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
methyl 2-(8-(4-ethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate	methyl 2-(8-(4-ethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate	分子量：409.4 密度：N/A 沸点：N/A 熔点：N/A	887465-71-6	C₂₁H₂₃N₅O₄
(1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazol-4-yl)(morpholino)methanone	(1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazol-4-yl)(morpholino)methanone	分子量：413.4 密度：N/A 沸点：N/A 熔点：N/A	1014067-70-9	C₂₂H₂₁F₂N₃O₃
8-(4-methoxybenzyl)-1,6,7-trimethyl-3-(2-morpholinoethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione	8-(4-methoxybenzyl)-1,6,7-trimethyl-3-(2-morpholinoethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione	分子量：466.5 密度：N/A 沸点：N/A 熔点：N/A	887213-44-7	C₂₄H₃₀N₆O₄
3-isobutyl-8-(2-methoxyethyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione	3-isobutyl-8-(2-methoxyethyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione	分子量：333.39 密度：N/A 沸点：N/A 熔点：N/A	887464-87-1	C₁₆H₂₃N₅O₃
CID 16615323	CID 16615323	分子量：425.4 密度：N/A 沸点：N/A 熔点：N/A	886894-58-2	C₂₁H₂₃N₅O₅
3-Butyl-8-(2-furylmethyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]puri ne-2,4-dione	3-Butyl-8-(2-furylmethyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]puri ne-2,4-dione	分子量：355.4 密度：N/A 沸点：N/A 熔点：N/A	887454-57-1	C₁₈H₂₁N₅O₃
2-{1-[2-(4-Methoxyphenoxy)ethyl]benzimidazol-2-yl}propan-2-ol	2-{1-[2-(4-Methoxyphenoxy)ethyl]benzimidazol-2-yl}propan-2-ol	分子量：326.4 密度：N/A 沸点：N/A 熔点：N/A	912897-23-5	C₁₉H₂₂N₂O₃
1-butyl-4-{1-[3-(2-methoxyphenoxy)propyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[3-(2-methoxyphenoxy)propyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：421.5 密度：N/A 沸点：N/A 熔点：N/A	912914-81-9	C₂₅H₃₁N₃O₃
4-{1-[2-(3-methoxyphenoxy)ethyl]-1H-benzimidazol-2-yl}-1-(2-methoxyphenyl)pyrrolidin-2-one	4-{1-[2-(3-methoxyphenoxy)ethyl]-1H-benzimidazol-2-yl}-1-(2-methoxyphenyl)pyrrolidin-2-one	分子量：457.5 密度：N/A 沸点：N/A 熔点：N/A	912897-65-5	C₂₇H₂₇N₃O₄
1-(3-Methylphenyl)-4-(1-prop-2-ynylbenzimidazol-2-yl)pyrrolidin-2-one	1-(3-Methylphenyl)-4-(1-prop-2-ynylbenzimidazol-2-yl)pyrrolidin-2-one	分子量：329.4 密度：N/A 沸点：N/A 熔点：N/A	912902-45-5	C₂₁H₁₉N₃O
1-(azepan-1-yl)-3-(5,6-dimethyl-1H-benzo[d]imidazol-1-yl)propan-1-one	1-(azepan-1-yl)-3-(5,6-dimethyl-1H-benzo[d]imidazol-1-yl)propan-1-one	分子量：299.4 密度：N/A 沸点：N/A 熔点：N/A	912902-10-4	C₁₈H₂₅N₃O
1-butyl-4-{1-[2-(3-methylphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(3-methylphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：391.5 密度：N/A 沸点：N/A 熔点：N/A	912914-99-9	C₂₄H₂₉N₃O₂
2-[2-(1-benzyl-5-oxopyrrolidin-3-yl)-1H-1,3-benzodiazol-1-yl]-N-(3-chlorophenyl)acetamide	2-[2-(1-benzyl-5-oxopyrrolidin-3-yl)-1H-1,3-benzodiazol-1-yl]-N-(3-chlorophenyl)acetamide	分子量：458.9 密度：N/A 沸点：N/A 熔点：N/A	905767-09-1	C₂₆H₂₃ClN₄O₂
