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
1-(4-Fluorophenyl)-3-(2-oxo-2-(4-(pyridin-4-yloxy)piperidin-1-yl)ethyl)imidazolidin-2-one	1-(4-Fluorophenyl)-3-(2-oxo-2-(4-(pyridin-4-yloxy)piperidin-1-yl)ethyl)imidazolidin-2-one	分子量：398.4 密度：N/A 沸点：N/A 熔点：N/A	2034471-04-8	C₂₁H₂₃FN₄O₃
N-phenyl-4-(pyridin-4-yloxy)piperidine-1-carboxamide	N-phenyl-4-(pyridin-4-yloxy)piperidine-1-carboxamide	分子量：297.35 密度：N/A 沸点：N/A 熔点：N/A	2034315-32-5	C₁₇H₁₉N₃O₂
N-(4-(tert-butyl)phenyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	N-(4-(tert-butyl)phenyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	分子量：353.5 密度：N/A 沸点：N/A 熔点：N/A	2034471-07-1	C₂₁H₂₇N₃O₂
N-(2-chlorophenyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	N-(2-chlorophenyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	分子量：331.8 密度：N/A 沸点：N/A 熔点：N/A	2034329-77-4	C₁₇H₁₈ClN₃O₂
4-(pyridin-4-yloxy)-N-(o-tolyl)piperidine-1-carboxamide	4-(pyridin-4-yloxy)-N-(o-tolyl)piperidine-1-carboxamide	分子量：311.4 密度：N/A 沸点：N/A 熔点：N/A	2034315-39-2	C₁₈H₂₁N₃O₂
N-(4-fluorobenzyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	N-(4-fluorobenzyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	分子量：329.4 密度：N/A 沸点：N/A 熔点：N/A	2034430-01-6	C₁₈H₂₀FN₃O₂
N-benzhydryl-4-(pyridin-4-yloxy)piperidine-1-carboxamide	N-benzhydryl-4-(pyridin-4-yloxy)piperidine-1-carboxamide	分子量：387.5 密度：N/A 沸点：N/A 熔点：N/A	2034301-88-5	C₂₄H₂₅N₃O₂
N-(5-chloro-2-methoxyphenyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	N-(5-chloro-2-methoxyphenyl)-4-(pyridin-4-yloxy)piperidine-1-carboxamide	分子量：361.8 密度：N/A 沸点：N/A 熔点：N/A	2034471-10-6	C₁₈H₂₀ClN₃O₃
N-(4-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)phenyl)acetamide	N-(4-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)phenyl)acetamide	分子量：375.4 密度：N/A 沸点：N/A 熔点：N/A	2034471-19-5	C₁₈H₂₁N₃O₄S
4-((1-((2,5-Dimethylphenyl)sulfonyl)piperidin-4-yl)oxy)pyridine	4-((1-((2,5-Dimethylphenyl)sulfonyl)piperidin-4-yl)oxy)pyridine	分子量：346.4 密度：N/A 沸点：N/A 熔点：N/A	2034302-04-8	C₁₈H₂₂N₂O₃S
4-((1-((3-Chloro-4-fluorophenyl)sulfonyl)piperidin-4-yl)oxy)pyridine	4-((1-((3-Chloro-4-fluorophenyl)sulfonyl)piperidin-4-yl)oxy)pyridine	分子量：370.8 密度：N/A 沸点：N/A 熔点：N/A	2034577-61-0	C₁₆H₁₆ClFN₂O₃S
Methyl 4-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)benzoate	Methyl 4-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)benzoate	分子量：376.4 密度：N/A 沸点：N/A 熔点：N/A	2034329-85-4	C₁₈H₂₀N₂O₅S
