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	英文名	物理化学性质	CAS号	分子式
N-(4,6-dihydrothieno[3,4-c]isoxazol-3-yl)-5-methyl-isoxazole-3-carboxamide	N-(4,6-dihydrothieno[3,4-c]isoxazol-3-yl)-5-methyl-isoxazole-3-carboxamide	分子量：251.26 密度：N/A 沸点：N/A 熔点：N/A	1207039-74-4	C₁₀H₉N₃O₃S
3-{2,4-Dioxo-1,3-diazaspiro[4.4]nonan-3-yl}propanamide	3-{2,4-Dioxo-1,3-diazaspiro[4.4]nonan-3-yl}propanamide	分子量：225.24 密度：N/A 沸点：N/A 熔点：N/A	1248735-80-9	C₁₀H₁₅N₃O₃
N-{[5-(1-benzofuran-2-yl)-1,2-oxazol-3-yl]methyl}-2-[4-(propane-2-sulfonyl)phenyl]acetamide	N-{[5-(1-benzofuran-2-yl)-1,2-oxazol-3-yl]methyl}-2-[4-(propane-2-sulfonyl)phenyl]acetamide	分子量：438.5 密度：N/A 沸点：N/A 熔点：N/A	1209835-80-2	C₂₃H₂₂N₂O₅S
[1-(1-ethyl-1H-benzimidazol-2-yl)ethyl]amine dihydrochloride	[1-(1-ethyl-1H-benzimidazol-2-yl)ethyl]amine dihydrochloride	分子量：189.26 密度：N/A 沸点：N/A 熔点：N/A	1082308-02-8	C₁₁H₁₅N₃
[(3-Acetylphenyl)carbamoyl](phenyl)methyl 6-chloropyridine-3-carboxylate	[(3-Acetylphenyl)carbamoyl](phenyl)methyl 6-chloropyridine-3-carboxylate	分子量：408.8 密度：N/A 沸点：N/A 熔点：N/A	1031563-10-6	C₂₂H₁₇ClN₂O₄
1-[(1,2,3,4-Tetrahydronaphthalen-1-yl)carbamoyl]ethyl 6-chloropyridine-3-carboxylate	1-[(1,2,3,4-Tetrahydronaphthalen-1-yl)carbamoyl]ethyl 6-chloropyridine-3-carboxylate	分子量：358.8 密度：N/A 沸点：N/A 熔点：N/A	1031526-82-5	C₁₉H₁₉ClN₂O₃
N-((5-(4-chlorophenyl)isoxazol-3-yl)methyl)picolinamide	N-((5-(4-chlorophenyl)isoxazol-3-yl)methyl)picolinamide	分子量：313.74 密度：N/A 沸点：N/A 熔点：N/A	1208483-40-2	C₁₆H₁₂ClN₃O₂
(5-Phenyl-1,2-oxazol-3-yl)methyl 2,1,3-benzothiadiazole-5-carboxylate	(5-Phenyl-1,2-oxazol-3-yl)methyl 2,1,3-benzothiadiazole-5-carboxylate	分子量：337.4 密度：N/A 沸点：N/A 熔点：N/A	1207023-97-9	C₁₇H₁₁N₃O₃S
3-(1H-indol-3-yl)-N-(1-methanesulfonylpiperidin-4-yl)propanamide	3-(1H-indol-3-yl)-N-(1-methanesulfonylpiperidin-4-yl)propanamide	分子量：349.4 密度：N/A 沸点：N/A 熔点：N/A	1197644-43-1	C₁₇H₂₃N₃O₃S
(2R)-2-Amino-2-(2-hydroxycycloheptyl)acetic acid	(2R)-2-Amino-2-(2-hydroxycycloheptyl)acetic acid	分子量：187.24 密度：N/A 沸点：N/A 熔点：N/A	1254172-42-3	C₉H₁₇NO₃
(S)-1-(5-(4-Bromophenyl)oxazol-2-YL)ethanamine	(S)-1-(5-(4-Bromophenyl)oxazol-2-YL)ethanamine	分子量：267.12 密度：N/A 沸点：N/A 熔点：N/A	1821813-97-1	C₁₁H₁₁BrN₂O
N-(1-cyano-1,2-dimethylpropyl)-2-(3,5-dimethylphenoxy)acetamide	N-(1-cyano-1,2-dimethylpropyl)-2-(3,5-dimethylphenoxy)acetamide	分子量：274.36 密度：N/A 沸点：N/A 熔点：N/A	1090675-76-5	C₁₆H₂₂N₂O₂