1-[3-(2H-Pyrazol-3-yl)-phenyl]-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine	1-[3-(2H-Pyrazol-3-yl)-phenyl]-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine	分子量：277.28 密度：N/A 沸点：N/A 熔点：N/A	896134-82-0	C₁₄H₁₁N₇
(1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazol-4-yl)(4-(furan-2-carbonyl)piperazin-1-yl)methanone	(1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazol-4-yl)(4-(furan-2-carbonyl)piperazin-1-yl)methanone	分子量：506.5 密度：N/A 沸点：N/A 熔点：N/A	1014068-72-4	C₂₇H₂₄F₂N₄O₄
1-butyl-4-{1-[2-(4-chlorophenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(4-chlorophenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：411.9 密度：N/A 沸点：N/A 熔点：N/A	912896-32-3	C₂₃H₂₆ClN₃O₂
1-benzyl-4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one	1-benzyl-4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one	分子量：363.5 密度：N/A 沸点：N/A 熔点：N/A	912889-86-2	C₂₂H₂₅N₃O₂
Methyl 2-{2-[1-(3-methylphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate	Methyl 2-{2-[1-(3-methylphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate	分子量：363.4 密度：N/A 沸点：N/A 熔点：N/A	912902-16-0	C₂₁H₂₁N₃O₃
Ethyl 2-{2-[1-(3-methylphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate	Ethyl 2-{2-[1-(3-methylphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate	分子量：377.4 密度：N/A 沸点：N/A 熔点：N/A	912897-29-1	C₂₂H₂₃N₃O₃
1-benzyl-4-{1-[2-oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-benzyl-4-{1-[2-oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：464.6 密度：N/A 沸点：N/A 熔点：N/A	915188-90-8	C₂₉H₂₈N₄O₂
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(2-methoxybenzyl)-1H-pyrazole-4-carboxamide	1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(2-methoxybenzyl)-1H-pyrazole-4-carboxamide	分子量：463.5 密度：N/A 沸点：N/A 熔点：N/A	1014070-83-7	C₂₆H₂₃F₂N₃O₃
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(furan-2-ylmethyl)-1H-pyrazole-4-carboxamide	1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(furan-2-ylmethyl)-1H-pyrazole-4-carboxamide	分子量：423.4 密度：N/A 沸点：N/A 熔点：N/A	1013755-46-8	C₂₃H₁₉F₂N₃O₃
2-[2-(1-butyl-5-oxopyrrolidin-3-yl)-1H-benzimidazol-1-yl]-N-methyl-N-phenylacetamide	2-[2-(1-butyl-5-oxopyrrolidin-3-yl)-1H-benzimidazol-1-yl]-N-methyl-N-phenylacetamide	分子量：404.5 密度：N/A 沸点：N/A 熔点：N/A	912896-74-3	C₂₄H₂₈N₄O₂
1-butyl-4-{1-[(2,5-dimethylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[(2,5-dimethylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：375.5 密度：N/A 沸点：N/A 熔点：N/A	912896-59-4	C₂₄H₂₉N₃O
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(o-tolyl)-1H-pyrazole-4-carboxamide	1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(o-tolyl)-1H-pyrazole-4-carboxamide	分子量：433.4 密度：N/A 沸点：N/A 熔点：N/A	1014089-40-7	C₂₅H₂₁F₂N₃O₂
