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
3,4-Dimethoxybenzaldehyde O-[[7-(2-hydroxyethyl)-8,9-dimethyl-7H-pyrrolo[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl]methyl]oxime	3,4-Dimethoxybenzaldehyde O-[[7-(2-hydroxyethyl)-8,9-dimethyl-7H-pyrrolo[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl]methyl]oxime	分子量：424.5 密度：N/A 沸点：N/A 熔点：N/A	929813-75-2	C₂₁H₂₄N₆O₄
N-[3-(4-methoxybenzyl)-1H-1,2,4-triazol-5-yl]-1-(2-methylpropyl)-5-oxopyrrolidine-3-carboxamide	N-[3-(4-methoxybenzyl)-1H-1,2,4-triazol-5-yl]-1-(2-methylpropyl)-5-oxopyrrolidine-3-carboxamide	分子量：371.4 密度：N/A 沸点：N/A 熔点：N/A	1574464-94-0	C₁₉H₂₅N₅O₃
2-Amino-4-chloro-5-dimethylamino-n-hydroxy-benzamidine	2-Amino-4-chloro-5-dimethylamino-n-hydroxy-benzamidine	分子量：228.68 密度：N/A 沸点：N/A 熔点：N/A	1083421-67-3	C₉H₁₃ClN₄O
5-Cyclopropoxy-4-isopropyl-2-(methylthio)pyridine	5-Cyclopropoxy-4-isopropyl-2-(methylthio)pyridine	分子量：223.34 密度：N/A 沸点：N/A 熔点：N/A	1243444-66-7	C₁₂H₁₇NOS
5-Ethenyl-1,6-naphthyridine	5-Ethenyl-1,6-naphthyridine	分子量：156.18 密度：N/A 沸点：N/A 熔点：N/A	1824099-85-5	C₁₀H₈N₂
5-(Acetylamino)-1,2,3-thiadiazole-4-carboxylic acid	5-(Acetylamino)-1,2,3-thiadiazole-4-carboxylic acid	分子量：187.18 密度：N/A 沸点：N/A 熔点：N/A	1416447-93-2	C₅H₅N₃O₃S
5-Cyclopropoxy-4-fluoro-2-(methylthio)pyridine	5-Cyclopropoxy-4-fluoro-2-(methylthio)pyridine	分子量：199.25 密度：N/A 沸点：N/A 熔点：N/A	1243398-05-1	C₉H₁₀FNOS
3-[3-(1H-indol-6-yl)-1,2,4-oxadiazol-5-yl]-N-(pyridin-4-ylmethyl)propanamide	3-[3-(1H-indol-6-yl)-1,2,4-oxadiazol-5-yl]-N-(pyridin-4-ylmethyl)propanamide	分子量：347.4 密度：N/A 沸点：N/A 熔点：N/A	1401537-98-1	C₁₉H₁₇N₅O₂
N-(1-methyl-1H-indol-5-yl)tetrazolo[1,5-a]pyridine-7-carboxamide	N-(1-methyl-1H-indol-5-yl)tetrazolo[1,5-a]pyridine-7-carboxamide	分子量：292.30 密度：N/A 沸点：N/A 熔点：N/A	1435976-28-5	C₁₅H₁₂N₆O
N-[3-(1H-benzimidazol-2-yl)propyl]-5-methoxy-1-(propan-2-yl)-1H-indole-3-carboxamide	N-[3-(1H-benzimidazol-2-yl)propyl]-5-methoxy-1-(propan-2-yl)-1H-indole-3-carboxamide	分子量：390.5 密度：N/A 沸点：N/A 熔点：N/A	1401591-48-7	C₂₃H₂₆N₄O₂
3-Bromo-1-methyl-2-naphthalenol	3-Bromo-1-methyl-2-naphthalenol	分子量：237.09 密度：N/A 沸点：N/A 熔点：N/A	59340-18-0	C₁₁H₉BrO
2-methyl-N-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]-1H-benzimidazole-5-carboxamide	2-methyl-N-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]-1H-benzimidazole-5-carboxamide	分子量：315.4 密度：N/A 沸点：N/A 熔点：N/A	1574465-56-7	C₁₅H₁₇N₅OS
