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-1,2,4-triazol-1-yl)methyl)-N-(4-chlorobenzyl)azetidine-1-carboxamide	3-((1H-1,2,4-triazol-1-yl)methyl)-N-(4-chlorobenzyl)azetidine-1-carboxamide	分子量：305.76 密度：N/A 沸点：N/A 熔点：N/A	2310017-87-7	C₁₄H₁₆ClN₅O
1-((1-(3-(2-Ethoxyphenyl)propanoyl)azetidin-3-yl)methyl)pyrrolidine-2,5-dione	1-((1-(3-(2-Ethoxyphenyl)propanoyl)azetidin-3-yl)methyl)pyrrolidine-2,5-dione	分子量：344.4 密度：N/A 沸点：N/A 熔点：N/A	2320682-11-7	C₁₉H₂₄N₂O₄
2-(4-Chlorophenoxy)-2-methyl-1-{3-methylidene-8-azabicyclo[3.2.1]octan-8-yl}propan-1-one	2-(4-Chlorophenoxy)-2-methyl-1-{3-methylidene-8-azabicyclo[3.2.1]octan-8-yl}propan-1-one	分子量：319.8 密度：N/A 沸点：N/A 熔点：N/A	2310098-56-5	C₁₈H₂₂ClNO₂
1-{3-Methylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-(naphthalen-2-yloxy)ethan-1-one	1-{3-Methylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-(naphthalen-2-yloxy)ethan-1-one	分子量：307.4 密度：N/A 沸点：N/A 熔点：N/A	2320663-55-4	C₂₀H₂₁NO₂
2,2,2-trifluoroethyl (1R,5S)-3-methylene-8-azabicyclo[3.2.1]octane-8-carboxylate	2,2,2-trifluoroethyl (1R,5S)-3-methylene-8-azabicyclo[3.2.1]octane-8-carboxylate	分子量：249.23 密度：N/A 沸点：N/A 熔点：N/A	2320601-51-0	C₁₁H₁₄F₃NO₂
3-methylidene-N-(thiophen-2-yl)-8-azabicyclo[3.2.1]octane-8-carboxamide	3-methylidene-N-(thiophen-2-yl)-8-azabicyclo[3.2.1]octane-8-carboxamide	分子量：248.35 密度：N/A 沸点：N/A 熔点：N/A	2309750-67-0	C₁₃H₁₆N₂OS
8-(4-Methoxy-3-methylbenzenesulfonyl)-3-methylidene-8-azabicyclo[3.2.1]octane	8-(4-Methoxy-3-methylbenzenesulfonyl)-3-methylidene-8-azabicyclo[3.2.1]octane	分子量：307.4 密度：N/A 沸点：N/A 熔点：N/A	2320897-21-8	C₁₆H₂₁NO₃S
8-[(2-Chlorophenyl)methanesulfonyl]-3-methylidene-8-azabicyclo[3.2.1]octane	8-[(2-Chlorophenyl)methanesulfonyl]-3-methylidene-8-azabicyclo[3.2.1]octane	分子量：311.8 密度：N/A 沸点：N/A 熔点：N/A	2320897-56-9	C₁₅H₁₈ClNO₂S
8-[(2-Fluorophenyl)methanesulfonyl]-3-methylidene-8-azabicyclo[3.2.1]octane	8-[(2-Fluorophenyl)methanesulfonyl]-3-methylidene-8-azabicyclo[3.2.1]octane	分子量：295.4 密度：N/A 沸点：N/A 熔点：N/A	2320682-49-1	C₁₅H₁₈FNO₂S
3-(2-Ethoxyphenyl)-1-[3-(1,2,5-thiadiazol-3-yloxy)pyrrolidin-1-yl]propan-1-one	3-(2-Ethoxyphenyl)-1-[3-(1,2,5-thiadiazol-3-yloxy)pyrrolidin-1-yl]propan-1-one	分子量：347.4 密度：N/A 沸点：N/A 熔点：N/A	2320885-91-2	C₁₇H₂₁N₃O₃S
2-ethyl-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}butanamide	2-ethyl-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}butanamide	分子量：259.34 密度：N/A 沸点：N/A 熔点：N/A	2320516-21-8	C₁₃H₂₅NO₄
N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-3,3-dimethylbutanamide	N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-3,3-dimethylbutanamide	分子量：259.34 密度：N/A 沸点：N/A 熔点：N/A	2320178-55-8	C₁₃H₂₅NO₄