N-(1-cyano-1-cyclopropylethyl)-2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetamide	N-(1-cyano-1-cyclopropylethyl)-2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetamide	分子量：326.3 密度：N/A 沸点：N/A 熔点：N/A	1090782-58-3	C₁₈H₁₈N₂O₄
(S)-2-Methyl-1-(5-phenyl-1,3,4-oxadiazol-2-yl)propan-1-amine	(S)-2-Methyl-1-(5-phenyl-1,3,4-oxadiazol-2-yl)propan-1-amine	分子量：217.27 密度：N/A 沸点：N/A 熔点：N/A	1351397-91-5	C₁₂H₁₅N₃O
[(1-Cyano-1,2-dimethylpropyl)carbamoyl]methyl 2-(3,4-dimethoxyphenyl)acetate	[(1-Cyano-1,2-dimethylpropyl)carbamoyl]methyl 2-(3,4-dimethoxyphenyl)acetate	分子量：348.4 密度：N/A 沸点：N/A 熔点：N/A	926149-97-5	C₁₈H₂₄N₂O₅
4-[2-(2-Ethoxy-4-formylphenoxy)propanoylamino]benzamide	4-[2-(2-Ethoxy-4-formylphenoxy)propanoylamino]benzamide	分子量：356.4 密度：N/A 沸点：N/A 熔点：N/A	1090928-00-9	C₁₉H₂₀N₂O₅
1-[(1-Cyano-1,2-dimethylpropyl)carbamoyl]ethyl 3,4-dimethoxybenzoate	1-[(1-Cyano-1,2-dimethylpropyl)carbamoyl]ethyl 3,4-dimethoxybenzoate	分子量：348.4 密度：N/A 沸点：N/A 熔点：N/A	1111506-77-4	C₁₈H₂₄N₂O₅
2-chloro-N-[3-(trifluoromethyl)phenyl]pyridine-3-sulfonamide	2-chloro-N-[3-(trifluoromethyl)phenyl]pyridine-3-sulfonamide	分子量：336.72 密度：N/A 沸点：N/A 熔点：N/A	1119211-63-0	C₁₂H₈ClF₃N₂O₂S
[1-[(2-Methylcyclohexyl)amino]-1-oxopropan-2-yl] 5,6-dichloropyridine-3-carboxylate	[1-[(2-Methylcyclohexyl)amino]-1-oxopropan-2-yl] 5,6-dichloropyridine-3-carboxylate	分子量：359.2 密度：N/A 沸点：N/A 熔点：N/A	1212207-07-2	C₁₆H₂₀Cl₂N₂O₃
1-(Benzyloxy)-4-(bromomethyl)-2-ethoxybenzene	1-(Benzyloxy)-4-(bromomethyl)-2-ethoxybenzene	分子量：321.21 密度：N/A 沸点：N/A 熔点：N/A	1097082-37-5	C₁₆H₁₇BrO₂
N,N-Dibenzyl-5-(bromomethyl)-4,5-dihydrothiazol-2-amine	N,N-Dibenzyl-5-(bromomethyl)-4,5-dihydrothiazol-2-amine	分子量：375.3 密度：N/A 沸点：N/A 熔点：N/A	1030620-17-7	C₁₈H₁₉BrN₂S
(1-Methoxypropan-2-yl)[(2,4,6-trimethylphenyl)methyl]amine	(1-Methoxypropan-2-yl)[(2,4,6-trimethylphenyl)methyl]amine	分子量：221.34 密度：N/A 沸点：N/A 熔点：N/A	1019480-08-0	C₁₄H₂₃NO
N-[(2,5-dimethoxyphenyl)methyl]-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide	N-[(2,5-dimethoxyphenyl)methyl]-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide	分子量：384.4 密度：N/A 沸点：N/A 熔点：N/A	1252906-94-7	C₂₁H₂₄N₂O₅
7-Methyl-N-[3-[(1-oxopropyl)amino]phenyl]imidazo[1,2-a]pyridine-2-carboxamide	7-Methyl-N-[3-[(1-oxopropyl)amino]phenyl]imidazo[1,2-a]pyridine-2-carboxamide	分子量：322.4 密度：N/A 沸点：N/A 熔点：N/A	1223433-31-5	C₁₈H₁₈N₄O₂