1-Butyl-4-{1-[(2-chlorophenyl)methyl]benzimidazol-2-yl}pyrrolidin-2-one	1-Butyl-4-{1-[(2-chlorophenyl)methyl]benzimidazol-2-yl}pyrrolidin-2-one	分子量：381.9 密度：N/A 沸点：N/A 熔点：N/A	912896-54-9	C₂₂H₂₄ClN₃O
1-butyl-4-[1-(2-chloro-6-fluorobenzyl)-1H-benzimidazol-2-yl]pyrrolidin-2-one	1-butyl-4-[1-(2-chloro-6-fluorobenzyl)-1H-benzimidazol-2-yl]pyrrolidin-2-one	分子量：399.9 密度：N/A 沸点：N/A 熔点：N/A	912896-56-1	C₂₂H₂₃ClFN₃O
4-{1-[2-(2,4-Dimethylphenoxy)ethyl]benzimidazol-2-yl}-1-butylpyrrolidin-2-one	4-{1-[2-(2,4-Dimethylphenoxy)ethyl]benzimidazol-2-yl}-1-butylpyrrolidin-2-one	分子量：405.5 密度：N/A 沸点：N/A 熔点：N/A	912914-95-5	C₂₅H₃₁N₃O₂
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(2-fluorophenyl)-1H-pyrazole-4-carboxamide	1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(2-fluorophenyl)-1H-pyrazole-4-carboxamide	分子量：437.4 密度：N/A 沸点：N/A 熔点：N/A	1014090-17-5	C₂₄H₁₈F₃N₃O₂
2-[2-(1-butyl-5-oxopyrrolidin-3-yl)benzimidazolyl]-N-ethyl-N-phenylacetamide	2-[2-(1-butyl-5-oxopyrrolidin-3-yl)benzimidazolyl]-N-ethyl-N-phenylacetamide	分子量：418.5 密度：N/A 沸点：N/A 熔点：N/A	912901-56-5	C₂₅H₃₀N₄O₂
1-Butyl-4-[1-(cyclohexylmethyl)benzimidazol-2-yl]pyrrolidin-2-one	1-Butyl-4-[1-(cyclohexylmethyl)benzimidazol-2-yl]pyrrolidin-2-one	分子量：353.5 密度：N/A 沸点：N/A 熔点：N/A	912901-62-3	C₂₂H₃₁N₃O
4-{1-[(4-bromophenyl)methyl]-1H-1,3-benzodiazol-2-yl}-1-butylpyrrolidin-2-one	4-{1-[(4-bromophenyl)methyl]-1H-1,3-benzodiazol-2-yl}-1-butylpyrrolidin-2-one	分子量：426.3 密度：N/A 沸点：N/A 熔点：N/A	912901-32-7	C₂₂H₂₄BrN₃O
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(3-methoxyphenyl)-1H-pyrazole-4-carboxamide	1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(3-methoxyphenyl)-1H-pyrazole-4-carboxamide	分子量：449.4 密度：N/A 沸点：N/A 熔点：N/A	1014091-63-4	C₂₅H₂₁F₂N₃O₃
1-butyl-4-{1-[2-(2,6-dimethylphenoxy)ethyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(2,6-dimethylphenoxy)ethyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	分子量：405.5 密度：N/A 沸点：N/A 熔点：N/A	912896-44-7	C₂₅H₃₁N₃O₂
1-butyl-4-{1-[2-(2-methoxyphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(2-methoxyphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：407.5 密度：N/A 沸点：N/A 熔点：N/A	912896-38-9	C₂₄H₂₉N₃O₃
1-butyl-4-{1-[3-(2-methylphenoxy)propyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[3-(2-methylphenoxy)propyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	分子量：405.5 密度：N/A 沸点：N/A 熔点：N/A	912896-24-3	C₂₅H₃₁N₃O₂
1-butyl-4-{1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：361.5 密度：N/A 沸点：N/A 熔点：N/A	912901-44-1	C₂₃H₂₇N₃O
N-(2,4-difluorophenyl)-1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazole-4-carboxamide	N-(2,4-difluorophenyl)-1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazole-4-carboxamide	分子量：455.4 密度：N/A 沸点：N/A 熔点：N/A	1013756-97-2	C₂₄H₁₇F₄N₃O₂
