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-(2-carbamoylcyclopentyl)-2-fluoropyridine-4-carboxamide	N-(2-carbamoylcyclopentyl)-2-fluoropyridine-4-carboxamide	分子量：251.26 密度：N/A 沸点：N/A 熔点：N/A	1423791-29-0	C₁₂H₁₄FN₃O₂
2-(Aminomethyl)-3-hydroxybenzaldehyde	2-(Aminomethyl)-3-hydroxybenzaldehyde	分子量：151.16 密度：N/A 沸点：N/A 熔点：N/A	1243284-55-0	C₈H₉NO₂
Ethyl amino(tetrahydrofuran-2-YL)acetate hydrochloride	Ethyl amino(tetrahydrofuran-2-YL)acetate hydrochloride	分子量：209.67 密度：N/A 沸点：N/A 熔点：N/A	1393529-93-5	C₈H₁₆ClNO₃
3-Cyclopropoxy-4-(dimethylcarbamoyl)picolinic acid	3-Cyclopropoxy-4-(dimethylcarbamoyl)picolinic acid	分子量：250.25 密度：N/A 沸点：N/A 熔点：N/A	1243284-86-7	C₁₂H₁₄N₂O₄
Quinolin-2-yl(4-(thiophen-3-yl)piperidin-1-yl)methanone	Quinolin-2-yl(4-(thiophen-3-yl)piperidin-1-yl)methanone	分子量：322.4 密度：N/A 沸点：N/A 熔点：N/A	1797290-62-0	C₁₉H₁₈N₂OS
N-(2-(Aminomethyl)-3-hydroxyphenyl)methanesulfonamide	N-(2-(Aminomethyl)-3-hydroxyphenyl)methanesulfonamide	分子量：216.26 密度：N/A 沸点：N/A 熔点：N/A	1243414-11-0	C₈H₁₂N₂O₃S
4-Bromo-2-tert-butyl-5-cyclopropoxypyridine	4-Bromo-2-tert-butyl-5-cyclopropoxypyridine	分子量：270.17 密度：N/A 沸点：N/A 熔点：N/A	1243384-04-4	C₁₂H₁₆BrNO
(R)-tert-Butyl 2-(aminomethyl)-1,4-oxazepane-4-carboxylate	(R)-tert-Butyl 2-(aminomethyl)-1,4-oxazepane-4-carboxylate	分子量：230.30 密度：N/A 沸点：N/A 熔点：N/A	1174020-35-9	C₁₁H₂₂N₂O₃
1-(4-(3-Methyl-1,2,4-thiadiazole-5-carbonyl)piperazin-1-yl)ethanone	1-(4-(3-Methyl-1,2,4-thiadiazole-5-carbonyl)piperazin-1-yl)ethanone	分子量：254.31 密度：N/A 沸点：N/A 熔点：N/A	1448125-54-9	C₁₀H₁₄N₄O₂S
3-Tert-butyl-5-cyclopropoxy-N,N-dimethylpyridin-2-amine	3-Tert-butyl-5-cyclopropoxy-N,N-dimethylpyridin-2-amine	分子量：234.34 密度：N/A 沸点：N/A 熔点：N/A	1243479-17-5	C₁₄H₂₂N₂O
2-(Aminomethyl)-3-(methylthio)phenol	2-(Aminomethyl)-3-(methylthio)phenol	分子量：169.25 密度：N/A 沸点：N/A 熔点：N/A	1243389-46-9	C₈H₁₁NOS
1-(1-isopropyl-1H-imidazol-2-yl)ethanesulfonyl chloride	1-(1-isopropyl-1H-imidazol-2-yl)ethanesulfonyl chloride	分子量：236.72 密度：N/A 沸点：N/A 熔点：N/A	1420873-85-3	C₈H₁₃ClN₂O₂S
2-Cyclopropoxy-3-(dimethylamino)benzenesulfonamide	2-Cyclopropoxy-3-(dimethylamino)benzenesulfonamide	分子量：256.32 密度：N/A 沸点：N/A 熔点：N/A	1243375-41-8	C₁₁H₁₆N₂O₃S
3-(1-benzylpiperidin-4-yl)-N-ethylpropan-1-amine	3-(1-benzylpiperidin-4-yl)-N-ethylpropan-1-amine	分子量：260.4 密度：N/A 沸点：N/A 熔点：N/A	1420879-77-1	C₁₇H₂₈N₂
