CAS database

基础产品

CAS库

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
布比卡因EP杂质D|Bupivacaine EP Impurity D

布比卡因EP杂质D|Bupivacaine EP Impurity D

2,6-dichloro-N-(2,6-dimethylphenyl)hexanamide

N/A

C14H19Cl2NO

查看详细
盐酸甘氨二肽|Glycinexylidide HCl

盐酸甘氨二肽|Glycinexylidide 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

C10H14N2O. HCl

查看详细
奈必洛尔杂质65|Nebivolol Impurity 65

奈必洛尔杂质65|Nebivolol Impurity 65

奈比洛尔杂质65Nebivolol Impurity 65

N/A

C13H15FO3S

查看详细
依度沙班杂质12|Edoxaban Impurity 12

依度沙班杂质12|Edoxaban Impurity 12

(3aR,5S,7aS)-methyl 2-oxooctahydro-1H-benzo[d]imidazole-5-carboxylate

N/A

C9H14N2O3

查看详细
头孢美唑杂质39|Cefmetazole Impurity 39

头孢美唑杂质39|Cefmetazole Impurity 39

(6R,7R)-benzhydryl 7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

N/A

C28H27N7O5S3

查看详细
替格瑞洛杂质61|Tegrelo Impurity 61

替格瑞洛杂质61|Tegrelo Impurity 61

(1S,2S,3S,5S)-3-((6-chloro-5-((3-((1R,2S,3S,4S)-2,3-dihydroxy-4-(2-hydroxyethoxy)cyclopentyl)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)amino)-2-(propylthio)pyrimidin-4-yl)amino)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol

N/A

C28H42ClN9O8S2

查看详细
比卡格韦对映体|Bictegravir Enantiomer

比卡格韦对映体|Bictegravir Enantiomer

(2S,5R,13aS)-8-hydroxy-7,9-dioxo-N-(2,4,6-trifluorobenzyl)-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazepine-10-carboxamide

N/A

C21H18F3N3O5

查看详细
利血平杂质6|Reserpine Impurity 6

利血平杂质6|Reserpine Impurity 6

(1S,2R,3R,4aS,13bS,14aS)-methyl 8a-hydroxy-2,11-dimethoxy-3-((3,4,5-trimethoxybenzoyl)oxy)-1,2,3,4,4a,5,7,8,8a,13b,14,14a-dodecahydroindolo[2',3':3,4]pyrido[1,2-b]isoquinoline-1-carboxylate

N/A

C33H40N2O10

查看详细
地匹福林EP 杂质 E HCl|Dipivefrine EP Impurity E HCl

地匹福林EP 杂质 E HCl|Dipivefrine EP 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

C19H27NO5. HCl

查看详细
帕布昔利布杂质23|Palbociclib Impurity 23

帕布昔利布杂质23|Palbociclib Impurity 23

1,4-bis(6-nitropyridin-3-yl)piperazine

N/A

C14H14N6O4

查看详细