N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}thiophene-2-carboxamide	N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}thiophene-2-carboxamide	分子量：271.33 密度：N/A 沸点：N/A 熔点：N/A	2309307-97-7	C₁₂H₁₇NO₄S
2-cyclopentyl-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}acetamide	2-cyclopentyl-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}acetamide	分子量：271.35 密度：N/A 沸点：N/A 熔点：N/A	2320515-29-3	C₁₄H₂₅NO₄
(E)-3-(furan-2-yl)-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)acrylamide	(E)-3-(furan-2-yl)-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)acrylamide	分子量：281.30 密度：N/A 沸点：N/A 熔点：N/A	2321331-93-3	C₁₄H₁₉NO₅
2-fluoro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)benzamide	2-fluoro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)benzamide	分子量：283.29 密度：N/A 沸点：N/A 熔点：N/A	2309729-90-4	C₁₄H₁₈FNO₄
N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-4-methyl-1,2,3-thiadiazole-5-carboxamide	N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-4-methyl-1,2,3-thiadiazole-5-carboxamide	分子量：287.34 密度：N/A 沸点：N/A 熔点：N/A	2320420-03-7	C₁₁H₁₇N₃O₄S
4-ethyl-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}benzamide	4-ethyl-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}benzamide	分子量：293.36 密度：N/A 沸点：N/A 熔点：N/A	2320574-21-6	C₁₆H₂₃NO₄
N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-2-phenoxyacetamide	N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-2-phenoxyacetamide	分子量：295.33 密度：N/A 沸点：N/A 熔点：N/A	2320885-59-2	C₁₅H₂₁NO₅
2-(4-fluorophenyl)-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}acetamide	2-(4-fluorophenyl)-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}acetamide	分子量：297.32 密度：N/A 沸点：N/A 熔点：N/A	2310101-03-0	C₁₅H₂₀FNO₄
N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-2-(methylthio)benzamide	N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-2-(methylthio)benzamide	分子量：311.4 密度：N/A 沸点：N/A 熔点：N/A	2310225-63-7	C₁₅H₂₁NO₄S
4-bromo-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}benzamide	4-bromo-N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}benzamide	分子量：344.20 密度：N/A 沸点：N/A 熔点：N/A	2310223-60-8	C₁₄H₁₈BrNO₄
2,6-Dichloro-4-(trifluoromethyl)phenyl Isothiocyanate	2,6-Dichloro-4-(trifluoromethyl)phenyl Isothiocyanate	分子量：272.07 密度：N/A 沸点：N/A 熔点：N/A	269736-31-4	C₈H₂Cl₂F₃NS
5-ethyl-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)thiophene-2-sulfonamide	5-ethyl-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)thiophene-2-sulfonamide	分子量：335.4 密度：N/A 沸点：N/A 熔点：N/A	2320215-93-6	C₁₃H₂₁NO₅S₂
5-chloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)thiophene-2-sulfonamide	5-chloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)thiophene-2-sulfonamide	分子量：341.8 密度：N/A 沸点：N/A 熔点：N/A	2309574-67-0	C₁₁H₁₆ClNO₅S₂
