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-(1H-pyrrol-1-yl)thieno[2,3-b]pyridine-2-carboxylic acid	3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridine-2-carboxylic acid	分子量：244.27 密度：N/A 沸点：N/A 熔点：N/A	1242874-27-6	C₁₂H₈N₂O₂S
{[1-(4-Methoxybenzoyl)-2,3-dihydro-1H-indol-6-yl]methyl}amine	{[1-(4-Methoxybenzoyl)-2,3-dihydro-1H-indol-6-yl]methyl}amine	分子量：282.34 密度：N/A 沸点：N/A 熔点：N/A	1243101-84-9	C₁₇H₁₈N₂O₂
{[1-(4-Chlorobenzoyl)-2,3-dihydro-1H-indol-6-yl]methyl}amine	{[1-(4-Chlorobenzoyl)-2,3-dihydro-1H-indol-6-yl]methyl}amine	分子量：286.75 密度：N/A 沸点：N/A 熔点：N/A	1242894-40-1	C₁₆H₁₅ClN₂O
{[1-(4-Methylbenzoyl)-2,3-dihydro-1H-indol-6-yl]methyl}amine	{[1-(4-Methylbenzoyl)-2,3-dihydro-1H-indol-6-yl]methyl}amine	分子量：266.34 密度：N/A 沸点：N/A 熔点：N/A	1242887-47-3	C₁₇H₁₈N₂O
3-Ethyl-1-phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carbonitrile	3-Ethyl-1-phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carbonitrile	分子量：262.31 密度：N/A 沸点：N/A 熔点：N/A	1242898-81-2	C₁₆H₁₄N₄
3-amino-N-(4,5-dihydro-1,3-thiazol-2-yl)benzamide	3-amino-N-(4,5-dihydro-1,3-thiazol-2-yl)benzamide	分子量：221.28 密度：N/A 沸点：N/A 熔点：N/A	1224167-60-5	C₁₀H₁₁N₃OS
6-Methyl-3-[(4-methylphenyl)thio]-1H-indole-2-carboxylic acid	6-Methyl-3-[(4-methylphenyl)thio]-1H-indole-2-carboxylic acid	分子量：297.4 密度：N/A 沸点：N/A 熔点：N/A	1243075-84-4	C₁₇H₁₅NO₂S
4-(4-Methylpiperidin-1-yl)-3-[(4-methylpiperidin-1-yl)sulfonyl]benzoic acid	4-(4-Methylpiperidin-1-yl)-3-[(4-methylpiperidin-1-yl)sulfonyl]benzoic acid	分子量：380.5 密度：N/A 沸点：N/A 熔点：N/A	1242901-41-2	C₁₉H₂₈N₂O₄S
{[6-Ethyl-2-(1H-pyrrol-1-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-3-yl]methyl}amine	{[6-Ethyl-2-(1H-pyrrol-1-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-3-yl]methyl}amine	分子量：261.39 密度：N/A 沸点：N/A 熔点：N/A	1242928-21-7	C₁₄H₁₉N₃S
tert-Butyl 4-({[(2-methyl-1,3-thiazol-4-yl)methyl]amino}carbonyl)-1,3-thiazolidine-3-carboxylate	tert-Butyl 4-({[(2-methyl-1,3-thiazol-4-yl)methyl]amino}carbonyl)-1,3-thiazolidine-3-carboxylate	分子量：343.5 密度：N/A 沸点：N/A 熔点：N/A	1265962-95-5	C₁₄H₂₁N₃O₃S₂
[(5-{[(3-Chlorophenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)thio]acetic acid	[(5-{[(3-Chlorophenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)thio]acetic acid	分子量：329.8 密度：N/A 沸点：N/A 熔点：N/A	1242951-47-8	C₁₁H₈ClN₃O₃S₂
3-Formyl-6-methoxy-1-(2-methylbenzyl)-1H-indole-2-carboxylic acid	3-Formyl-6-methoxy-1-(2-methylbenzyl)-1H-indole-2-carboxylic acid	分子量：323.3 密度：N/A 沸点：N/A 熔点：N/A	1242889-04-8	C₁₉H₁₇NO₄
