使用方便、可靠。过滤后奶液供生产继续使用,降低成本;机器噪音低,过滤效果好。HM-ZZ杂质度过滤机杂质度过滤机是山东恒美电子科技有限公司按照国家标准《乳、乳制品的检验方法》中关于杂质度的测定而专门制造。此仪器是在一代杂质过滤机,二代杂质过滤机的基础上依据研发生产的近三代杂质度过滤机。杂质度过滤机避免了机械式过滤机皮带维护麻烦,耗材贵的麻烦。原有基础上改进电机,并按新标准进行改动,更好的满足了要求,更耐用,免维护,并配。解决了1代产品恼人的噪音使用更加持久耐用,并配配了全部使用配件,更全,更方便使用。一接好电源插头,打开电源开关。电源开关上的指示灯亮。二将杂质度过滤棉板置于漏斗底座的过滤网上。将出水管置于下水道。三将预过滤之样品倒入漏斗内,按动启动按钮。四取下过滤棉板与标准板对照,即可得出该样品的杂质度含量。基本参数电源------------------------------------------------------------220V/50Hz输出功率-------------------------------------------------------------50W流量---------------------------------------------------------------2.5L/nt容量---------------------------------------------------------------500ml重量---------------------------------------------------------------约5Kg外型尺寸------------------------------------------300x200x100mm过滤板直径------------------------------------------32mm烘干皿内径------------------------------------------32mm标准对照版采用国家乳制品监督检验中心研制的杂质度对照版。
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曲伏前列素杂质标准品相关的耗材

  • 杂质标准板
    gb5413.30-2016 2016年新版 乳品杂质度标准板共两张分为,乳粉乳杂质度标准板 液体乳杂质度标准板牛乳中杂质标准板,杂质度对比对照板,乳制品标准板,杂质度标准板杂质度对比对照板,乳制品标准板,杂质度标准板 所是集研制、生产和销售乳品检测专用仪器、专用玻璃仪器、专用试剂和专用品于一体的科研企业。l 从事乳、乳制品专业检验技术工作始于1983 年。 1984 年参与制定、整理我国 首部 《乳、乳制品及其检验方法》国家标准。 1997年改版本公司是其他专用仪器仪表的专业供应商,不仅常用型号的其他专用仪器仪表备有现货,而且还能根据客户要求定制其他专用仪器仪表。本公司销售灵活,除了杂质度对比对照板,乳制品标准板,杂质度标准板,公司还供应仪器仪表行业行业的其他其他专用仪器仪表产品,欢迎洽谈相关仪器有:毛氏法:毛氏抽脂瓶,毛氏离心机,毛氏水浴锅,毛氏摇混器巴布科克法:巴布科克乳脂瓶罗兹哥特里法:罗兹哥特里抽脂瓶盖勃法:盖勃乳脂肪离心机,盖勃乳脂计,11ml和10.75ml单标牛乳吸管,10ml硫酸量取器,1ml戌异醇自动量取器乳品杂质度的测定:HL-GB2乳品杂质度过滤机,杂质度过滤板,杂质度标准板,杂质度标准板说明书,带带铝盒等乳稠度的测定:HL-15A乳稠计,乳品电子温度计乳品硝酸盐与亚硝酸盐的检测:镉柱还原装置,镀铜镉粒乳品溶解度的检测:不溶度指数搅拌器,指数搅拌杯,柱底离心管,不溶度指数离心机牛乳中杂质标准板,杂质度对比对照板,乳制品标准板,杂质度标准板杂质度对比对照板,乳制品标准板,杂质度标准板 所是集研制、生产和销售乳品检测专用仪器、专用玻璃仪器、专用试剂和专用品于一体的科研企业。l从事乳、乳制品专业检验技术工作始于1983年。1984年参与制定、整理我国 首部 《乳、乳制品及其检验方法》国家标准。1997年改版本公司是其他专用仪器仪表的专业供应商,不仅常用型号的其他专用仪器仪表备有现货,而且还能根据客户要求定制其他专用仪器仪表。本公司销售灵活,除了杂质度对比对照板,乳制品标准板,杂质度标准板,公司还供应仪器仪表行业行业的其他其他专用仪器仪表产品,欢迎洽谈
  • 加拿大TRC杂质标准品1
    加拿大TRC杂质标准品Cat. Number: Chemical Name: CAS Number: A105005 Abacavir Carboxylate 384380-52-3 A105010 Abacavir 5&rsquo -&beta -D-Glucuronide 384329-76-4 A105020 Abacavir 5&rsquo -Phosphate 136470-77-4 A141500 4-Acetamidoantipyrine 83-15-8 A158500 4-Acetamidophenyl &beta -D-Glucuronide, Sodium Salt 120595-80-4 A161215 Acetaminophen Acetate (Acetaminophen Impurity) 2623-33-8 A161223 Acetaminophen Glutathione Disodium Salt 64889-81-2 A161225 4-Acetaminophen Sulfate Discontinued See: A161230 10066-90-7 A161230 4-Acetaminophen Sulfate Potassium Salt 32113-41-0 A163875 Acetone Phthalazin-1-yl-hydrazone 56173-18-3 A164700 4-Acetoxy Midazolam 59468-84-7 A165350 4-[[4-(Acetyloxy)-3,5-diiodophenyl]methylene]-2-methyl-5(4H)-oxazolone (E/Z Mixture) 93087-37-7 A167800 11-Acetoxy-&Delta 9-tetrahydro Cannabinol A167995 N2-Acetyl-9-(2-acetoxyethoxymethyl)guanine (Acyclovir Impurity) 75128-73-3 A168035 N-Acetyl-S-propyl-L-cysteine 14402-54-1 A168045 N-Acetyl-S-(2-carboxyethyl)-L-cysteine Bis(dicyclohexylamine) Salt A168050 N-Acetyl Adamantamine 880-52-4 A168070 N-Acetyl-&beta -alanine 3025-95-4 A168125 5-Acetylamino-6-amino-3-methyluracil Hydrate A168210 5-Acetylamino-6-formylamino-3-methyluracil 85438-96-6 A168260 (R)-N-Acetyl-6-(4-aminophenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone 220246-81-1 A168300 N-Acetyl Amonafide 69409-02-5 A168320 N-Acetyl Mesalazine 51-59-2 A168428 N-Acetyl-S-benzyl-L-cysteine 19542-77-9 A168435 N-Acetyl Dapsone 565-20-8 A168935 