1-(2-Bromo-5-methylpyridin-3-YL)ethanone	1-(2-Bromo-5-methylpyridin-3-YL)ethanone	分子量：214.06 密度：N/A 沸点：N/A 熔点：N/A	1393532-60-9	C₈H₈BrNO
tert-Butyl 3-((4-fluorobenzyl)(methyl)carbamoyl)piperidine-1-carboxylate	tert-Butyl 3-((4-fluorobenzyl)(methyl)carbamoyl)piperidine-1-carboxylate	分子量：350.4 密度：N/A 沸点：N/A 熔点：N/A	1420842-58-5	C₁₉H₂₇FN₂O₃
1-(1-Bromoethyl)-2,3-dichlorobenzene	1-(1-Bromoethyl)-2,3-dichlorobenzene	分子量：253.95 密度：N/A 沸点：N/A 熔点：N/A	1699610-77-9	C₈H₇BrCl₂
(S)-tert-butyl 3-(methyl(pyridin-2-ylmethyl)amino)pyrrolidine-1-carboxylate	(S)-tert-butyl 3-(methyl(pyridin-2-ylmethyl)amino)pyrrolidine-1-carboxylate	分子量：291.39 密度：N/A 沸点：N/A 熔点：N/A	1421033-55-7	C₁₆H₂₅N₃O₂
1-(4-Bromo-2-methylthiazol-5-yl)ethanone	1-(4-Bromo-2-methylthiazol-5-yl)ethanone	分子量：220.09 密度：N/A 沸点：N/A 熔点：N/A	1823018-93-4	C₆H₆BrNOS
3-Phenylmethoxypropyl 2-[4-(3-phenylmethoxypropylsulfanyl)phenyl]acetate	3-Phenylmethoxypropyl 2-[4-(3-phenylmethoxypropylsulfanyl)phenyl]acetate	分子量：464.6 密度：N/A 沸点：N/A 熔点：N/A	1426805-18-6	C₂₈H₃₂O₄S
N-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)nicotinamide	N-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)nicotinamide	分子量：276.14 密度：N/A 沸点：N/A 熔点：N/A	2640353-57-5	C₁₄H₂₁BN₂O₃
tert-Butyl 3-(methyl(pyridin-4-ylmethyl)amino)piperidine-1-carboxylate	tert-Butyl 3-(methyl(pyridin-4-ylmethyl)amino)piperidine-1-carboxylate	分子量：305.4 密度：N/A 沸点：N/A 熔点：N/A	1420806-42-3	C₁₇H₂₇N₃O₂
9-[1,1-Biphenyl]-4-yl-9-(4,6-diphenyl-1,3,5-triazin-2-yl)-2,2-bi-9H-carbazole	9-[1,1-Biphenyl]-4-yl-9-(4,6-diphenyl-1,3,5-triazin-2-yl)-2,2-bi-9H-carbazole	分子量：715.8 密度：N/A 沸点：N/A 熔点：N/A	1643475-39-1	C₅₁H₃₃N₅
N-(2,6-difluorophenyl)-7-phenyl-1,4-thiazepane-4-carboxamide	N-(2,6-difluorophenyl)-7-phenyl-1,4-thiazepane-4-carboxamide	分子量：348.4 密度：N/A 沸点：N/A 熔点：N/A	1797205-10-7	C₁₈H₁₈F₂N₂OS
4-(Dimethylsulfamoylamino)-1-(oxolan-3-yl)pyrazole	4-(Dimethylsulfamoylamino)-1-(oxolan-3-yl)pyrazole	分子量：260.32 密度：N/A 沸点：N/A 熔点：N/A	1797351-04-2	C₉H₁₆N₄O₃S
N,N-Bis(carboxymethyl)-4-isothiocyanatophenylalanine	N,N-Bis(carboxymethyl)-4-isothiocyanatophenylalanine	分子量：338.34 密度：N/A 沸点：N/A 熔点：N/A	131322-70-8	C₁₄H₁₄N₂O₆S
N-(2-fluoro-4-methoxyphenyl)-4-(furan-3-yl)thiazol-2-amine hydrochloride	N-(2-fluoro-4-methoxyphenyl)-4-(furan-3-yl)thiazol-2-amine hydrochloride	分子量：326.8 密度：N/A 沸点：N/A 熔点：N/A	2034325-48-7	C₁₄H₁₂ClFN₂O₂S
4,5-Dichloropyridine-3-sulfonyl chloride	4,5-Dichloropyridine-3-sulfonyl chloride	分子量：246.5 密度：N/A 沸点：N/A 熔点：N/A	1352498-23-7	C₅H₂Cl₃NO₂S