{[1-(4-Methoxybenzoyl)-2-methyl-2,3-dihydro-1H-indol-6-yl]methyl}amine	{[1-(4-Methoxybenzoyl)-2-methyl-2,3-dihydro-1H-indol-6-yl]methyl}amine	分子量：296.4 密度：N/A 沸点：N/A 熔点：N/A	1242910-27-5	C₁₈H₂₀N₂O₂
4-[(3-methyl-2-oxoquinoxalin-1(2H)-yl)methyl]benzoic acid	4-[(3-methyl-2-oxoquinoxalin-1(2H)-yl)methyl]benzoic acid	分子量：294.30 密度：N/A 沸点：N/A 熔点：N/A	1243051-64-0	C₁₇H₁₄N₂O₃
1-{[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1,4-diazepane	1-{[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1,4-diazepane	分子量：318.37 密度：N/A 沸点：N/A 熔点：N/A	1243100-90-4	C₁₆H₂₂N₄O₃
[4-[1-(3,4-Dimethylphenyl)-1H-pyrazol-4-yl]-3,6-dihydropyridin-1(2H)-yl]acetic acid	[4-[1-(3,4-Dimethylphenyl)-1H-pyrazol-4-yl]-3,6-dihydropyridin-1(2H)-yl]acetic acid	分子量：311.4 密度：N/A 沸点：N/A 熔点：N/A	1243081-69-7	C₁₈H₂₁N₃O₂
3-Formyl-6-methoxy-1-(4-methoxybenzyl)-1H-indole-2-carboxylic acid	3-Formyl-6-methoxy-1-(4-methoxybenzyl)-1H-indole-2-carboxylic acid	分子量：339.3 密度：N/A 沸点：N/A 熔点：N/A	1244855-45-5	C₁₉H₁₇NO₅
3-Formyl-6-methoxy-1-(4-methylbenzyl)-1H-indole-2-carboxylic acid	3-Formyl-6-methoxy-1-(4-methylbenzyl)-1H-indole-2-carboxylic acid	分子量：323.3 密度：N/A 沸点：N/A 熔点：N/A	1243089-67-9	C₁₉H₁₇NO₄
4-{4-[(4-Ethylphenyl)sulfonyl]-1-piperazinyl}-6-methyl-2-(1-pyrrolidinyl)pyrimidine	4-{4-[(4-Ethylphenyl)sulfonyl]-1-piperazinyl}-6-methyl-2-(1-pyrrolidinyl)pyrimidine	分子量：415.6 密度：N/A 沸点：N/A 熔点：N/A	1269004-47-8	C₂₁H₂₉N₅O₂S
8'-Chloro-5'H-spiro[piperidine-4,4'-pyrrolo[1,2-a]quinoxaline]	8'-Chloro-5'H-spiro[piperidine-4,4'-pyrrolo[1,2-a]quinoxaline]	分子量：273.76 密度：N/A 沸点：N/A 熔点：N/A	1243103-30-1	C₁₅H₁₆ClN₃
8',9'-Dimethyl-5'H-spiro[piperidine-4,4'-pyrrolo[1,2-a]quinoxaline]	8',9'-Dimethyl-5'H-spiro[piperidine-4,4'-pyrrolo[1,2-a]quinoxaline]	分子量：267.37 密度：N/A 沸点：N/A 熔点：N/A	1242929-94-7	C₁₇H₂₁N₃
[4-[1-(4-Fluorophenyl)-1H-pyrazol-4-yl]-3,6-dihydropyridin-1(2H)-yl]acetic acid	[4-[1-(4-Fluorophenyl)-1H-pyrazol-4-yl]-3,6-dihydropyridin-1(2H)-yl]acetic acid	分子量：301.31 密度：N/A 沸点：N/A 熔点：N/A	1242882-03-6	C₁₆H₁₆FN₃O₂
1-(2-Chloro-4-fluorobenzyl)-3-formyl-6-methoxy-1H-indole-2-carboxylic acid	1-(2-Chloro-4-fluorobenzyl)-3-formyl-6-methoxy-1H-indole-2-carboxylic acid	分子量：361.7 密度：N/A 沸点：N/A 熔点：N/A	1243023-71-3	C₁₈H₁₃ClFNO₄
3-Formyl-6-methoxy-1-(4-vinylbenzyl)-1H-indole-2-carboxylic acid	3-Formyl-6-methoxy-1-(4-vinylbenzyl)-1H-indole-2-carboxylic acid	分子量：335.4 密度：N/A 沸点：N/A 熔点：N/A	1242881-22-6	C₂₀H₁₇NO₄
3-Formyl-1-(4-methoxybenzyl)-1H-indole-2-carboxylic acid	3-Formyl-1-(4-methoxybenzyl)-1H-indole-2-carboxylic acid	分子量：309.3 密度：N/A 沸点：N/A 熔点：N/A	1242891-83-3	C₁₈H₁₅NO₄