2-Amino-4,5,6,7,8-pentahydrothiazolo[5,4-d]azepine 86029-68-7 A168936 2-Amino-4,5,6,7,8-pentahydrothiazolo[5,4-d]azepine Dihydrochloride 36085-64-0 A170000 N-Acetyl-4-benzoquinone Imine 50700-49-7 A172005 N-Acetyl-S-(3-carboxy-2-propyl)-L-cysteine Disodium Salt (Mixture of Diastereomers) 1041285-62-4 A172010 N-Acetyl-S-(2-carboxypropyl)-L-cysteine Dicyclohexylammonium Salt (Mixture of Diastereomers) 910898-81-6 A172020 N-Acetyl-S-(2-carboxypropyl)-L-cysteine Ethyl Ester (Mixture of Diastereomers) A172080 N-Acetyl-S-(1-cyano-2-hydroxyethyl)-L-cysteine Dicyclohexylamine Salt (Mixture of Diastereomers) A172100 3-(N-Acetyl-L-cystein-S-yl) Acetaminophen Sodium Salt 52372-86-8 A172110 3-(N-Acetyl-L-cystein-S-yl) Acetaminophen Methyl Ester A173580 N-Acetyl-S-(2,2-dichloroethenyl)-L-cysteine 126543-43-9 A173585 N-Acetyl-S-(1,2-dichloroethenyl)-L-cysteine 2148-31-4 A173710 N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine (mixture of diastereomers) 144889-50-9 A175900 N-Acetyl Fluvoxamine Acid 88699-87-0 A176100 N-&gamma -Acetyl-N-2-formyl-5-methoxykynurenamine 52450-38-1 A178890 21-O-Acetyl 6&beta -Hydroxy Dexamethasone 72559-77-4 A178910 N-Acetyl-S-(2-hydroxyethyl)-L-cysteine Sodium Salt Discontinued See: A178911 84608-41-3 A178911 N-Acetyl-S-(2-hydroxyethyl)-L-cysteine Dicyclohexylammonium Salt
  • 加拿大TRC杂质标准品4
    D229685 Dehydro Lovastatin 109273-98-5 D229780 Dehydro Nicardipine Hydrochloride 59875-58-0 D229800 Dehydro Nifedipine 67035-22-7 D229900 Dehydro Nisoldipine 103026-83-1 D229950 Dehydro Norketamine 57683-62-2 D230200 3-Dehydro Reserpine Chloride 107052-60-8 D230545 Dehydro Simvastatin 210980-68-0 D230550 2,3-Dehydro Simvastatin Acid Sodium Salt 393825-04-2 D230560 Dehydro Tizanidine 125292-34-4 D230580 Dehydro Venlafaxine 93413-57-1 D230690 Delphinidin 3-&beta -D-Glucoside 6906-38-3 D230810 Demethyl Benzydamine Hydrochloride 39860-97-4 D230835 Demethyl Chlorpromazine Hydrochloride 3953-65-9 D230845 rac Demethyl Citalopram Discontinued See: D230846 144025-14-9 D230846 rac Desmethyl Citalopram Hydrochloride 144025-14-9 D230880 2-Demethyl Colchicine 102491-80-5 D230890 (S)-N-Demethyl Dapoxetine 147199-39-1 D230900 4-Demethyl Daunomycinone 52744-22-6 D230930 N-Demethyl Erythromycin A 992-62-1 D230950 N-Demethyl Mifepristone 104004-96-8 D231150 4'-Demethyl Homoharringtonine 98599-84-9 D231165 3-Demethyl Mescaline 16046-07-4 D231170 N-Demethyl Ondansetron 99614-14-9 D231190 3&rsquo -Demethyl Papaverine 18694-10-5 D231195 4&rsquo -Demethyl Papaverine 18813-60-0 D231200 6-Demethyl Papaverine 18813-63-3 D231210 6-Demethyl Papaverine &beta -D-Glucuronide D231240 7-O-Demethyl Rapamycin 151519-50-5 D231250 N-Demethyl Rifampin 13292-45-0 D231330 3-Demethyl Thiocolchicine 87424-25-7 D231335 3-Demethyl Thiocolchicine 3-O-&beta -D-Glucuronide 819802-34-1 D231340 N-Demethyl Trimebutine Hydrochloride 294882-33-0 D231350 N-Demethyl Trimipramine 2293-21-2 D231375 Demeton-S-methyl Sulfone 17040-19-6 D231380 Demeton-S-methyl Sulfoxide 301-12-2 D231385 Demeton-S Sulfone 2496-91-5 D231390 Demeton-S Sulfoxide 2496-92-6 D232110 Deoxy Arteether 112297-79-7 D232605 21-Deoxy Cortisol 641-77-0 D232620 7-Deoxy Daunorubicinol Aglycone (Mixture of Diastereomers) 210837-87-9 D232625 Deoxy Donepezil Hydrochloride 1034439-57-0 D232898 7-Deoxy Doxorubicinol Aglycone (Mixture of Diastereomers) 85% 187105-52-8 D232910 7-Deoxy Doxorubicin Aglycone (approxmately 75%) 38554-25-5 