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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-oxo-N-((8-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl)methyl)imidazolidine-1-carboxamide 1903049-46-6
2-chloro-N-(2-(4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzenesulfonamide 1903293-03-7
N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-2-phenyl-2H-1,2,3-triazole-4-carboxamide 1903520-58-0
7-methoxy-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzofuran-2-carboxamide 1904304-44-4
2-methoxy-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)nicotinamide 1904186-57-7
5-bromo-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)furan-2-carboxamide 1904028-34-7
N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide 1903883-56-6
2,4-dimethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)thiazole-5-carboxamide 1903172-19-9
2,5-dimethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)furan-3-carboxamide 1903602-18-5
N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzo[c][1,2,5]thiadiazole-5-carboxamide 1903636-67-8
5-chloro-2-fluoro-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzamide 1903883-88-4
2-hydroxy-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)quinoline-4-carboxamide 1903636-75-8
3-(2-methoxyphenyl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)propanamide 1904186-75-9
3-(3-chlorophenyl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)propanamide 1903167-68-9
1,3,5-trimethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-1H-pyrazole-4-carboxamide 1903781-26-9
2-(2-chloro-6-fluorophenyl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)acetamide 1903164-32-8
1-ethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-1H-pyrazole-5-carboxamide 1903884-11-6
1-(3-ethoxypropyl)-3-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)urea 1903164-51-1
2,6-difluoro-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzenesulfonamide 1903164-67-9
(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)(naphthalen-1-yl)methanone 1903884-50-3
(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)(pyridin-4-yl)methanone 1904409-45-5
2,2',2''-(1,4,7-Triazecane-1,4,7-triyl)tris(ethane-1-thiol) 1141378-62-2
2-(2,4-difluorophenyl)-1-(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)ethanone 1904409-62-6
3-(3-chlorophenyl)-1-(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)propan-1-one 1903383-08-3
tert-Butyl 3-amino-6-methylpyrazine-2-carboxylate 1259478-69-7
4-(4-((4-fluoro-2-methylphenyl)sulfonyl)piperazin-1-yl)tetrahydro-2H-thiopyran 1,1-dioxide 1903286-14-5
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-phenylacetamide 1904126-14-2
1-(3-methoxyphenyl)-N-{[3-(5-methyl-1,2-oxazol-3-yl)-1,2,4-oxadiazol-5-yl]methyl}-5-oxopyrrolidine-3-carboxamide 1903440-26-5
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)furan-3-carboxamide 1903383-35-6
Benzyl ((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)carbamate 1903168-36-4
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-oxoimidazolidine-1-carboxamide 1904017-62-4
1-((3-(5-Methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3-(thiophen-2-ylmethyl)urea 1903885-42-6
1-((3-(5-Methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3-((tetrahydrofuran-2-yl)methyl)urea 1903250-64-5
1-(3-Methoxybenzyl)-3-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)urea 1903784-51-9
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)morpholine-4-sulfonamide 1902992-75-9
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)benzo[c][1,2,5]thiadiazole-4-sulfonamide 1904304-79-5
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-(1H-pyrazol-1-yl)benzenesulfonamide 1903784-74-6
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-methoxybenzamide 1903286-56-5
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)acetamide 1903848-72-5
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)furan-2-carboxamide 1903784-88-2
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-oxo-4H-chromene-2-carboxamide 1903243-11-7
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-(methylsulfonyl)piperidine-4-carboxamide 1903440-60-7
3-cyano-N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)benzamide 1902980-06-6
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-phenyltetrahydro-2H-pyran-4-carboxamide 1903520-77-3
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(3,5-dimethylisoxazol-4-yl)acetamide 1904304-98-8
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3,5-dimethylisoxazole-4-carboxamide 1903286-80-5
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxamide 1904367-57-2
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(1H-pyrrol-1-yl)acetamide 1904187-54-7
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-methyl-1H-pyrrole-2-carboxamide 1904410-70-3
3-(((3-(5-Cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)carbamoyl)pyridine 1-oxide 1903784-95-1

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