Ethyl 4-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)benzoate	Ethyl 4-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)benzoate	分子量：316.35 密度：N/A 沸点：N/A 熔点：N/A	1352517-28-2	C₁₇H₂₀N₂O₄
(2S)-3-Methyl-2-({[4-(2-pyrimidinyl)piperazino]carbonyl}amino)butanoic acid	(2S)-3-Methyl-2-({[4-(2-pyrimidinyl)piperazino]carbonyl}amino)butanoic acid	分子量：307.35 密度：N/A 沸点：N/A 熔点：N/A	1374565-53-3	C₁₄H₂₁N₅O₃
tert-Butyl 4-(methyl(thiazol-5-ylmethyl)amino)piperidine-1-carboxylate	tert-Butyl 4-(methyl(thiazol-5-ylmethyl)amino)piperidine-1-carboxylate	分子量：311.4 密度：N/A 沸点：N/A 熔点：N/A	1420826-35-2	C₁₅H₂₅N₃O₂S
2-[(12-oxo-6,7,8,9,10,12-hexahydroazepino[2,1-b]quinazolin-2-yl)oxy]-N-(tetrahydro-2H-pyran-4-ylmethyl)acetamide	2-[(12-oxo-6,7,8,9,10,12-hexahydroazepino[2,1-b]quinazolin-2-yl)oxy]-N-(tetrahydro-2H-pyran-4-ylmethyl)acetamide	分子量：385.5 密度：N/A 沸点：N/A 熔点：N/A	1374524-94-3	C₂₁H₂₇N₃O₄
N-(2,2-dimethyltetrahydro-2H-pyran-4-yl)-2-(4-methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxamide	N-(2,2-dimethyltetrahydro-2H-pyran-4-yl)-2-(4-methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxamide	分子量：406.5 密度：N/A 沸点：N/A 熔点：N/A	1374517-14-2	C₂₄H₂₆N₂O₄
2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]-N-[5-([1,2,4]triazolo[4,3-a]pyridin-3-yl)pentyl]acetamide	2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]-N-[5-([1,2,4]triazolo[4,3-a]pyridin-3-yl)pentyl]acetamide	分子量：420.5 密度：N/A 沸点：N/A 熔点：N/A	1374533-01-3	C₂₃H₂₄N₄O₄
N-[2-({[4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl]methyl}amino)-2-oxoethyl]-2-pyrazinecarboxamide	N-[2-({[4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl]methyl}amino)-2-oxoethyl]-2-pyrazinecarboxamide	分子量：384.4 密度：N/A 沸点：N/A 熔点：N/A	1374544-20-3	C₂₀H₂₄N₄O₄
4-Ethylpiperidine-4-carbonitrile	4-Ethylpiperidine-4-carbonitrile	分子量：138.21 密度：N/A 沸点：N/A 熔点：N/A	1206228-58-1	C₈H₁₄N₂
1-(5-Phenyl-1,3,4-oxadiazol-2-yl)ethan-1-amine hydrochloride	1-(5-Phenyl-1,3,4-oxadiazol-2-yl)ethan-1-amine hydrochloride	分子量：225.67 密度：N/A 沸点：N/A 熔点：N/A	1417634-37-7	C₁₀H₁₂ClN₃O
1-[5-(2-Methylphenyl)-1,3,4-oxadiazol-2-yl]ethan-1-amine hydrochloride	1-[5-(2-Methylphenyl)-1,3,4-oxadiazol-2-yl]ethan-1-amine hydrochloride	分子量：239.70 密度：N/A 沸点：N/A 熔点：N/A	1417634-16-2	C₁₁H₁₄ClN₃O