D282180 N-Desmethyl Paroxol 125224-43-3 D288300 Deoxy Venlafaxine D288400 Desacetyl Acetaminophen Glutathione 129762-76-1 D288435 4-Desacetyl 3-Deoxy Vincristine 99435-53-7 D288580 (E)-Deschlorophenyl Fluoxastrobin 852429-78-8 D288660 N-Depropyl Propafenone Oxalate Salt 86383-21-3 D288680 7,8-Desacetyl-9,10-dehydro Daunorubicinone (Doxorubicin Impurity) D288685 Desacetyl Diltiazem 42399-40-6 D288695 21-Desacetyl Deflazacort 13649-57-5 D288698 O-Desacetyl-N-desmethyl Diltiazem 81353-09-5 D288700 17-Desacetyl Norgestimate 53016-31-2 D288705 17-Desacetyl Rocuronium 119302-86-2 D288715 3-Desacetyl Vecuronium 73319-13-8 D288720 25-Desacetyl Rifapentin 79039-56-8 D288726 25-Desacetyl Rifampicin 16783-99-6 D288730 Desethyl Amiodarone Discontinued See: D288731 83409-32-9 D288731 Desethyl Amiodarone Hydrochloride 96027-74-6 D288735 Desethyl Chloroquine 1476-52-4 D288740 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine Dihydrochloride 111974-74-4 D288741 N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine Discontinued See: D288740 5747-48-8 D288750 2-Desethoxy-2-hydroxy-1H-1-Ethyl Candesartan Cilexetil 1185255-99-5 D288752 2-Desethoxy-2-hydroxy-1H-1-Ethyl Candesartan Cilexetil-d5 D288755 2-Desethoxy-2-hydroxy-2H-2-ethyl Candesartan Cilexetil 1185256-03-4 D288765 Desacetyl Triflusal 328-90-5 D288770 Desalkyl Ebastine 58258-01-8 D288775 Desbenzyl Donepezil 120014-30-4 D288780 Desbutyl Bumetanide 28328-54-3 D288785 N-Desbutyl Bupivacaine 15883-20-2 D288810 Des[1-(4,4-difluorocyclohexanecarboxamido)-1-phenylpropyl] Maraviroc 423165-07-5 D288815 Des[1-(4,4-difluorocyclohexanecarboxamido)-1-phenylpropyl]-3-hydroxymethyl Maraviroc 856703-83-8 D288825 N-Desethyl Amodiaquine (Discontinued see D288826) 79352-78-6 D288826 N-Desethyl Amodiaquine Hydrochloride D288830 Descarbamoyl Cefuroxime 56271-94-4 D288840 &alpha -Descyclohexyl-&alpha -phenyl Oxybutynin 14943-53-4 D288845 N-Deschlorobenzoyl Indomethacin 2882-15-7 D288850 Des(5-chloro-2-carboxythienyl) Rivaroxaban 446292-10-0 D288860 Desethylcarbamoyl Cabergoline 85329-86-8 D288870 5-Desethyl 5-Carboxy Pioglitazone 186751-40-6 D288920 N-Desethyl 3-Bromo Lidocaine D288935 6-Des(diethanolamino)-6-chloro Dipyridamole 54093-92-4 D288950 Des[5-(2-dimethylamino)ethyl] Diltiazem 87447-47-0 D289000 Desethanol Dipyridamole D289100 Desethyl-desisopropyl Atrazine 3397-62-4 D289150 Desethylene Ciprofloxacin, Hydrochloride 528851-31-2 D289300 Desethylene Gatifloxacin 172426-87-8 D289400 N-Desethyl Milnacipran 105310-07-4 D289465 (R)-N-Desethyl Oxybutynin Hydrochloride 181647-12-1 D289470 (S)-N-Desethyl Oxybutynin Hydrochloride 181647-14-3 D289475 rac Desethyl Oxybutynin Hydrochloride 81039-77-2 D289500 N-Desethyl-N-propyl Oxybutynin D289650 N-Desethyl Sunitinib 356068-97-8 D289830 2&rsquo &rsquo -Desethyl-2&rsquo &rsquo -vinyl Simvastatin D289950 N-Desethyl Vardenafil 448184-46-1 D289955 Desfluoro Bicalutamide 90357-05-4 D289960 Des-4-fluorobenzyl Mosapride 152013-26-8 D289965 Desfluoro Citalopram Oxalate D289970 6-Desfluoro-6-hydroxy Risperidone 106266-11-9 D289975 Desfluoro Fluvoxamine D289980 Desfuroyl Ceftiofur 120882-22-6 D289985 6-Desfluoro-6-Methoxy Risperidone D289990 Deshydroxy Bicalutamide 906008-94-4 D290000 N-Deshydroxyethyl Dasatinib 910297-51-7 D290015 5-Deshydroxymethyl-5-chloro Losartan (Losartan Impurity K) D290020 Deshydroxymethyl Losartan Trifluoroacetate Salt D290030 5-Deshydroxy-5-formyl