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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
西地那非杂质58|Sildenafil Impurity 58

西地那非杂质58|Sildenafil Impurity 58

4,4'-((5,5'-(piperazine-1,4-disulfonyl)bis(2-ethoxybenzoyl))bis(azanediyl))bis(1-methyl-3-propyl-1H-pyrazole-5-carboxamide)

N/A

C38H50N10O10S2

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拉米地坦杂质33|Lasmiditan Impurity 33

拉米地坦杂质33|Lasmiditan Impurity 33

(E)-(6-(((6-aminopyridin-2-yl)(1-methylpiperidin-4-yl)methylene)amino)pyridin-2-yl)(1-methylpiperidin-4-yl)methanone

N/A

C24H32N6O

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吲哚布芬杂质 26|Indobufen Impurity 26

吲哚布芬杂质 26|Indobufen Impurity 26

2-(4-(isoindolin-2-yl)phenyl)butanoic acid

N/A

C18H19NO2

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卡泊芬净杂质25|Caspofungin Impurity 25

卡泊芬净杂质25|Caspofungin Impurity 25

N-((2R,6S,9S,11R,12S,14aS,16R,20S,23S,25aS)-20-((R)-3-amino-1-hydroxypropyl)-12-((2-aminoethyl)amino)-23-((1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl)-2,11,16-trihydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2'

N/A

C52H86N10O16.CH3COOH

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丁酸氯维地平杂质02|Clevidipine Impurity 02

丁酸氯维地平杂质02|Clevidipine Impurity 02

3-((butyryloxy)methyl) 5-isopropyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

N/A

C23H27Cl2NO6

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甲羟孕酮醋酸EP杂质C|Medroxyprogesterone Acetate EP Impurity C

甲羟孕酮醋酸EP杂质C|Medroxyprogesterone Acetate EP Impurity C

(1S,4aS,4bR,6S,10aR,10bS,12aS)-1,6,10a,12a-tetramethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,9,10,10a,10b,11,12,12a-hexadecahydrochrysen-1-yl acetate

N/A

C24H34O4

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来曲唑杂质08|Letrozole Impurity 08

来曲唑杂质08|Letrozole Impurity 08

1-(bis(4-cyanophenyl)methyl)-1H-1,2,4-triazole 4-oxide

N/A

C17H11N5O

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卤米松杂质6|Halometasone Impurity 6

卤米松杂质6|Halometasone Impurity 6

2-((6S,8S,9R,10S,11S,13S,14S,16R,17R)-2-chloro-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyacetic acid

N/A

C22H27ClF2O6

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普拉洛芬杂质10|Pranoprofen Impurity 10

普拉洛芬杂质10|Pranoprofen Impurity 10

2,2-dichloro-1-(5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one

N/A

C15H11Cl2NO2

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精氨酸杂质12|Arginine Impurity 12

精氨酸杂质12|Arginine Impurity 12

(S)-ethyl 2-((S)-2-aminopentanamido)pentanoate

N/A

C12H24N2O3

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