CAS NO是美国化学文摘服务社(Chemical Abstracts Service ,CAS)为化学物质制订的登记号，该号是检索有多个名称的化学物质信息的重要工具。是某种物质（化合物、高分子材料、生物序列（Biological sequences）、混合物或合金的唯一的数字识别号码。
| 产品图 | 中文名称 | 别名 | CAS号 | 分子式 | 详细 |
|---|---|---|---|---|---|
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氟胞嘧啶杂质5|Flucytosine impurity 5 |
6-amino-5-((5-fluoro-2-oxo-2,3-dihydropyrimidin-4-yl)methyl)pyrimidin-2(1H)-one |
N/A |
C9H8FN5O2 | 查看详细 |
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氯倍他索杂质01|Clobetasol impurity 01 |
(9R,10S,11S,13S,14S,16R,17R)-9-bromo-17-(2-chloroacetyl)-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one |
N/A |
C22H28BrClO4 | 查看详细 |
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托法替尼相关化合物2 盐酸盐|Tofacitinib Related Compound 2 HCl |
(3R,4R)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-5-((R)-1,2-dihydroxyethyl)tetrahydrofuran-3,4-diol |
N/A |
C10H17N3O. HCl | 查看详细 |
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甲苯磺酸卢美哌隆杂质12|Lumepirone Toluenesulfonate Impurity 12 |
(6bR,10aS)-ethyl 3-methyl-1,2-dioxo-2,3,6b,7,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(9H)-carboxylate |
N/A |
C17H19N3O4 | 查看详细 |
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头孢他啶杂质34|Ceftazidime Impurity 34 |
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
N/A |
C17H19N5O7S2 | 查看详细 |
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美阿沙坦钾杂质28|Measartan potassium Impurity 28 |
阿齐沙坦杂质(2'-cyano-[1,1'-biphenyl]-4-yl)methyl 1-((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate |
N/A |
C38H28N4O3 | 查看详细 |
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西那卡塞杂质E HCl|Cinacalcet Impurity E HCl |
(3R,4R)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-5-((R)-1,2-dihydroxyethyl)tetrahydrofuran-3,4-diol |
N/A |
C22H25N. HCl | 查看详细 |
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卡泊芬净杂质27|Caspofungin Impurity 27 |
(2R,6S,9S,11R,12S,14aS,15S,20S,23S,25aS)-20-((R)-3-amino-1-hydroxypropyl)-12-((2-aminoethyl)amino)-23-((1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl)-9-((10,12-dimethyltetradecyl)amino)-2,11,15-trihydroxy-6-((R)-1-hydroxyethyl)hexadecahydro-1H-dipyrrolo[ |
N/A |
C51H86N10O15.CH3COOH | 查看详细 |
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尼莫地平杂质17|Nimodipine Impurity 17 |
diethyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate |
N/A |
C19H22N2O6 | 查看详细 |
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阿齐沙坦杂质34|Azilsartan Impurity 34 |
4-(hydroxymethyl)-5-methyl-1,3-dioxol-2-one |
N/A |
C5H6O4 | 查看详细 |