N,N&rsquo -Ditrityl Losartan &alpha -Butyl-losartan Aldehyde Adduct D290125 Des(isopropoxyethyl) Bisoprolol 62572-93-4 D290130 rac Des(isopropoxyethyl)-2-isopropoxyethoxymethyl Bisoprolol D290150 Desisopropyl Atrazine 1007-28-9 D290160 Desisopropyl Disopyramide Oxalate D290170 2,3-Desisopropylidene Topiramate 851957-35-2 D290175 4,5-Desisopropylidene Topiramate 106881-41-8 D290200 N-Desisopropyl Pentisomide 106132-93-8 D290250 Desloratadine 100643-71-8 D290260 Desloratadine N-Oxide 169253-26-3 D290390 (S)-4-Desmethoxy-4-chloro Omeprazole 863029-89-4 D290395 (RS)-4-Desmethoxy-4-chloro Omeprazole D290400 4-Desmethoxy-4-chloro Omeprazole Sulfide 220757-74-4 D290425 Desmethoxy Fluvoxamine D290500 rac 4-Desmethoxy-4-nitro Omeprazole 317807-10-6 D290510 4-Desmethoxy-4-nitro Omeprazole Sulfide 142885-91-4 D290515 4-Desmethoxy-4-nitro Omeprazole Sulfone D290560 4-Desmethoxy Omeprazole 110374-16-8 D290595 4-Desmethoxypropoxyl-4-chloro Rabeprazole Sulfone D290600 4-Desmethoxypropoxyl-4-chloro Rabeprazole 168167-42-8 D290605 4-Desmethoxypropoxyl-4-chloro Rabeprazole Sulfide 103312-62-5 D290610 4-Desmethoxypropoxyl-4-methoxy Rabeprazole 102804-77-3 D290620 4-Desmethoxypropoxyl-4-methylthio Rabeprazole 99487-86-2 D290670 Desmethoxy Yangonin 15345-89-8 D290725 N'-Desmethyl Amonafide 114991-16-1 D290730 &alpha -Desmethyl Anastrozole D290740 N-Desmethyl Asenapine Hydrochloride 1170701-78-6 D290750 O-Desmethyl Astemizole 73736-50-2 D290825 Desmethyl Atomoxetine Hydrochloride 881995-46-6 D290950 N-Desmethyl Azelastine 47491-38-3 D291275 Desmethyl Bosentan 253688-61-8 D291405 N-Desmethylcarboxy Terbinafine 99473-15-1 D291475 O-Desmethyl Carvedilol 72956-44-6 D291480 (R)-(+)-O-Desmethyl Carvedilol 123372-14-5 D291485 (S)-(-)-O-Desmethyl Carvedilol 123372-13-4 D291520 Desmethyl Cerivastatin-O-&beta -D-glucuronide 212616-56-3 D291530 Desmethyl Cerivastatin, Sodium Salt 157199-28-5 D291550 Desmethyl Chlorpheniramine Maleate Salt 22630-25-7 D291560 Desmethyl Cyclobenzaprine Hydrochloride 438-59-5 D291565 (R)-Desmethyl Citalopram Hydrochloride 144010-85-5 D291570 S-Desmethyl Citalopram Discontinued See D291571 144025-14-9 D291571 S-Desmethyl Citalopram Hydrochloride D291575 N-Desmethyl Clarithromycin D291580 N-Desmethyl Clomipramine Hydrochloride 29854-14-6 D291585 N-Desmethyl Danofloxacin 108461-04-7 D291590 N-Desmethyl Dextrorphan 1531-12-0 D291595 Desmethyl Diazepam 1088-11-5 D291600 N-Desmethyl Dextrorphan &beta -D-O-Glucuronide 19153-89-0 D291605 O-Desmethyl Diltiazem 84903-78-6 D291610 N-Desmethyl Diltiazem Hydrochloride 130606-60-9 D291620 O-Desmethyl-N-deschlorobenzoyl Indomethacin 50995-53-4 D291630 Desmethyl Fluvoxamine 192876-02-1 D291633 Desmethyl Fluvoxamine &beta -D-Glucuronide 89103-66-2 D291635 3&rsquo -N-Desmethyl-3&rsquo -N-formyl Azithromycin 612069-28-0 D291640 Desmethyl Gabazine 835870-49-0 D291645 Desmethylene Paroxetine Hydrochloride Salt 159126-30-4 D291650 O-Desmethyl Gatifloxacin 616205-76-6 D291680 O-Desmethyl Gefitinib 847949-49-9 D291725 Desmethyl Hydroxy Cerivastatin Sodium Salt 201793-00-2 D291745 N-Desmethyl 4-Hydroxy Toremifene 125618-41-9 D291760 Desmethyl Icaritin 28610-31-3 D291800 O-Desmethyl Indomethacin 2504-32-7 D291840 N-Desmethyl Loperamide 66164-07-6 D291970 3&rsquo -O-Desmethyl Etoposide 100007-54-3 D292000 N-Desmethyl Clozapine 6104-71-8 D292010 5-O-Desmethyl Donepezil 120013-57-2 D292015 6-O-Desmethyl Donepezil 120013-56-1 D292025 N-Desmethyl Droloxifene 83647-33-0 D292030 O-Desmethyl Galanthamine 60755-80-8 D292033 O-Desmethyl Galanthamine &beta -D-Glucuronide 464189-54-6 D292038 1-Desmethyl Granisetron (Granisetron Impurity B) 107007-95-4 D292040 9&rsquo -Desmethyl Granisetron (Granisetron Impurity C) 160177-67-3 D292041 N-Desmethyl-4&rsquo -hydroxy Tamoxifen 170171-12-7 D292042 N-Desmethyl-4-hydroxy Tamoxifen &beta -D-Glucuronide (E/Z Mixture) D292043 N-Desmethyl-4-hydroxy Tamoxifen (approx. 