3-methyl-5-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)benzo[d]oxazol-2(3H)-one	3-methyl-5-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)benzo[d]oxazol-2(3H)-one	分子量：389.4 密度：N/A 沸点：N/A 熔点：N/A	2034365-85-8	C₁₈H₁₉N₃O₅S
4-((1-((2-(Trifluoromethoxy)phenyl)sulfonyl)piperidin-4-yl)oxy)pyridine	4-((1-((2-(Trifluoromethoxy)phenyl)sulfonyl)piperidin-4-yl)oxy)pyridine	分子量：402.4 密度：N/A 沸点：N/A 熔点：N/A	2034329-90-1	C₁₇H₁₇F₃N₂O₄S
Methyl (4-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)phenyl)carbamate	Methyl (4-((4-(pyridin-4-yloxy)piperidin-1-yl)sulfonyl)phenyl)carbamate	分子量：391.4 密度：N/A 沸点：N/A 熔点：N/A	2034577-71-2	C₁₈H₂₁N₃O₅S
4-((1-(Pyrrolidin-1-ylsulfonyl)piperidin-4-yl)oxy)pyridine	4-((1-(Pyrrolidin-1-ylsulfonyl)piperidin-4-yl)oxy)pyridine	分子量：311.40 密度：N/A 沸点：N/A 熔点：N/A	2034471-38-8	C₁₄H₂₁N₃O₃S
2-(4-((4-(Pyridin-4-yloxy)piperidin-1-yl)sulfonyl)phenoxy)acetamide	2-(4-((4-(Pyridin-4-yloxy)piperidin-1-yl)sulfonyl)phenoxy)acetamide	分子量：391.4 密度：N/A 沸点：N/A 熔点：N/A	2034302-10-6	C₁₈H₂₁N₃O₅S
(2-Benzoylphenyl)(7-(2,5-difluorophenyl)-1,4-thiazepan-4-yl)methanone	(2-Benzoylphenyl)(7-(2,5-difluorophenyl)-1,4-thiazepan-4-yl)methanone	分子量：437.5 密度：N/A 沸点：N/A 熔点：N/A	2034500-92-8	C₂₅H₂₁F₂NO₂S
N-(octahydrobenzo[b][1,4]dioxin-6-yl)thiophene-3-carboxamide	N-(octahydrobenzo[b][1,4]dioxin-6-yl)thiophene-3-carboxamide	分子量：267.35 密度：N/A 沸点：N/A 熔点：N/A	1902908-48-8	C₁₃H₁₇NO₃S
N-(octahydrobenzo[b][1,4]dioxin-6-yl)cinnamamide	N-(octahydrobenzo[b][1,4]dioxin-6-yl)cinnamamide	分子量：287.35 密度：N/A 沸点：N/A 熔点：N/A	2034887-73-3	C₁₇H₂₁NO₃
2-(4-fluorophenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)acetamide	2-(4-fluorophenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)acetamide	分子量：293.33 密度：N/A 沸点：N/A 熔点：N/A	1902921-09-8	C₁₆H₂₀FNO₃
2-(4-ethoxyphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)acetamide	2-(4-ethoxyphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)acetamide	分子量：319.4 密度：N/A 沸点：N/A 熔点：N/A	1902946-86-4	C₁₈H₂₅NO₄
N-(octahydro-1,4-benzodioxin-6-yl)-3-(phenylsulfanyl)propanamide	N-(octahydro-1,4-benzodioxin-6-yl)-3-(phenylsulfanyl)propanamide	分子量：321.4 密度：N/A 沸点：N/A 熔点：N/A	1902938-40-2	C₁₇H₂₃NO₃S
3-(3-fluorobenzenesulfonamido)-N-(octahydro-1,4-benzodioxin-6-yl)propanamide	3-(3-fluorobenzenesulfonamido)-N-(octahydro-1,4-benzodioxin-6-yl)propanamide	分子量：386.4 密度：N/A 沸点：N/A 熔点：N/A	1902957-87-2	C₁₇H₂₃FN₂O₅S