(4-((3-Chloro-4-methylphenyl)amino)quinolin-2-yl)(piperidin-1-yl)methanone	(4-((3-Chloro-4-methylphenyl)amino)quinolin-2-yl)(piperidin-1-yl)methanone	分子量：379.9 密度：N/A 沸点：N/A 熔点：N/A	1207043-19-3	C₂₂H₂₂ClN₃O
2-{[(4-bromophenyl)methyl]amino}-N,N-dimethylacetamide	2-{[(4-bromophenyl)methyl]amino}-N,N-dimethylacetamide	分子量：271.15 密度：N/A 沸点：N/A 熔点：N/A	1095558-43-2	C₁₁H₁₅BrN₂O
ethyl 1-(3-(4-chlorophenyl)-5-methyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carbonyl)piperidine-4-carboxylate	ethyl 1-(3-(4-chlorophenyl)-5-methyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carbonyl)piperidine-4-carboxylate	分子量：458.9 密度：N/A 沸点：N/A 熔点：N/A	921806-24-8	C₂₂H₂₃ClN₄O₅
3-(2-Bromo-5-chlorophenyl)-3-oxopropanenitrile	3-(2-Bromo-5-chlorophenyl)-3-oxopropanenitrile	分子量：258.50 密度：N/A 沸点：N/A 熔点：N/A	1257230-31-1	C₉H₅BrClNO
1-(1-Oxopropyl)-3-azetidinecarbonyl chloride	1-(1-Oxopropyl)-3-azetidinecarbonyl chloride	分子量：175.61 密度：N/A 沸点：N/A 熔点：N/A	1008304-88-8	C₇H₁₀ClNO₂
(1R)-1-[2-(propan-2-yl)-1,3-thiazol-5-yl]ethan-1-amine	(1R)-1-[2-(propan-2-yl)-1,3-thiazol-5-yl]ethan-1-amine	分子量：170.28 密度：N/A 沸点：N/A 熔点：N/A	2227873-59-6	C₈H₁₄N₂S
2-(8-(benzyl(isopropyl)amino)-3-methyl-2,6-dioxo-2,3-dihydro-1H-purin-7(6H)-yl)acetic acid	2-(8-(benzyl(isopropyl)amino)-3-methyl-2,6-dioxo-2,3-dihydro-1H-purin-7(6H)-yl)acetic acid	分子量：371.4 密度：N/A 沸点：N/A 熔点：N/A	1251560-69-6	C₁₈H₂₁N₅O₄
[1-(4-Ethylphenyl)ethyl](propan-2-yl)amine	[1-(4-Ethylphenyl)ethyl](propan-2-yl)amine	分子量：191.31 密度：N/A 沸点：N/A 熔点：N/A	1019498-98-6	C₁₃H₂₁N
(2-Methoxyethyl)(1-phenylbutyl)amine	(2-Methoxyethyl)(1-phenylbutyl)amine	分子量：207.31 密度：N/A 沸点：N/A 熔点：N/A	1019604-75-1	C₁₃H₂₁NO
N-(butan-2-yl)-4-methylcyclohexan-1-amine	N-(butan-2-yl)-4-methylcyclohexan-1-amine	分子量：169.31 密度：N/A 沸点：N/A 熔点：N/A	1592005-34-9	C₁₁H₂₃N
Pyrazin-2-yl(3-(5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone	Pyrazin-2-yl(3-(5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone	分子量：341.4 密度：N/A 沸点：N/A 熔点：N/A	1226440-11-4	C₁₆H₁₅N₅O₂S
(E)-2-(1-(styrylsulfonyl)piperidin-3-yl)-5-(thiophen-2-yl)-1,3,4-oxadiazole	(E)-2-(1-(styrylsulfonyl)piperidin-3-yl)-5-(thiophen-2-yl)-1,3,4-oxadiazole	分子量：401.5 密度：N/A 沸点：N/A 熔点：N/A	1226487-92-8	C₁₉H₁₉N₃O₃S₂
(2-Methylpropyl)[1-(pyridin-3-YL)ethyl]amine	(2-Methylpropyl)[1-(pyridin-3-YL)ethyl]amine	分子量：178.27 密度：N/A 沸点：N/A 熔点：N/A	1019628-91-1	C₁₁H₁₈N₂