{[3-Ethyl-1-phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl]methyl}amine	{[3-Ethyl-1-phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl]methyl}amine	分子量：266.34 密度：N/A 沸点：N/A 熔点：N/A	1243057-55-7	C₁₆H₁₈N₄
4-Benzyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine	4-Benzyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine	分子量：225.29 密度：N/A 沸点：N/A 熔点：N/A	1242926-71-1	C₁₄H₁₅N₃
1-(4-Ethoxyphenyl)-2,5-dimethyl-1H-pyrrole-3-carbonitrile	1-(4-Ethoxyphenyl)-2,5-dimethyl-1H-pyrrole-3-carbonitrile	分子量：240.30 密度：N/A 沸点：N/A 熔点：N/A	1181778-98-2	C₁₅H₁₆N₂O
methyl 5-methyl-3-(2-oxopyrrolidin-1-yl)-1H-indole-2-carboxylate	methyl 5-methyl-3-(2-oxopyrrolidin-1-yl)-1H-indole-2-carboxylate	分子量：272.30 密度：N/A 沸点：N/A 熔点：N/A	1243063-86-6	C₁₅H₁₆N₂O₃
1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid	1-(4-Ethyl-3-oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid	分子量：301.34 密度：N/A 沸点：N/A 熔点：N/A	1242874-77-6	C₁₆H₁₉N₃O₃
(3,6,7-Trimethyl-2-oxoquinoxalin-1(2H)-yl)acetic acid	(3,6,7-Trimethyl-2-oxoquinoxalin-1(2H)-yl)acetic acid	分子量：246.26 密度：N/A 沸点：N/A 熔点：N/A	1242994-41-7	C₁₃H₁₄N₂O₃
Ethyl 3-[1-(4-fluorophenyl)-1H-pyrazol-4-yl]-1,2,4-oxadiazole-5-carboxylate	Ethyl 3-[1-(4-fluorophenyl)-1H-pyrazol-4-yl]-1,2,4-oxadiazole-5-carboxylate	分子量：302.26 密度：N/A 沸点：N/A 熔点：N/A	1242885-75-1	C₁₄H₁₁FN₄O₃
1-{3-[(6,7-dimethoxy-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)methyl]-4-methoxyphenyl}-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylic acid	1-{3-[(6,7-dimethoxy-1-methyl-3,4-dihydroisoquinolin-2(1H)-yl)methyl]-4-methoxyphenyl}-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylic acid	分子量：541.6 密度：N/A 沸点：N/A 熔点：N/A	1265962-96-6	C₃₂H₃₅N₃O₅
Isobutyl 4-[(5-formyl-2-methoxybenzyl)oxy]benzoate	Isobutyl 4-[(5-formyl-2-methoxybenzyl)oxy]benzoate	分子量：342.4 密度：N/A 沸点：N/A 熔点：N/A	933829-40-4	C₂₀H₂₂O₅
3-{[4-(4-Fluorophenyl)piperazin-1-yl]methyl}-4-methoxybenzaldehyde	3-{[4-(4-Fluorophenyl)piperazin-1-yl]methyl}-4-methoxybenzaldehyde	分子量：328.4 密度：N/A 沸点：N/A 熔点：N/A	933829-43-7	C₁₉H₂₁FN₂O₂
4-Hydroxy-2'-[(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)sulfonyl]-4'-sulfobiphenyl-3-carboxylic acid	4-Hydroxy-2'-[(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)sulfonyl]-4'-sulfobiphenyl-3-carboxylic acid	分子量：454.4 密度：N/A 沸点：N/A 熔点：N/A	352022-94-7	C₁₇H₁₄N₂O₉S₂
3-({4-Hydroxy-4-[3-(trifluoromethyl)phenyl]piperidin-1-yl}methyl)-4-methoxybenzaldehyde	3-({4-Hydroxy-4-[3-(trifluoromethyl)phenyl]piperidin-1-yl}methyl)-4-methoxybenzaldehyde	分子量：393.4 密度：N/A 沸点：N/A 熔点：N/A	1242904-51-3	C₂₁H₂₂F₃NO₃