3-(3-(benzyloxy)-4-methoxyphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	3-(3-(benzyloxy)-4-methoxyphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	分子量：425.5 密度：N/A 沸点：N/A 熔点：N/A	1902913-47-6	C₂₅H₃₁NO₅
3-(3,4-dichlorophenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	3-(3,4-dichlorophenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	分子量：358.3 密度：N/A 沸点：N/A 熔点：N/A	1902959-29-8	C₁₇H₂₁Cl₂NO₃
3-(2-ethoxyphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	3-(2-ethoxyphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	分子量：333.4 密度：N/A 沸点：N/A 熔点：N/A	1902906-89-1	C₁₉H₂₇NO₄
3-(4-chloro-3-(trifluoromethyl)phenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	3-(4-chloro-3-(trifluoromethyl)phenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	分子量：391.8 密度：N/A 沸点：N/A 熔点：N/A	1902935-05-0	C₁₈H₂₁ClF₃NO₃
3-(4-chloro-3-methylphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	3-(4-chloro-3-methylphenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)propanamide	分子量：337.8 密度：N/A 沸点：N/A 熔点：N/A	1902913-49-8	C₁₈H₂₄ClNO₃
1-acetyl-N-(octahydrobenzo[b][1,4]dioxin-6-yl)piperidine-4-carboxamide	1-acetyl-N-(octahydrobenzo[b][1,4]dioxin-6-yl)piperidine-4-carboxamide	分子量：310.39 密度：N/A 沸点：N/A 熔点：N/A	1902893-76-8	C₁₆H₂₆N₂O₄
(E)-3-(2-chlorophenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)acrylamide	(E)-3-(2-chlorophenyl)-N-(octahydrobenzo[b][1,4]dioxin-6-yl)acrylamide	分子量：321.8 密度：N/A 沸点：N/A 熔点：N/A	1904584-64-0	C₁₇H₂₀ClNO₃
N-(octahydrobenzo[b][1,4]dioxin-6-yl)furan-3-carboxamide	N-(octahydrobenzo[b][1,4]dioxin-6-yl)furan-3-carboxamide	分子量：251.28 密度：N/A 沸点：N/A 熔点：N/A	1902957-27-0	C₁₃H₁₇NO₄
2-chloro-N-(octahydrobenzo[b][1,4]dioxin-6-yl)benzenesulfonamide	2-chloro-N-(octahydrobenzo[b][1,4]dioxin-6-yl)benzenesulfonamide	分子量：331.8 密度：N/A 沸点：N/A 熔点：N/A	1902933-29-2	C₁₄H₁₈ClNO₄S
2-(m-Tolyl)-1-(2-(trifluoromethyl)piperidin-1-yl)ethanone	2-(m-Tolyl)-1-(2-(trifluoromethyl)piperidin-1-yl)ethanone	分子量：285.30 密度：N/A 沸点：N/A 熔点：N/A	1903654-93-2	C₁₅H₁₈F₃NO
(3,4-Difluorophenyl)(2-(trifluoromethyl)piperidin-1-yl)methanone	(3,4-Difluorophenyl)(2-(trifluoromethyl)piperidin-1-yl)methanone	分子量：293.23 密度：N/A 沸点：N/A 熔点：N/A	2034393-59-2	C₁₃H₁₂F₅NO
N-([2,4'-bipyridin]-3-ylmethyl)pyrazine-2-carboxamide	N-([2,4'-bipyridin]-3-ylmethyl)pyrazine-2-carboxamide	分子量：291.31 密度：N/A 沸点：N/A 熔点：N/A	2034474-24-1	C₁₆H₁₃N₅O
(S)-4-(Piperidin-2-yl)benzamide	(S)-4-(Piperidin-2-yl)benzamide	分子量：204.27 密度：N/A 沸点：N/A 熔点：N/A	1336707-82-4	C₁₂H₁₆N₂O