1-[5-(3-Methylphenyl)-1,3,4-oxadiazol-2-yl]ethan-1-amine hydrochloride	1-[5-(3-Methylphenyl)-1,3,4-oxadiazol-2-yl]ethan-1-amine hydrochloride	分子量：239.70 密度：N/A 沸点：N/A 熔点：N/A	1417635-64-3	C₁₁H₁₄ClN₃O
1-[5-(4-Fluorophenyl)-1,3,4-oxadiazol-2-yl]ethan-1-amine hydrochloride	1-[5-(4-Fluorophenyl)-1,3,4-oxadiazol-2-yl]ethan-1-amine hydrochloride	分子量：243.66 密度：N/A 沸点：N/A 熔点：N/A	1417636-92-0	C₁₀H₁₁ClFN₃O
3-Phenyl-1,2,3,4-tetrahydroquinoline hydrochloride	3-Phenyl-1,2,3,4-tetrahydroquinoline hydrochloride	分子量：245.74 密度：N/A 沸点：N/A 熔点：N/A	879638-20-7	C₁₅H₁₆ClN
1-phenyl-2,3-dihydro-1H-spiro[cyclopentane-1,4-isoquinoline] hydrochloride	1-phenyl-2,3-dihydro-1H-spiro[cyclopentane-1,4-isoquinoline] hydrochloride	分子量：299.8 密度：N/A 沸点：N/A 熔点：N/A	24403-87-0	C₁₉H₂₂ClN
2-(Morpholinomethyl)thiazole-4-carboxylic acid dihydrochloride	2-(Morpholinomethyl)thiazole-4-carboxylic acid dihydrochloride	分子量：301.19 密度：N/A 沸点：N/A 熔点：N/A	1417635-49-4	C₉H₁₄Cl₂N₂O₃S
2-[(Dimethylamino)(2-methylphenyl)methyl]-4-methyl-1,3-thiazole-5-carboxylic acid hydrochloride	2-[(Dimethylamino)(2-methylphenyl)methyl]-4-methyl-1,3-thiazole-5-carboxylic acid hydrochloride	分子量：326.8 密度：N/A 沸点：N/A 熔点：N/A	1417634-08-2	C₁₅H₁₉ClN₂O₂S
2-[(Dimethylamino)(4-fluorophenyl)methyl]-4-methyl-1,3-thiazole-5-carboxylic acid hydrochloride	2-[(Dimethylamino)(4-fluorophenyl)methyl]-4-methyl-1,3-thiazole-5-carboxylic acid hydrochloride	分子量：330.8 密度：N/A 沸点：N/A 熔点：N/A	1417638-45-9	C₁₄H₁₆ClFN₂O₂S
1-[3-(Piperazin-1-yl)phenyl]ethan-1-one hydrochloride	1-[3-(Piperazin-1-yl)phenyl]ethan-1-one hydrochloride	分子量：240.73 密度：N/A 沸点：N/A 熔点：N/A	1417638-48-2	C₁₂H₁₇ClN₂O
4-Methoxy-3-(4-methylpiperazin-1-yl)benzoic acid hydrochloride	4-Methoxy-3-(4-methylpiperazin-1-yl)benzoic acid hydrochloride	分子量：286.75 密度：N/A 沸点：N/A 熔点：N/A	1417637-15-0	C₁₃H₁₉ClN₂O₃
(S)-tert-butyl 3-(((6-chloropyridazin-3-yl)methyl)(methyl)amino)pyrrolidine-1-carboxylate	(S)-tert-butyl 3-(((6-chloropyridazin-3-yl)methyl)(methyl)amino)pyrrolidine-1-carboxylate	分子量：326.82 密度：N/A 沸点：N/A 熔点：N/A	1421015-28-2	C₁₅H₂₃ClN₄O₂
3,7-Bis(methylthio)anthracene-2,6-diol	3,7-Bis(methylthio)anthracene-2,6-diol	分子量：302.4 密度：N/A 沸点：N/A 熔点：N/A	1397972-20-1	C₁₆H₁₄O₂S₂
tert-Butyl 2-((((3-methoxypyrazin-2-yl)methyl)(methyl)amino)methyl)pyrrolidine-1-carboxylate	tert-Butyl 2-((((3-methoxypyrazin-2-yl)methyl)(methyl)amino)methyl)pyrrolidine-1-carboxylate	分子量：336.4 密度：N/A 沸点：N/A 熔点：N/A	1420969-82-9	C₁₇H₂₈N₄O₃