(2-Methylpropyl)[1-(thiophen-2-YL)ethyl]amine	(2-Methylpropyl)[1-(thiophen-2-YL)ethyl]amine	分子量：183.32 密度：N/A 沸点：N/A 熔点：N/A	1019480-92-2	C₁₀H₁₇NS
4-Fluoro-I+/--methyl-N-(2-methylpropyl)benzenemethanamine	4-Fluoro-I+/--methyl-N-(2-methylpropyl)benzenemethanamine	分子量：195.28 密度：N/A 沸点：N/A 熔点：N/A	766529-21-9	C₁₂H₁₈FN
6-Hydroxybenzo[B]Thiophene 1,1-Dioxide	6-Hydroxybenzo[B]Thiophene 1,1-Dioxide	分子量：182.20 密度：N/A 沸点：N/A 熔点：N/A	19163-43-0	C₈H₆O₃S
5-ethyl-3-oxo-N-(4-sulfamoylphenethyl)-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide	5-ethyl-3-oxo-N-(4-sulfamoylphenethyl)-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide	分子量：389.4 密度：N/A 沸点：N/A 熔点：N/A	1226450-11-8	C₁₇H₁₉N₅O₄S
5-benzyl-N-(4,5-dihydrothiazol-2-yl)-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide	5-benzyl-N-(4,5-dihydrothiazol-2-yl)-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide	分子量：353.4 密度：N/A 沸点：N/A 熔点：N/A	1219906-10-1	C₁₇H₁₅N₅O₂S
2-(((3-(3-bromophenyl)-1,2,4-oxadiazol-5-yl)methyl)thio)-3-(3-methoxypropyl)quinazolin-4(3H)-one	2-(((3-(3-bromophenyl)-1,2,4-oxadiazol-5-yl)methyl)thio)-3-(3-methoxypropyl)quinazolin-4(3H)-one	分子量：487.4 密度：N/A 沸点：N/A 熔点：N/A	946328-88-7	C₂₁H₁₉BrN₄O₃S
2-(3-(4-isopropylphenyl)-2-oxoimidazolidin-1-yl)-N-(quinolin-8-yl)acetamide	2-(3-(4-isopropylphenyl)-2-oxoimidazolidin-1-yl)-N-(quinolin-8-yl)acetamide	分子量：388.5 密度：N/A 沸点：N/A 熔点：N/A	1251699-15-6	C₂₃H₂₄N₄O₂
3-(thiophene-2-carbonyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-one	3-(thiophene-2-carbonyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-one	分子量：300.4 密度：N/A 沸点：N/A 熔点：N/A	1219906-70-3	C₁₆H₁₆N₂O₂S
(2R)-1-(2-ethoxyphenoxy)propan-2-amine	(2R)-1-(2-ethoxyphenoxy)propan-2-amine	分子量：195.26 密度：N/A 沸点：N/A 熔点：N/A	1225666-59-0	C₁₁H₁₇NO₂
2-(benzylthio)-N-(2-(6-oxopyridazin-1(6H)-yl)ethyl)acetamide	2-(benzylthio)-N-(2-(6-oxopyridazin-1(6H)-yl)ethyl)acetamide	分子量：303.4 密度：N/A 沸点：N/A 熔点：N/A	1021206-32-5	C₁₅H₁₇N₃O₂S
3,6-dichloro-N-[1-(4-methylbenzenesulfonyl)piperidin-4-yl]pyridine-2-carboxamide	3,6-dichloro-N-[1-(4-methylbenzenesulfonyl)piperidin-4-yl]pyridine-2-carboxamide	分子量：428.3 密度：N/A 沸点：N/A 熔点：N/A	1119244-75-5	C₁₈H₁₉Cl₂N₃O₃S
2-Cyano-3-oxo-N-(p-tolyl)butanamide	2-Cyano-3-oxo-N-(p-tolyl)butanamide	分子量：216.24 密度：N/A 沸点：N/A 熔点：N/A	861523-97-9	C₁₂H₁₂N₂O₂
(2R)-2-(3-phenylpropanamido)propanoic acid	(2R)-2-(3-phenylpropanamido)propanoic acid	分子量：221.25 密度：N/A 沸点：N/A 熔点：N/A	1308958-74-8	C₁₂H₁₅NO₃