1-butyl-4-{1-[2-(4-ethylphenoxy)ethyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(4-ethylphenoxy)ethyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	分子量：405.5 密度：N/A 沸点：N/A 熔点：N/A	912914-89-7	C₂₅H₃₁N₃O₂
1-butyl-4-[1-(4-methylbenzyl)-1H-benzimidazol-2-yl]pyrrolidin-2-one	1-butyl-4-[1-(4-methylbenzyl)-1H-benzimidazol-2-yl]pyrrolidin-2-one	分子量：361.5 密度：N/A 沸点：N/A 熔点：N/A	912896-65-2	C₂₃H₂₇N₃O
1-Butyl-4-{1-[(4-chlorophenyl)methyl]benzimidazol-2-yl}pyrrolidin-2-one	1-Butyl-4-{1-[(4-chlorophenyl)methyl]benzimidazol-2-yl}pyrrolidin-2-one	分子量：381.9 密度：N/A 沸点：N/A 熔点：N/A	912896-50-5	C₂₂H₂₄ClN₃O
1-butyl-4-{1-[2-(2-chlorophenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(2-chlorophenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：411.9 密度：N/A 沸点：N/A 熔点：N/A	912896-30-1	C₂₃H₂₆ClN₃O₂
1-butyl-4-{1-[2-(4-methylphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[2-(4-methylphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one	分子量：391.5 密度：N/A 沸点：N/A 熔点：N/A	912914-91-1	C₂₄H₂₉N₃O₂
1-butyl-4-{1-[3-(3-methylphenoxy)propyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	1-butyl-4-{1-[3-(3-methylphenoxy)propyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one	分子量：405.5 密度：N/A 沸点：N/A 熔点：N/A	912914-83-1	C₂₅H₃₁N₃O₂
N-(2,5-dimethoxyphenyl)-1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazole-4-carboxamide	N-(2,5-dimethoxyphenyl)-1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazole-4-carboxamide	分子量：479.5 密度：N/A 沸点：N/A 熔点：N/A	1013758-26-3	C₂₆H₂₃F₂N₃O₄
propan-2-yl 2-{2-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]-1H-1,3-benzodiazol-1-yl}acetate	propan-2-yl 2-{2-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]-1H-1,3-benzodiazol-1-yl}acetate	分子量：407.5 密度：N/A 沸点：N/A 熔点：N/A	912902-95-5	C₂₃H₂₅N₃O₄
isopropyl 2-(2-(1-(2-methoxyphenyl)-5-oxopyrrolidin-3-yl)-1H-benzo[d]imidazol-1-yl)acetate	isopropyl 2-(2-(1-(2-methoxyphenyl)-5-oxopyrrolidin-3-yl)-1H-benzo[d]imidazol-1-yl)acetate	分子量：407.5 密度：N/A 沸点：N/A 熔点：N/A	912897-71-3	C₂₃H₂₅N₃O₄
4-{1-[2-(2-Methoxyphenoxy)ethyl]benzimidazol-2-yl}-1-(3-methylphenyl)pyrrolidi n-2-one	4-{1-[2-(2-Methoxyphenoxy)ethyl]benzimidazol-2-yl}-1-(3-methylphenyl)pyrrolidi n-2-one	分子量：441.5 密度：N/A 沸点：N/A 熔点：N/A	912897-41-7	C₂₇H₂₇N₃O₃
Ethyl 2-{2-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate	Ethyl 2-{2-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate	分子量：393.4 密度：N/A 沸点：N/A 熔点：N/A	912897-98-4	C₂₂H₂₃N₃O₄
1-(3,5-Dimethylphenyl)-4-(1-propa-1,2-dienylbenzimidazol-2-yl)pyrrolidin-2-one	1-(3,5-Dimethylphenyl)-4-(1-propa-1,2-dienylbenzimidazol-2-yl)pyrrolidin-2-one	分子量：343.4 密度：N/A 沸点：N/A 熔点：N/A	912903-84-5	C₂₂H₂₁N₃O