tert-butyl N-[1-hydroxy-1-(3-methoxyphenyl)propan-2-yl]carbamate	tert-butyl N-[1-hydroxy-1-(3-methoxyphenyl)propan-2-yl]carbamate	分子量：281.35 密度：N/A 沸点：N/A 熔点：N/A	2274889-17-5	C₁₅H₂₃NO₄
1-(3-Ethynylphenyl)ethan-1-amine	1-(3-Ethynylphenyl)ethan-1-amine	分子量：145.20 密度：N/A 沸点：N/A 熔点：N/A	1849274-26-5	C₁₀H₁₁N
3-Pyridinecarboxamide,5-bromo-n-[2-(2,6-dichlorophenoxy)ethyl]-n-(phenylmethyl)-	3-Pyridinecarboxamide,5-bromo-n-[2-(2,6-dichlorophenoxy)ethyl]-n-(phenylmethyl)-	分子量：480.2 密度：N/A 沸点：N/A 熔点：N/A	106876-86-2	C₂₁H₁₇BrCl₂N₂O₂
N-[2-(1H-indol-1-yl)ethyl]tetrazolo[1,5-a]pyridine-6-carboxamide	N-[2-(1H-indol-1-yl)ethyl]tetrazolo[1,5-a]pyridine-6-carboxamide	分子量：306.32 密度：N/A 沸点：N/A 熔点：N/A	1401534-14-2	C₁₆H₁₄N₆O
N-[2-(1,3-thiazol-2-yl)ethyl]tetrazolo[1,5-a]pyridine-6-carboxamide	N-[2-(1,3-thiazol-2-yl)ethyl]tetrazolo[1,5-a]pyridine-6-carboxamide	分子量：274.30 密度：N/A 沸点：N/A 熔点：N/A	1401575-60-7	C₁₁H₁₀N₆OS
N-[1-(3,4-dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl]acetamide	N-[1-(3,4-dimethylphenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl]acetamide	分子量：297.28 密度：N/A 沸点：N/A 熔点：N/A	1245772-75-1	C₁₄H₁₄F₃N₃O
N-[2-(6,7-dimethoxy-2-methyl-4-oxoquinazolin-3(4H)-yl)ethyl]cyclopropanecarboxamide	N-[2-(6,7-dimethoxy-2-methyl-4-oxoquinazolin-3(4H)-yl)ethyl]cyclopropanecarboxamide	分子量：331.4 密度：N/A 沸点：N/A 熔点：N/A	1435989-97-1	C₁₇H₂₁N₃O₄
N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)methyl]tetrazolo[1,5-a]pyridine-6-carboxamide	N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)methyl]tetrazolo[1,5-a]pyridine-6-carboxamide	分子量：285.30 密度：N/A 沸点：N/A 熔点：N/A	1401566-07-1	C₁₃H₁₅N₇O
N-[5-methoxy-2-(2-oxopyrrolidin-1-yl)phenyl]tetrazolo[1,5-a]pyridine-7-carboxamide	N-[5-methoxy-2-(2-oxopyrrolidin-1-yl)phenyl]tetrazolo[1,5-a]pyridine-7-carboxamide	分子量：352.3 密度：N/A 沸点：N/A 熔点：N/A	1401591-37-4	C₁₇H₁₆N₆O₃
2-(1-Benzylazetidin-3-yl)ethanethiol	2-(1-Benzylazetidin-3-yl)ethanethiol	分子量：207.34 密度：N/A 沸点：N/A 熔点：N/A	1420860-09-8	C₁₂H₁₇NS
3-(1-Benzylpiperidin-3-yl)propane-1-thiol	3-(1-Benzylpiperidin-3-yl)propane-1-thiol	分子量：249.4 密度：N/A 沸点：N/A 熔点：N/A	1420894-66-1	C₁₅H₂₃NS
5-Amino-1,6-naphthyridine-8-carboxylic acid	5-Amino-1,6-naphthyridine-8-carboxylic acid	分子量：189.17 密度：N/A 沸点：N/A 熔点：N/A	1558143-80-8	C₉H₇N₃O₂
N-(1-{2-[4-(4-chlorophenyl)-4-hydroxypiperidino]-2-oxoethyl}-1H-indol-4-yl)acetamide	N-(1-{2-[4-(4-chlorophenyl)-4-hydroxypiperidino]-2-oxoethyl}-1H-indol-4-yl)acetamide	分子量：425.9 密度：N/A 沸点：N/A 熔点：N/A	1574481-80-3	C₂₃H₂₄ClN₃O₃