1:1 E/Z Mixture) 110025-28-0 D292050 Desmethyl Levofloxacin 117707-40-1 D292055 O-Desmethyl Mebeverine Acid 586357-02-0 D292060 rac N-Desmethyl Mephenytoin 631-07-2 D292065 R-(-)-N-Desmethyl Mephenytoin 65567-32-01 D292068 C-Desmethyl Metoprolol 109632-08-8 D292070 S-(+)-N-Desmethyl Mephenytoin 65567-34-2 D292073 O-Desmethyl Metoprolol 62572-94-5 D292074 Desmethyl Mirtazapine Dihydrochloride D292075 Desmethyl Mirtazapine Discontinued See: D292074 61337-68-6 D292076 O-Desmethyl Mycophenolate Mofetil (Impurity A) D292078 O-Desmethyl Mycophenolic Acid 31858-65-8 D292085 1-Desmethyl 2-Methyl Granisetron (Granisetron Impurity A) 127472-42-8 D292088 N-Desmethyl Prochlorperazine Dimaleate 49780-18-9 D292098 Desmethyl Ofloxacin Hydrochloride 82419-52-1 D292099 O-Desmethyl Pantoprazole O-Sulfate Discontinued D292100 rac-cis-N-Desmethyl Sertraline Hydrochloride 91797-57-8 D292101 (1S,4S)-N-Desmethyl Sertraline Hydrochloride 675126-10-0 D292105 (1R,4S)-N-Desmethyl Sertraline Hydrochloride 675126-08-6 D292110 (1S,4R)-N-Desmethyl Sertraline Hydrochloride 675126-07-5 D292115 rac-trans-N-Desmethyl Sertraline Hydrochloride D292120 5-O-Desmethyl Omeprazole 151602-49-2 D292124 (R)-O-Desmethyl Naproxen 123050-98-6 D292125 (S)-O-Desmethyl Naproxen 52079-10-4 D292130 N-Desmethyl Pirenzepine 63257-31-8 D292135 5-O-Desmethyl Omeprazole Sulfide 103877-02-7 D292140 O-Desmethyl Quinidine 70877-75-7 D292145 O-Desmethyl Quinine 524-63-0 D292150 Desmethyl Ranolazine 172430-45-4 D292155 Desmethyl Ranolazine &beta -D-Glucuronide 172300-93-5 D292160 Desmethyl Ranitidine 66357-25-3 D292165 N-Desmethyl Rosiglitazone 257892-31-2 D292170 Desmethyl Sibutramine, Hydrochloride Salt 84467-94-7 D292180 N-Desmethyl Perazine 3240-48-0 D292185 Desmethyl Piroxicam (Piroxicam Impurity B) 65897-46-3 D292200 N-Desmethyl Sildenafil 139755-82-1 D293900 N-Desmethyl Tamoxifen Hydrochloride 15917-65-4 D293925 N-Desmethyl Tamoxifen Methanethiosulfonate Hydrobromide D293926 N-Desmethyl Tamoxifen Methanethiosulfonate 1025678-19-6 D294000 N-Desmethyl Tapentadol D294300 N-Desmethyl Terbinafine 99473-11-7 D294325 Des-(N-methyl-5-tetrazolethiolyl)furolactone Cefoperazone 73240-08-1 D294400 N-Desmethyl Topotecan 190710-79-3 D294460 N-Desmethyl Toremifene 110503-61-2 D294700 (+/-)-N-Desmethyl Tramadol 75377-45-6 D294720 (-)-N-Desmethyl Tramadol 147762-58-1 D294725 (+)-N-Desmethyl Tramadol 147762-57-0 D294735 O-Desmethyl Tramadol &beta -D-Glucuronide 383891-39-2 D294740 O-Desmethyl Tramadol Hydrochloride 16412-54-7 D294750 (-)-O-Desmethyl Tramadol Hydrochloride 148218-19-3 D294755 (+)-O-Desmethyl Tramadol Hydrochloride 148262-77-5 D295500 N-Desmethyl Trifluoperazine Dihydrochloride 2804-16-2 D296000 N-Desmethyl Ulipristal 159681-67-1 D296495 D,L N-Desmethyl Venlafaxine 149289-30-5 D296500 D,L-O-Desmethyl Venlafaxine 93413-62-8 D296525 rac O-Desmethyl Venlafaxine &beta -D-Glucuronide 1021933-98-1 D296750 p-O-Desmethyl