3-chloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-4-methylbenzenesulfonamide	3-chloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-4-methylbenzenesulfonamide	分子量：349.8 密度：N/A 沸点：N/A 熔点：N/A	2320469-03-0	C₁₄H₂₀ClNO₅S
5-chloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-2-methoxybenzenesulfonamide	5-chloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-2-methoxybenzenesulfonamide	分子量：365.8 密度：N/A 沸点：N/A 熔点：N/A	2310122-75-7	C₁₄H₂₀ClNO₆S
2,5-dichloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)benzenesulfonamide	2,5-dichloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)benzenesulfonamide	分子量：370.2 密度：N/A 沸点：N/A 熔点：N/A	2319834-66-5	C₁₃H₁₇Cl₂NO₅S
2,4-dichloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-5-methylbenzenesulfonamide	2,4-dichloro-N-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-5-methylbenzenesulfonamide	分子量：384.3 密度：N/A 沸点：N/A 熔点：N/A	2319835-42-0	C₁₄H₁₉Cl₂NO₅S
N1-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-N2-phenyloxalamide	N1-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-N2-phenyloxalamide	分子量：308.33 密度：N/A 沸点：N/A 熔点：N/A	2320468-80-0	C₁₅H₂₀N₂O₅
N1-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-N2-(5-methylisoxazol-3-yl)oxalamide	N1-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-N2-(5-methylisoxazol-3-yl)oxalamide	分子量：313.31 密度：N/A 沸点：N/A 熔点：N/A	2319637-51-7	C₁₃H₁₉N₃O₆
N1-(3,4-dimethylphenyl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	N1-(3,4-dimethylphenyl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	分子量：336.4 密度：N/A 沸点：N/A 熔点：N/A	2319637-94-8	C₁₇H₂₄N₂O₅
N1-(benzo[d][1,3]dioxol-5-yl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	N1-(benzo[d][1,3]dioxol-5-yl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	分子量：352.34 密度：N/A 沸点：N/A 熔点：N/A	2319639-90-0	C₁₆H₂₀N₂O₇
N1-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-N2-(3-(methylthio)phenyl)oxalamide	N1-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)-N2-(3-(methylthio)phenyl)oxalamide	分子量：354.4 密度：N/A 沸点：N/A 熔点：N/A	2309748-18-1	C₁₆H₂₂N₂O₅S
N1-(3-chloro-4-methylphenyl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	N1-(3-chloro-4-methylphenyl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	分子量：356.80 密度：N/A 沸点：N/A 熔点：N/A	2320472-17-9	C₁₆H₂₁ClN₂O₅
N1-(5-chloro-2-cyanophenyl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	N1-(5-chloro-2-cyanophenyl)-N2-((3-(2-hydroxyethoxy)tetrahydrofuran-3-yl)methyl)oxalamide	分子量：367.78 密度：N/A 沸点：N/A 熔点：N/A	2309750-04-5	C₁₆H₁₈ClN₃O₅
N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-N'-[3-(2-oxopiperidin-1-yl)phenyl]ethanediamide	N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-N'-[3-(2-oxopiperidin-1-yl)phenyl]ethanediamide	分子量：405.4 密度：N/A 沸点：N/A 熔点：N/A	2320536-09-0	C₂₀H₂₇N₃O₆