N-[2-(cyclohex-1-en-1-yl)ethyl]-2-[4-(1H-tetrazol-1-yl)phenyl]acetamide	N-[2-(cyclohex-1-en-1-yl)ethyl]-2-[4-(1H-tetrazol-1-yl)phenyl]acetamide	分子量：311.4 密度：N/A 沸点：N/A 熔点：N/A	1574307-95-1	C₁₇H₂₁N₅O
5,6-dimethoxy-1-methyl-N-(5-(tetrahydrofuran-2-yl)-1,3,4-thiadiazol-2-yl)-1H-indole-2-carboxamide	5,6-dimethoxy-1-methyl-N-(5-(tetrahydrofuran-2-yl)-1,3,4-thiadiazol-2-yl)-1H-indole-2-carboxamide	分子量：388.4 密度：N/A 沸点：N/A 熔点：N/A	1574307-56-4	C₁₈H₂₀N₄O₄S
N-[1-(4-fluorobenzyl)piperidin-4-yl]-5,6-dimethoxy-1-methyl-1H-indole-2-carboxamide	N-[1-(4-fluorobenzyl)piperidin-4-yl]-5,6-dimethoxy-1-methyl-1H-indole-2-carboxamide	分子量：425.5 密度：N/A 沸点：N/A 熔点：N/A	1574493-26-7	C₂₄H₂₈FN₃O₃
N-[2-(1H-1,3-benzimidazol-2-yl)ethyl]-5-chloro-1-methyl-1H-indole-2-carboxamide	N-[2-(1H-1,3-benzimidazol-2-yl)ethyl]-5-chloro-1-methyl-1H-indole-2-carboxamide	分子量：352.8 密度：N/A 沸点：N/A 熔点：N/A	1574492-90-2	C₁₉H₁₇ClN₄O
N-[3-(2-methoxyethyl)-4-oxo-3,4-dihydroquinazolin-6-yl]cyclopropanecarboxamide	N-[3-(2-methoxyethyl)-4-oxo-3,4-dihydroquinazolin-6-yl]cyclopropanecarboxamide	分子量：287.31 密度：N/A 沸点：N/A 熔点：N/A	1574495-72-9	C₁₅H₁₇N₃O₃
Methyl 2-{[3-(3,5-dimethyl-1,2-oxazol-4-yl)propanoyl]amino}-5-(3-fluorophenyl)-1,3-thiazole-4-carboxylate	Methyl 2-{[3-(3,5-dimethyl-1,2-oxazol-4-yl)propanoyl]amino}-5-(3-fluorophenyl)-1,3-thiazole-4-carboxylate	分子量：403.4 密度：N/A 沸点：N/A 熔点：N/A	1574479-93-8	C₁₉H₁₈FN₃O₄S
N-[5-(1H-benzimidazol-2-yl)pentyl]-2-(1H-tetrazol-1-yl)benzamide	N-[5-(1H-benzimidazol-2-yl)pentyl]-2-(1H-tetrazol-1-yl)benzamide	分子量：375.4 密度：N/A 沸点：N/A 熔点：N/A	1574492-79-7	C₂₀H₂₁N₇O
5-Amino-4-(trifluoromethyl)-1,6-naphthyridine-8-carboxylic acid	5-Amino-4-(trifluoromethyl)-1,6-naphthyridine-8-carboxylic acid	分子量：257.17 密度：N/A 沸点：N/A 熔点：N/A	1956377-39-1	C₁₀H₆F₃N₃O₂
N-(3-morpholinopropyl)-3-(2-pyrimidinylamino)benzamide	N-(3-morpholinopropyl)-3-(2-pyrimidinylamino)benzamide	分子量：341.4 密度：N/A 沸点：N/A 熔点：N/A	1436002-01-5	C₁₈H₂₃N₅O₂
5-Aminothiazole-4-carbaldehyde	5-Aminothiazole-4-carbaldehyde	分子量：128.15 密度：N/A 沸点：N/A 熔点：N/A	1823328-96-6	C₄H₄N₂OS
5-Bromo-2-(4-fluorophenyl)-1H-indole-3-carboxylic acid	5-Bromo-2-(4-fluorophenyl)-1H-indole-3-carboxylic acid	分子量：334.14 密度：N/A 沸点：N/A 熔点：N/A	1956377-34-6	C₁₅H₉BrFNO₂
N-(1-benzylpiperidin-4-yl)-5,6-dimethoxy-1-methyl-1H-indole-2-carboxamide	N-(1-benzylpiperidin-4-yl)-5,6-dimethoxy-1-methyl-1H-indole-2-carboxamide	分子量：407.5 密度：N/A 沸点：N/A 熔点：N/A	1574481-34-7	C₂₄H₂₉N₃O₃