Verapamil 77326-93-3 D296760 N-Desmethyl Vinblastine 18172-50-4 D296765 N-Desmethyl Zolmitriptan 139264-35-0 D296770 N-Desmethyl Zopiclone Hydrochloride 59878-63-6 D296830 O-Desmorpholinopropyl Gefitinib 184475-71-6 D297000 Desphenyl Chloridazon 6339-19-1 D297150 2-Despiperidyl-2-amino Repaglinide 637301-29-2 D297160 2-Despiperidyl-2-amino Repaglinide Methyl Ester D297170 2-Despiperidyl-2-(5-carboxypentylamine) Repaglinide 874908-12-0 D297200 4-Despiperidinyl-4-hydroxy Dipyridamole 68006-07-5 D297265 rac-cis Despropionyl Mefentanyl 144480-31-9 D297280 Despropylene Gatifloxacin 172426-86-7 D297310 N-Despropyl Pergolide 72821-91-1 D297380 N-Despropyl Ropinirole 106916-16-9 D297400 Des-3-pyridylmethyl Indinavir 150323-38-9 D297415 Despyridyl Piroxicam (Piroxicam Impurity C) 24683-25-8 D297500 5-Desthiolyl-5-thioxo Cefoperazone 711598-76-4 D297800 Des[2-(1,2,4-triazolyl)] Itraconazole-2-isocyanate D298820 Dexamethasone 17-Propionate 15423-89-9 D298825 Dexamethasone 21-Propionate 3793-10-0 D299500 Dextrorphan &beta -D-O-Glucuronide 19153-87-8 D416348 2,6-Diamino-5-hydroxy-3-(phenylazo)pyridine 86271-56-9 D416367 3-[2-(Diaminomethyleneamino)-1,3-thiazol-4-ylmethylsulphinyl]-N-sulphamoyl propanamide 1020719-36-1 D416575 2,4-Diamino-6-phenyl-7-pteridinol 19152-93-3 D416820 3,5-Diamino-2,4,6-triiodobenzoic Acid 5505-16-8 D416925 Dibenz[b,e]oxepin-11(6H)-one 4504-87-4 D422050 O-Desaryl Ranolazine 172430-46-5 D425390 2,4-Dibromo-16&alpha -hydroxyestrone 79258-14-3 D431785 1-(Dichloroacetyl)-1,2,3,4-tetrahydro-6-quinolinol 62265-67-2 D434160 4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one (Loratadine Impurity) 133330-60-6 D435660 2-[(2,6-Dichlorophenyl)amino]benzaldehyde 22121-58-0 D435670 N-(2,6-Dichlorophenyl)anthranilic Acid (Diclofenac Metabolite) 13625-57-5 D435698 [2-[(2,6-Dichlorophenyl)amino]phenyl]methanol (Diclofenac Impurity) 27204-57-5 D436440 Diclofenac Amide 15362-40-0 D436452 Diclofenac-D4 153466-65-0 D436475 Diclofenac Acyl-&beta -D-glucuronide 64118-81-6 D439440 (S)-Didemethylamino Citalopram Carboxylic Acid 766508-94-5 D439475 rac Didemethyl Citalopram DISCONTINUED. See D439476 62498-69-5 D439476 rac Didemethyl Citalopram Hydrochloride D439485 (R)-Didemethyl Citalopram D439486 (S)-Didemethyl Citalopram Hydrochloride D439510 (S)-N-Didemethyl Dapoxetine 147199-40-4 D439550 Didemethyl Mifepristone 104004-92-4 D439650 7-Didemethyl Minocycline Discontinued See: D439651 5679-00-5 D439651 7-Didemethyl Minocycline Dihydrochloride (85% by HPLC) 95940-02-6 D439750 4&rsquo ,6-Didemethyl Papaverine 57170-09-9 D440750 Di-N-desethyl Amiodarone 94317-95-0 D440850 N',N'-Di(desmethyl) Azithromycin 612069-27-9 D440958 Didechloro Vancomycin&bull xHCl, Technical Grade (Vancomycin Impurity) D440960 Didesethyl Chloroquine 4298-14-0 D440965 N,N-Didesethyl Sunitinib Hydrochloride 873077-70-4 D440970 D,L-N,N-Didesmethyl-O-desmethyl Venlafaxine Hydrochloride 135308-76-8 D440975 N,N-Didesmethyl-O-desmethyl-(rac-Venlafaxine) Glucuronide D440990 N,N-Didesmethyl N-tert-Butoxycarbonyl Diltiazem D440995 Didesmethyl Chlorpheniramine Maleate Salt 23052-94-0 D441050 N,N-Didesmethyl Diltiazem Hydrochloride 116050-35-2 D441105 Didesmethyl Erlotinib Hydrochloride Salt 183320-12-9 D441120 (E/Z)-N,N-Didesmethyl-4-hydroxy Tamoxifen D441135 N-Didesmethyl Loperamide 66164-06-5 D441150 D,L-N,N-Didesmethyl-N-(4-methoxyphenethyl) Venlafaxine D441220 (+/-)-N,O-Di-Desmethyl