N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-N'-(1-methanesulfonyl-1,2,3,4-tetrahydroquinolin-7-yl)ethanediamide	N-{[3-(2-hydroxyethoxy)oxolan-3-yl]methyl}-N'-(1-methanesulfonyl-1,2,3,4-tetrahydroquinolin-7-yl)ethanediamide	分子量：441.5 密度：N/A 沸点：N/A 熔点：N/A	2310142-46-0	C₁₉H₂₇N₃O₇S
3-{[3-(2-Hydroxyethoxy)oxolan-3-yl]methyl}-1-phenylurea	3-{[3-(2-Hydroxyethoxy)oxolan-3-yl]methyl}-1-phenylurea	分子量：280.32 密度：N/A 沸点：N/A 熔点：N/A	2309569-56-8	C₁₄H₂₀N₂O₄
N-((1-(2-hydroxyethoxy)cyclopentyl)methyl)-3,5-dimethylbenzamide	N-((1-(2-hydroxyethoxy)cyclopentyl)methyl)-3,5-dimethylbenzamide	分子量：291.4 密度：N/A 沸点：N/A 熔点：N/A	2320957-00-2	C₁₇H₂₅NO₃
N-((1-(2-hydroxyethoxy)cyclopentyl)methyl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide	N-((1-(2-hydroxyethoxy)cyclopentyl)methyl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide	分子量：334.4 密度：N/A 沸点：N/A 熔点：N/A	2319787-32-9	C₁₇H₂₂N₂O₅
5-chloro-N-((1-(2-hydroxyethoxy)cyclopentyl)methyl)thiophene-2-sulfonamide	5-chloro-N-((1-(2-hydroxyethoxy)cyclopentyl)methyl)thiophene-2-sulfonamide	分子量：339.9 密度：N/A 沸点：N/A 熔点：N/A	2320681-61-4	C₁₂H₁₈ClNO₄S₂
1-((1-(2-Hydroxyethoxy)cyclopentyl)methyl)-3-(o-tolyl)urea	1-((1-(2-Hydroxyethoxy)cyclopentyl)methyl)-3-(o-tolyl)urea	分子量：292.37 密度：N/A 沸点：N/A 熔点：N/A	2309773-27-9	C₁₆H₂₄N₂O₃
N-((4-(2-hydroxyethoxy)tetrahydro-2H-thiopyran-4-yl)methyl)pivalamide	N-((4-(2-hydroxyethoxy)tetrahydro-2H-thiopyran-4-yl)methyl)pivalamide	分子量：275.41 密度：N/A 沸点：N/A 熔点：N/A	2320601-62-3	C₁₃H₂₅NO₃S
2-(2-chlorophenyl)-N-{[4-(2-hydroxyethoxy)thian-4-yl]methyl}acetamide	2-(2-chlorophenyl)-N-{[4-(2-hydroxyethoxy)thian-4-yl]methyl}acetamide	分子量：343.9 密度：N/A 沸点：N/A 熔点：N/A	2309774-31-8	C₁₆H₂₂ClNO₃S
3-(2H-1,3-benzodioxol-5-yl)-1-{[4-(2-hydroxyethoxy)thian-4-yl]methyl}urea	3-(2H-1,3-benzodioxol-5-yl)-1-{[4-(2-hydroxyethoxy)thian-4-yl]methyl}urea	分子量：354.4 密度：N/A 沸点：N/A 熔点：N/A	2319787-82-9	C₁₆H₂₂N₂O₅S
N-{[3-(2-hydroxyethoxy)thiolan-3-yl]methyl}cyclopentanecarboxamide	N-{[3-(2-hydroxyethoxy)thiolan-3-yl]methyl}cyclopentanecarboxamide	分子量：273.39 密度：N/A 沸点：N/A 熔点：N/A	2310220-66-5	C₁₃H₂₃NO₃S
N-((3-(2-hydroxyethoxy)tetrahydrothiophen-3-yl)methyl)thiophene-2-carboxamide	N-((3-(2-hydroxyethoxy)tetrahydrothiophen-3-yl)methyl)thiophene-2-carboxamide	分子量：287.4 密度：N/A 沸点：N/A 熔点：N/A	2310014-03-8	C₁₂H₁₇NO₃S₂
N-{[3-(2-hydroxyethoxy)thiolan-3-yl]methyl}thiophene-3-carboxamide	N-{[3-(2-hydroxyethoxy)thiolan-3-yl]methyl}thiophene-3-carboxamide	分子量：287.4 密度：N/A 沸点：N/A 熔点：N/A	2320209-47-8	C₁₂H₁₇NO₃S₂
3-(dimethylamino)-N-{[3-(2-hydroxyethoxy)thiolan-3-yl]methyl}benzamide	3-(dimethylamino)-N-{[3-(2-hydroxyethoxy)thiolan-3-yl]methyl}benzamide	分子量：324.4 密度：N/A 沸点：N/A 熔点：N/A	2320178-91-2	C₁₆H₂₄N₂O₃S