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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
Ethyl 1-(2-chlorophenyl)-4-(((3,4-dimethoxyphenyl)sulfonyl)oxy)-6-oxo-1,6-dihydropyridazine-3-carboxylate 899959-20-7
Ethyl 4-(((3,4-dimethoxyphenyl)sulfonyl)oxy)-1-(4-fluorophenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate 900008-54-0
Ethyl 4-(((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)oxy)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate 899728-12-2
5-bromo-N-(5-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)thiophene-2-carboxamide 895413-13-5
(E)-N-(5-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide 895413-77-1
5-chloro-N-(5-methoxybenzo[d]thiazol-2-yl)-2-nitro-N-(pyridin-3-ylmethyl)benzamide 895414-24-1
Ethyl 4-(((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)oxy)-6-oxo-1-(p-tolyl)-1,6-dihydropyridazine-3-carboxylate 900008-57-3
1-Benzyl-4-[(6,7-dimethoxy-1-oxoindan-2-yl)methyl]piperidine 736104-42-0
Ethyl 1-(2-chlorophenyl)-4-(((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)oxy)-6-oxo-1,6-dihydropyridazine-3-carboxylate 899728-14-4
Ethyl 4-(((3-fluoro-4-methoxyphenyl)sulfonyl)oxy)-6-oxo-1-(o-tolyl)-1,6-dihydropyridazine-3-carboxylate 899728-16-6
Ethyl 4-(((3-fluoro-4-methoxyphenyl)sulfonyl)oxy)-6-oxo-1-(p-tolyl)-1,6-dihydropyridazine-3-carboxylate 900008-63-1
Ethyl 1-(2-chlorophenyl)-4-(((3-fluoro-4-methoxyphenyl)sulfonyl)oxy)-6-oxo-1,6-dihydropyridazine-3-carboxylate 899959-26-3
Ethyl 4-(((3-fluoro-4-methoxyphenyl)sulfonyl)oxy)-1-(4-fluorophenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate 899728-18-8
N-(5-methoxybenzo[d]thiazol-2-yl)-3-(phenylsulfonyl)-N-(pyridin-3-ylmethyl)propanamide 895415-89-1
N-[(3-fluoro-4-methoxyphenyl)methyl]-N-methyl-3-(2-phenylethenesulfonamido)propanamide 949777-17-7
N-(2,5-dimethylphenyl)-2-[3-(4-methoxybenzoyl)-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridin-1-yl]acetamide 894910-48-6
N-(4,5-dimethylbenzo[d]thiazol-2-yl)-4-nitro-N-(pyridin-3-ylmethyl)benzamide 895416-12-3
2-(3-(4-chlorobenzoyl)-7-methyl-4-oxo-1,8-naphthyridin-1(4H)-yl)-N-(2-ethylphenyl)acetamide 894912-23-3
2-(3-(4-chlorobenzoyl)-7-methyl-4-oxo-1,8-naphthyridin-1(4H)-yl)-N-(4-methylbenzyl)acetamide 894913-50-9
N-(3-methoxypropyl)-2-[6-oxo-3-(4-phenylpiperazin-1-yl)pyridazin-1(6H)-yl]acetamide 959489-42-0
N-cyclopentyl-2-{[2-(2,4-dimethylphenyl)-2-oxoethyl]thio}-4-oxo-3-(tetrahydrofuran-2-ylmethyl)-3,4-dihydroquinazoline-7-carboxamide 959519-00-7
N-cyclopentyl-2-{[2-(4-ethoxyphenyl)-2-oxoethyl]sulfanyl}-4-oxo-3-[(oxolan-2-yl)methyl]-3,4-dihydroquinazoline-7-carboxamide 959547-60-5
tert-butyl 3-hydroxy-5,6,7,8-tetrahydro-4H-isoxazolo[4,5-c]azepine-5-carboxylate 123732-42-3
3-(3-Piperidin-2-yl-1,2,4-oxadiazol-5-yl)benzonitrile 661458-47-5
(3-Aminobenzofuran-2-yl)(2',4'-difluoro-[1,1'-biphenyl]-4-yl)methanone 269075-49-2
Hydroperoxide, (4aR,14aR)-tetradecahydro-14aH-cyclododeca(b)pyran-14a-yl, rel- 174390-08-0