Tramadol 138853-73-3 D441225 (-)-N,O-Di-Desmethyl Tramadol 144830-19-3 D441230 (+)-N,O-Di-Desmethyl Tramadol 144830-18-2 D441350 N,N-Didesmethyl Trimebutine Hydrochloride D441450 N,N-Didesmethyl Ulipristal 244206-52-8 D441570 D,L-N,N-Didesmethyl Venlafaxine 93413-77-5 D441575 D,L N,O-Didesmethyl Venlafaxine 135308-74-6 D441585 N,O-Didesmethyl-(rac-venlafaxine) Glucuronide Hydrochloride 1021933-99-2 D441650 Didesmethyl Zolmitriptan 139264-15-6 D441750 rac Didesisopropyl Tolterodine 1189501-90-3 D443505 4-(Diethylamino)-2-butyn-1-ol 10575-25-4 D443615 2-(2-Diethylaminoethoxy)ethanol 140-82-9 D443850 Diethyl 3-Bromopropylmalonate 10149-21-0 D444670 rac-syn N,N-Diethyl Norephedrine 34154-81-9 D445020 Diethyl Stilbestrol &beta -D-Glucuronide 2408-40-4 D445030 1,8-Diethyl-1,3,4,9-tetrahydro-4-oxo-pyrano[3,4-b]indole-1-acetic Acid Methyl Ester 111478-84-3 D445400 Difenoxin 28782-42-5 D445660 Difluoro Atorvastatin 693794-20-6 D445740 2&rsquo ,2&rsquo -Difluoro-2&rsquo -deoxyuridine 114248-23-6 D445820 Pantoprazole Sulfide N-Oxide (Pantoprazole Impurity) see P183030 953787-51-4 D445850 8-Desmethoxy-8-fluoro Moxifloxacin 151213-15-9 D445910 4-(2,4-Difluorophenyl)-3-methyl-2(5H)-furanone 102748-42-4 D446500 Digoxigenin Bisdigitoxoside 5297-05-2 D446505 Digoxigenin Monodigitoxoside 5352-63-6 D446600 6,7-Dimethoxy-2,4-quinazolinediamine 605747-96-8 D448360 Dihydro Artemisinin 71939-50-9 D448370 Dihydro Artemisinin &beta -D-Glucuronide (Mixture of Isomers) 198976-06-6 D448485 2,3-Dihydro-5-benzofuranacetic Acid 69999-16-2 D448650 rac erythro-Dihydro Bupropion 99102-04-2 D448655 rac erythro-Dihydro Bupropion &beta -D-Glucuronide D448675 rac threo-Dihydro Bupropion 92264-82-9 D448680 rac threo-Dihydro Bupropion &beta -D-Glucuronide D448710 Dihydro Caffeic Acid 3-O-Sulfate Sodium Salt 1187945-70-5 D448900 Dihydro Ferulic Acid 1135-23-5 D448910 Dihydro Ferulic Acid 4-O-&beta -D-Glucuronide 86321-28-0 D448915 Dihydro Ferulic Acid 4-O-Sulfate Sodium Salt 86321-33-7 D449000 Dihydro Daidzein 17238-05-0 D449040 rac trans-10,11-Dihydro-10,11-dihydroxy Carbamazepine 58955-93-4 D449045 10,11-Dihydro-10,11-dihydroxy Protriptyline 29785-65-7 D449050 Dihydro Fenofibrate 61001-99-8 D449095 Dihydro Donepezil (Mixture of Diastereomers) 120012-04-6 D449133 10,11-Dihydro-10-hydroxy Carbamazepine O-&beta -D-Glucuronide 144407-84-1 D449135 10,11-Dihydro-10-hydroxy Carbamazepine 29331-92-8 D449176 Dihydro Ketoprofen (Mixture of Diastereomers) 59960-32-6 D449180 Dihydro Ketoprofen &beta -D-Glucuronide, Mixture of Diastereomers 849104-47-8 D449185 5,10-Dihydro-2-methyl-4H-thieno[2,3-b][1,5]benzodiazepin-4-one (Olanzapine Impurity) 221176-49-4 D449188 5,10-Dihydro-2-methyl- 4H-thieno[2,3-b][1,5]benzodiazepine-4-thione (Olanzapine Impurity) 612507-13-8 D449215 Dihydro Montelukast Sodium Salt 142147-98-6 D449330 (4S)-3,4-Dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazin-4-ol 1,1-Dioxide 1029324-91-1 D449650 cis (2,3)-Dihydro Tetrabenazine 113627-25-1 D449655 trans (2,3)-Dihydro Tetrabenazine D449900 2,6-Dihydro-2,2,4-trimethyl-6-quinolone 4071-18-5 D450110 3,4-Dihydroxy Amphetamine 828-06-8 D452230 6',7'-Dihydroxy Bergamottin 145414-76-2 D452315 10,11-Dihydroxy Carbamazepine 104839-39-6 D452450 7&alpha ,12&alpha -Dihydroxycholest-4-en-3-one 1254-03-1 D452735 (+/-)-trans-1,2-Dihydroxy-1,2-dihydronaphthalene 771-16-4 D452800 rac 8,14-Dihydroxy Efavirenz D452835 (7&alpha ,11)-Dihydroxy-5-keto-12,12-difluorotetranorprosta-1,16-dioic Acid D452850 Des(2-methylbutyrate)lovastatin Hydroxy Acid Sodium Salt 132294-94-1 D453070 3,4-Dihydroxy Methamphetamine Hydrochloride 438625-60-6 D453400 1',4-Dihydroxy Midazolam 64740-68-7 D453800 3&beta ,17&beta -Dihydroxy-19-norandrost-5(10)-ene 4993-32-2 D454100 cis-10,11-Dihydroxy Nortriptyline 1562-52-3 D454200 6&alpha ,3'-p-Dihydroxy Paclitaxel 157230-10-9 D454300 3&rsquo ,4&rsquo -Dihydroxyphenylacetone 2503-44-8 D454550 4,6-Dihydroxypyrazolo[3,4-d]pyrimidine 2465-59-0 D455035 1&rsquo ,4-Dihydroxy Triazolam 65686-12-6 D455045 1&alpha ,26-Dihydroxy Vitamin D3 300692-92-6 D455050 23,25-Dihydroxy Vitamin D3 77733-16-5 D455060 Dihydro Vitamin K1 DISCONTINUED. 572-96-3 D460618 Diltiazem N-Oxide 142843-04-7 D460665 2,4-Dimethoxybenzeneacetic Acid 6496-89-5 D460708 5,6-Dimethoxy-2-(4-pyridylmethyl)-1-indanone 4803-57-0 D460718 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one (Donepezil Impurity) 149874-91-9 D460720 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone (Donepezil Impurity) 4803-74-1 D460721 5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane (Donepezil Impurity) 844694-83-3 D460820 N-[3-(3-Dimethylaminoacryloyl)phenyl]-N-ethylacetamide 96605-66-2 D460980 Dimethylaminomethylfurylmethylthioethyl Ranitidine 72126-78-4 D470600 6,8-Dimethoxy Moxifloxacin 1029364-73-5 D470820 3-[1-(Dimethylamino)ethyl]phenol 105601-04-5 D473130 4-(3&rsquo ,6&rsquo -Dimethyl-3&rsquo -heptyl)phenol 142731-63-3 D474010 Deferiprone 3-O-&beta -D-Glucuronide 141675-48-1 D474200 2,2-Dimethyl-4-isopropyl-1,3-benzodioxole (Propofol Impurity L) 201166-22-5 D476465 Dimethyl Phenobarbital 730-66-5 D476720 N-(2,4-Dimethylphenyl)formamide 60397-77-5 D476800 N-(2,6-Dimethylphenyl)-2-(ethylmethylamino)acetamide Hydrochloride 50295-20-0 D476925 N'-(2,4-Dimethylphenyl)-N-methylformamide 33089-74-6 D476950 N-(2,6-Dimethylphenyl)-1-piperazineacetamide 5294-61-1 D479695 1,7-Dimethyluric Acid 33868-03-0 D480450 2,4-Dinitrotoluene 121-14-2 D480500 2,3-Dinor-6-ketoprostaglandin F1&alpha 64700-71-6 D485000 Diosmetin 520-34-3 D486850 5,8-Dioxopsoralen 483-36-3 D491720 1,2-Diphenyl Hydrazine 122-66-7 D491820 N,3-Diphenyl-2-(2-methyl-1-oxopropyl)4-oxo-N-benzenebutanamide (Mixture of Diastereomers) 444577-70-2 D491950 2,4-Dipiperido-6,8-didiethanolamino Dipyridamole + 2,8-Dipiperido-4,6-didiethanolamino Dipyridamole (Mixture) D492628 Dipyridamole Di-O-&beta -D-glucuronide 107136-95-8 D492630 Dipyridamole Mono-O-&beta -D-glucuronide 63912-02-7 D492635 Dipyridamole Ditartrate Semiester D492640 Dipyridamole Monotartrate Semiester D494335 1,6-Di-O-tosyl-2,3-O-isopropylidene-&alpha -L-sorbofuranose 2484-55-1 D494405 Docetaxel Metabolites M1 and M3 (Mixture of Diastereomers) D494410 Docetaxel Metabolite M4 157067-34-0 D494425 Docetaxel Hydroxy tert-Butylcarbamate 154044-57-2 D494430 2-Desbenzoyl-2-Tiglyldocetaxel (Docetaxel Impurity A) D494440 N,N&rsquo -Ditrityl Losartan &alpha -Butyl-losartan Aldehyde Adduct D531740 Donepezil Benzyl Bromide (Donepezil Impurity) 844694-85-5 D531760 rac-(cis/trans) Donepezil N-Oxide 120013-84-5 D533790 Dopamine 3-&beta -D-Glucuronide Sodium Salt 69975-91-3 D533795 Dopamine 4-&beta -D-Glucuronide 38632-24-5 D550010 Doxepin N-Oxide 22684-91-9 D558020 Doxorubicinol Hydrochloride (Mixture of diastereomers)
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