5-Bromo-2-(4-fluorophenyl)pyrazolo[1,5-A]pyridine-3-carboxylic acid	5-Bromo-2-(4-fluorophenyl)pyrazolo[1,5-A]pyridine-3-carboxylic acid	分子量：335.13 密度：N/A 沸点：N/A 熔点：N/A	1956386-33-6	C₁₄H₈BrFN₂O₂
5-Bromo-3-(tert-butyl)isothiazole-4-carbonitrile	5-Bromo-3-(tert-butyl)isothiazole-4-carbonitrile	分子量：245.14 密度：N/A 沸点：N/A 熔点：N/A	1823924-60-2	C₈H₉BrN₂S
N-[2-(2-methylpropyl)-1H-benzimidazol-6-yl]-4-([1,2,4]triazolo[4,3-a]pyridin-3-yl)butanamide	N-[2-(2-methylpropyl)-1H-benzimidazol-6-yl]-4-([1,2,4]triazolo[4,3-a]pyridin-3-yl)butanamide	分子量：376.5 密度：N/A 沸点：N/A 熔点：N/A	1574336-67-6	C₂₁H₂₄N₆O
N-(8-chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-3,4-dimethoxybenzamide	N-(8-chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-3,4-dimethoxybenzamide	分子量：384.9 密度：N/A 沸点：N/A 熔点：N/A	1574405-61-0	C₂₁H₂₁ClN₂O₃
4-phenyl-N-[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)propyl]tetrahydro-2H-pyran-4-carboxamide	4-phenyl-N-[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)propyl]tetrahydro-2H-pyran-4-carboxamide	分子量：364.4 密度：N/A 沸点：N/A 熔点：N/A	1401536-49-9	C₂₁H₂₄N₄O₂
3,12-Diimino-N1,N14-diphenyl-2,4,11,13-tetraazatetradecanediamide	3,12-Diimino-N1,N14-diphenyl-2,4,11,13-tetraazatetradecanediamide	分子量：438.5 密度：N/A 沸点：N/A 熔点：N/A	62247-62-5	C₂₂H₃₀N₈O₂
N-(6-chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)isonicotinamide	N-(6-chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)isonicotinamide	分子量：325.8 密度：N/A 沸点：N/A 熔点：N/A	1574325-84-0	C₁₈H₁₆ClN₃O
4-((1,4,5,6-Tetrahydropyrimidin-2-ylthio)methyl)benzonitrile hydrobromide	4-((1,4,5,6-Tetrahydropyrimidin-2-ylthio)methyl)benzonitrile hydrobromide	分子量：312.23 密度：N/A 沸点：N/A 熔点：N/A	258347-79-4	C₁₂H₁₄BrN₃S
5-Bromo-7-methyl-7H-pyrrolo[2,3-D]pyrimidine-4-carboxylic acid	5-Bromo-7-methyl-7H-pyrrolo[2,3-D]pyrimidine-4-carboxylic acid	分子量：256.06 密度：N/A 沸点：N/A 熔点：N/A	1823900-35-1	C₈H₆BrN₃O₂
N-(1-{2-[4-(4-fluorophenyl)piperazino]-2-oxoethyl}-1H-indol-4-yl)acetamide	N-(1-{2-[4-(4-fluorophenyl)piperazino]-2-oxoethyl}-1H-indol-4-yl)acetamide	分子量：394.4 密度：N/A 沸点：N/A 熔点：N/A	1574325-68-0	C₂₂H₂₃FN₄O₂
5-Methoxy-2-(piperidin-2-YL)pyridine	5-Methoxy-2-(piperidin-2-YL)pyridine	分子量：192.26 密度：N/A 沸点：N/A 熔点：N/A	1784309-40-5	C₁₁H₁₆N₂O
5-Methyl-1H-thieno[3,2-C]pyrazole	5-Methyl-1H-thieno[3,2-C]pyrazole	分子量：138.19 密度：N/A 沸点：N/A 熔点：N/A	1934934-42-5	C₆H₆N₂S
3-[(4,6-Dimethyl-2-pyrimidinyl)amino]-1-(2-phenylmorpholino)-1-propanone	3-[(4,6-Dimethyl-2-pyrimidinyl)amino]-1-(2-phenylmorpholino)-1-propanone	分子量：340.4 密度：N/A 沸点：N/A 熔点：N/A	1401577-11-4	C₁₉H₂₄N₄O₂