N-[4-(Heptyloxy)benzoyl]glycine	N-[4-(Heptyloxy)benzoyl]glycine	分子量：293.36 密度：N/A 沸点：N/A 熔点：N/A	1243088-22-3	C₁₆H₂₃NO₄
4-{[(4-methoxy-1H-indol-2-yl)carbonyl]amino}butanoic acid	4-{[(4-methoxy-1H-indol-2-yl)carbonyl]amino}butanoic acid	分子量：276.29 密度：N/A 沸点：N/A 熔点：N/A	1179453-32-7	C₁₄H₁₆N₂O₄
Ethyl 3-amino-4-[(2-{[(isopropylamino)carbonyl]amino}ethyl)amino]benzoate	Ethyl 3-amino-4-[(2-{[(isopropylamino)carbonyl]amino}ethyl)amino]benzoate	分子量：308.38 密度：N/A 沸点：N/A 熔点：N/A	1242928-34-2	C₁₅H₂₄N₄O₃
Ethyl 6-oxo-6,6a,7,8,9,10-hexahydro-5H-pyrido[1,2-a]quinoxaline-3-carboxylate	Ethyl 6-oxo-6,6a,7,8,9,10-hexahydro-5H-pyrido[1,2-a]quinoxaline-3-carboxylate	分子量：274.31 密度：N/A 沸点：N/A 熔点：N/A	1104739-06-1	C₁₅H₁₈N₂O₃
2-(3-Morpholin-4-ylpropyl)-1-oxo-1,2,3,4,5,6-hexahydro-3a,5-epoxyisoindole-7-carboxylic acid	2-(3-Morpholin-4-ylpropyl)-1-oxo-1,2,3,4,5,6-hexahydro-3a,5-epoxyisoindole-7-carboxylic acid	分子量：322.36 密度：N/A 沸点：N/A 熔点：N/A	1242912-32-8	C₁₆H₂₂N₂O₅
N-(4-Fluorobenzyl)-N'-(4-methylbenzyl)propane-1,3-diamine	N-(4-Fluorobenzyl)-N'-(4-methylbenzyl)propane-1,3-diamine	分子量：286.4 密度：N/A 沸点：N/A 熔点：N/A	1242881-92-0	C₁₈H₂₃FN₂
Methyl 4-{[(3,4-dimethoxybenzyl)amino]methyl}benzoate	Methyl 4-{[(3,4-dimethoxybenzyl)amino]methyl}benzoate	分子量：315.4 密度：N/A 沸点：N/A 熔点：N/A	1244855-41-1	C₁₈H₂₁NO₄
2-[2-(4-Chlorophenyl)-2-oxoethyl]cyclohexane-1,3-dione	2-[2-(4-Chlorophenyl)-2-oxoethyl]cyclohexane-1,3-dione	分子量：264.70 密度：N/A 沸点：N/A 熔点：N/A	14006-75-8	C₁₄H₁₃ClO₃
N-(4-Ethoxybenzyl)-N'-(4-fluorobenzyl)propane-1,3-diamine	N-(4-Ethoxybenzyl)-N'-(4-fluorobenzyl)propane-1,3-diamine	分子量：316.4 密度：N/A 沸点：N/A 熔点：N/A	1242948-04-4	C₁₉H₂₅FN₂O
1,3-Diisopropyl-6-piperazin-1-ylpyrimidine-2,4(1H,3H)-dione	1,3-Diisopropyl-6-piperazin-1-ylpyrimidine-2,4(1H,3H)-dione	分子量：280.37 密度：N/A 沸点：N/A 熔点：N/A	1243023-38-2	C₁₄H₂₄N₄O₂
N,N-Diethyl-N'-[(1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)methyl]propane-1,3-diamine	N,N-Diethyl-N'-[(1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)methyl]propane-1,3-diamine	分子量：317.5 密度：N/A 沸点：N/A 熔点：N/A	1242919-69-2	C₂₀H₃₅N₃
N-[(1-Butyl-1,2,3,4-tetrahydroquinolin-6-yl)methyl]-3-ethoxypropan-1-amine	N-[(1-Butyl-1,2,3,4-tetrahydroquinolin-6-yl)methyl]-3-ethoxypropan-1-amine	分子量：304.5 密度：N/A 沸点：N/A 熔点：N/A	1244855-34-2	C₁₉H₃₂N₂O
Ethyl 1-(2,4-dimethoxybenzyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylate	Ethyl 1-(2,4-dimethoxybenzyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylate	分子量：385.5 密度：N/A 沸点：N/A 熔点：N/A	1242937-87-6	C₂₂H₂₇NO₅