N-(4,5-dimethylbenzo[d]thiazol-2-yl)-5-nitro-N-(pyridin-3-ylmethyl)thiophene-2-carboxamide 895416-99-6
N-(4,5-dimethylbenzo[d]thiazol-2-yl)-5-nitro-N-(pyridin-3-ylmethyl)furan-2-carboxamide 895417-28-4
3-cyclopropyl-2-thioxo-2,3-dihydrothieno[3,2-d]pyrimidin-4(1H)-one 926195-39-3
2-Nitro-4-(piperidin-1-yl)benzaldehyde 2138378-09-1
2-{[11-(hydroxymethyl)-5-(4-methoxyphenyl)-14-methyl-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-7-yl]sulfanyl}-N-(3-hydroxyphenyl)acetamide 892382-48-8
2-((2-(2-chlorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)-N-(2,3-dimethylphenyl)acetamide 892382-66-0
2-((2-(2-chlorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)-N-(2,5-dimethylphenyl)acetamide 892382-69-3
2-((2-(2-chlorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)-N-(4-ethylphenyl)acetamide 892382-78-4
2-((2-(3-chlorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)-N-(2-methoxyphenyl)acetamide 892383-26-5
2-((2-(3-chlorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)-N-(4-ethoxyphenyl)acetamide 892383-35-6
2-((2-(4-fluorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)-N-mesitylacetamide 892385-39-6
N-(3-chloro-4-methoxyphenyl)-2-((6-(hydroxymethyl)-9-methyl-2-phenyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)acetamide 892386-70-8
N-(2,5-dimethylphenyl)-2-((2-(2-fluorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)butanamide 892386-74-2
N-(4-fluorophenyl)-2-((2-(4-fluorophenyl)-6-(hydroxymethyl)-9-methyl-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-4-yl)thio)butanamide 892414-63-0
[5-(2-Fluorophenyl)-7-{[(3-methoxyphenyl)methyl]sulfanyl}-14-methyl-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-11-yl]methanol 892415-14-4
[7-(Benzylsulfanyl)-5-(4-ethylphenyl)-14-methyl-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-11-yl]methanol 892415-45-1
[5-(4-Ethylphenyl)-7-{[(2-fluorophenyl)methyl]sulfanyl}-14-methyl-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-11-yl]methanol 892415-67-7
2-(4-chlorophenoxy)-N-(4,5-dimethylbenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)acetamide 941958-53-8
[5-(4-Ethylphenyl)-7-{[(4-fluorophenyl)methyl]sulfanyl}-14-methyl-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-11-yl]methanol 892415-79-1
(2-(3-fluorophenyl)-9-methyl-4-((2-methylbenzyl)thio)-5H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidin-6-yl)methanol 892415-81-5
(7-{[(4-Ethenylphenyl)methyl]sulfanyl}-14-methyl-5-(2-methylphenyl)-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-11-yl)methanol 892416-32-9
(14-Methyl-7-{[(2-methylphenyl)methyl]sulfanyl}-5-phenyl-2-oxa-4,6,13-triazatricyclo[8.4.0.0^{3,8}]tetradeca-1(10),3(8),4,6,11,13-hexaen-11-yl)methanol 892416-45-4
2-(3-(benzo[d][1,3]dioxol-5-ylmethyl)-2,4-dioxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-1(2H)-yl)-N-(o-tolyl)acetamide 892430-41-0
2-(3-(benzo[d][1,3]dioxol-5-ylmethyl)-2,4-dioxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-1(2H)-yl)-N-(2-methoxyphenyl)acetamide 892430-65-8

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