N-([2,4'-bipyridin]-3-ylmethyl)thiophene-3-carboxamide	N-([2,4'-bipyridin]-3-ylmethyl)thiophene-3-carboxamide	分子量：295.4 密度：N/A 沸点：N/A 熔点：N/A	2034253-76-2	C₁₆H₁₃N₃OS
(E)-N-([2,4'-bipyridin]-3-ylmethyl)-3-(furan-2-yl)acrylamide	(E)-N-([2,4'-bipyridin]-3-ylmethyl)-3-(furan-2-yl)acrylamide	分子量：305.3 密度：N/A 沸点：N/A 熔点：N/A	2035006-89-2	C₁₈H₁₅N₃O₂
N-([2,4'-bipyridin]-3-ylmethyl)-3,4-difluorobenzamide	N-([2,4'-bipyridin]-3-ylmethyl)-3,4-difluorobenzamide	分子量：325.3 密度：N/A 沸点：N/A 熔点：N/A	2034253-82-0	C₁₈H₁₃F₂N₃O
N-([2,4'-bipyridin]-3-ylmethyl)-2-(methylthio)nicotinamide	N-([2,4'-bipyridin]-3-ylmethyl)-2-(methylthio)nicotinamide	分子量：336.4 密度：N/A 沸点：N/A 熔点：N/A	2034474-33-2	C₁₈H₁₆N₄OS
N-([2,4'-bipyridin]-3-ylmethyl)-4-propyl-1,2,3-thiadiazole-5-carboxamide	N-([2,4'-bipyridin]-3-ylmethyl)-4-propyl-1,2,3-thiadiazole-5-carboxamide	分子量：339.4 密度：N/A 沸点：N/A 熔点：N/A	2034432-40-9	C₁₇H₁₇N₅OS
N-([2,4'-bipyridin]-3-ylmethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide	N-([2,4'-bipyridin]-3-ylmethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide	分子量：347.4 密度：N/A 沸点：N/A 熔点：N/A	2034577-31-4	C₂₀H₁₇N₃O₃
N-([2,4'-bipyridin]-3-ylmethyl)-4-isopropoxybenzamide	N-([2,4'-bipyridin]-3-ylmethyl)-4-isopropoxybenzamide	分子量：347.4 密度：N/A 沸点：N/A 熔点：N/A	2034474-41-2	C₂₁H₂₁N₃O₂
(3r,5r,7r)-N-([2,4'-bipyridin]-3-ylmethyl)adamantane-1-carboxamide	(3r,5r,7r)-N-([2,4'-bipyridin]-3-ylmethyl)adamantane-1-carboxamide	分子量：347.5 密度：N/A 沸点：N/A 熔点：N/A	2034432-45-4	C₂₂H₂₅N₃O
N-([2,4'-bipyridin]-3-ylmethyl)-3,5-dimethoxybenzamide	N-([2,4'-bipyridin]-3-ylmethyl)-3,5-dimethoxybenzamide	分子量：349.4 密度：N/A 沸点：N/A 熔点：N/A	2034577-36-9	C₂₀H₁₉N₃O₃
N-([2,4'-bipyridin]-3-ylmethyl)-5-chloro-2-methoxybenzamide	N-([2,4'-bipyridin]-3-ylmethyl)-5-chloro-2-methoxybenzamide	分子量：353.8 密度：N/A 沸点：N/A 熔点：N/A	2034474-53-6	C₁₉H₁₆ClN₃O₂
N-([2,4'-bipyridin]-3-ylmethyl)-2-oxo-2H-chromene-3-carboxamide	N-([2,4'-bipyridin]-3-ylmethyl)-2-oxo-2H-chromene-3-carboxamide	分子量：357.4 密度：N/A 沸点：N/A 熔点：N/A	2034577-42-7	C₂₁H₁₅N₃O₃
N-([2,4'-bipyridin]-3-ylmethyl)-2-(4-isopropylphenoxy)acetamide	N-([2,4'-bipyridin]-3-ylmethyl)-2-(4-isopropylphenoxy)acetamide	分子量：361.4 密度：N/A 沸点：N/A 熔点：N/A	2034474-62-7	C₂₂H₂₃N₃O₂
N-([2,4'-bipyridin]-3-ylmethyl)cyclohex-3-enecarboxamide	N-([2,4'-bipyridin]-3-ylmethyl)cyclohex-3-enecarboxamide	分子量：293.4 密度：N/A 沸点：N/A 熔点：N/A	2034577-56-3	C₁₈H₁₉N₃O