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CAS号查询库

CAS号是公开的化学物质信息的最权威的集合。CAS号涵盖从1957年至今的科学文献中确定的物质,其他物质可追溯到20世纪初。它也称CAS编号(CAS Registry Number,或称CAS Number,CAS Rn,CAS #),又称CAS登录号或CAS登记号码,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。美国化学会的下设组织化学文摘社(Chemical Abstracts Service,简称CAS)负责为每一种出现在文献中的物质分配一个CAS编号,其目的是为了避免化学物质有多种名称的麻烦,使数据库的检索更为方便。如今几乎所有的化学数据库都允许用CAS编号检索。

名称 CAS号
2-ethyl-3-(4-fluorophenyl)-7-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030653-74-7
N-{4-[2-ethyl-3-(4-fluorophenyl)-6-oxopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl]phenyl}acetamide 1030570-85-4
7-(4-acetylphenyl)-2-ethyl-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030673-78-9
2-ethyl-3-(4-fluorophenyl)-7-(2-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030524-98-1
7-(1,3-benzodioxol-5-yl)-2-ethyl-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030653-78-1
7-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethyl-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030570-89-8
2-ethyl-3-(4-fluorophenyl)-7-(3,4,5-trimethoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030673-83-6
2-ethyl-3-(4-fluorophenyl)-7-(1,3-thiazol-2-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030653-82-7
2-ethyl-3-(4-fluorophenyl)-7-(4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030570-93-4
N-{4-[3-(4-chlorophenyl)-2-ethyl-6-oxopyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-7(6H)-yl]phenyl}acetamide 1030571-57-3
Methyl 2-methyl-5-oxo-6-[3-(trifluoromethoxy)phenyl]-5,6-dihydro-1,6-naphthyridine-3-carboxylate 1030675-03-6
ethyl 8-(4-chlorophenyl)-4-[(E)-2-(dimethylamino)ethenyl]-7-ethylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate 1030448-24-8
2-ethyl-3-(4-fluorophenyl)-7-(5-methyl-4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030481-85-6
Methyl 2-methyl-5-oxo-6-(1,3-thiazol-2-yl)-5,6-dihydro-1,6-naphthyridine-3-carboxylate 1010908-01-6
6-(4-bromophenyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5(6H)-one 1030500-99-2
6-(2-chlorophenyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5(6H)-one 1030501-19-9
N-(4-(2,4-dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thiazol-2-yl)-3-methoxybenzamide 942665-27-2
4-methyl-1-(4-methylbenzyl)-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione 1087644-52-7
7-(1H-1,2,4-triazol-3-yl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one 1087654-55-4
1-(Pyridine-3-sulfonyl)piperazine 26103-50-4
N-{4-[2-ethyl-3-(4-methoxyphenyl)-6-oxopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl]phenyl}acetamide 1010874-42-6
7-(3,4-difluorophenyl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1040705-46-1
7-(1,3-benzodioxol-5-yl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081130-28-0
2-ethyl-3-(4-methoxyphenyl)-7-(5-methyl-4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081119-76-7
3-(4-bromophenyl)-2-methyl-7-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1010925-76-4
3-(4-bromophenyl)-7-(2-fluorophenyl)-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1010918-15-6
2-ethyl-3-(4-methoxyphenyl)-7-(pyridin-2-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081138-06-8
3-(4-bromophenyl)-2-methyl-7-(5-methyl-4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1040714-25-7
3-(4-bromophenyl)-7-(5-ethyl-4H-1,2,4-triazol-3-yl)-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081146-24-8
C19H14BrN7OS 1081122-53-3
3-(3-chlorophenyl)-7-(3,4-difluorophenyl)-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081133-04-1
5-(3-Chlorophenyl)-11-(3,4-difluorophenyl)-4-methyl-2,3,7,8,11-pentazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,12-pentaen-10-one 1040712-12-6
3-(3-chlorophenyl)-2-methyl-7-(1,3-thiazol-2-yl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1040692-89-4
N-{4-[2-ethyl-3-(4-methoxyphenyl)-6-oxopyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-7(6H)-yl]phenyl}acetamide 1010902-30-3
2-ethyl-3-(4-methoxyphenyl)-7-[2-(trifluoromethyl)phenyl]pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1081121-74-5
7-(3,4-dichlorophenyl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1010879-23-8
7-[4-chloro-3-(trifluoromethyl)phenyl]-2-ethyl-3-(4-methoxyphenyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1081139-42-5
7-(2,3-dichlorophenyl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1010913-57-1
3-(4-bromophenyl)-7-(4-methoxyphenyl)-2-methylpyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1040690-14-9
N-(Piperidin-1-YL)pyrimidin-2-amine 864434-19-5
(1R)-2-amino-1-[2-(propan-2-yloxy)phenyl]ethan-1-ol 2227769-27-7
3-Piperidinecarboxylic acid, 1-[(2-chloro-3-pyridinyl)methyl]-, methyl ester 1141990-07-9
2,2,3,3-tetrafluoropropyl 6-(1H-benzotriazol-1-ylcarbonyl)cyclohex-3-ene-1-carboxylate 312285-87-3
1-[(4-Chlorophenyl)methyl]-3'-(3-fluoro-4-methylphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894568-45-7
1-[(4-Chlorophenyl)methyl]-3'-(3-ethylphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894568-85-5
1-[(4-Chlorophenyl)methyl]-3'-[4-(propan-2-yl)phenyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894569-09-6
3'-(4-Fluorophenyl)-1-[(4-fluorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894569-41-6
2,3-Bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]propyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate 6386-64-7
3'-(3,5-Dimethylphenyl)-1-[(4-fluorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894569-89-2
1-[(4-Fluorophenyl)methyl]-3'-(4-methylphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894570-27-5