CAS Number Index

A CAS Registry Number,also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.（information coming from wikipedia.org)

Name CAS Number
methyl 2-(8-(4-ethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate 887465-71-6
(1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazol-4-yl)(morpholino)methanone 1014067-70-9
8-(4-methoxybenzyl)-1,6,7-trimethyl-3-(2-morpholinoethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione 887213-44-7
3-isobutyl-8-(2-methoxyethyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione 887464-87-1
CID 16615323 886894-58-2
3-Butyl-8-(2-furylmethyl)-1,7-dimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]puri ne-2,4-dione 887454-57-1
2-{1-[2-(4-Methoxyphenoxy)ethyl]benzimidazol-2-yl}propan-2-ol 912897-23-5
1-butyl-4-{1-[3-(2-methoxyphenoxy)propyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912914-81-9
4-{1-[2-(3-methoxyphenoxy)ethyl]-1H-benzimidazol-2-yl}-1-(2-methoxyphenyl)pyrrolidin-2-one 912897-65-5
1-(3-Methylphenyl)-4-(1-prop-2-ynylbenzimidazol-2-yl)pyrrolidin-2-one 912902-45-5
1-(azepan-1-yl)-3-(5,6-dimethyl-1H-benzo[d]imidazol-1-yl)propan-1-one 912902-10-4
1-butyl-4-{1-[2-(3-methylphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912914-99-9
2-[2-(1-benzyl-5-oxopyrrolidin-3-yl)-1H-1,3-benzodiazol-1-yl]-N-(3-chlorophenyl)acetamide 905767-09-1
1-[3-(2H-Pyrazol-3-yl)-phenyl]-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine 896134-82-0
(1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazol-4-yl)(4-(furan-2-carbonyl)piperazin-1-yl)methanone 1014068-72-4
1-butyl-4-{1-[2-(4-chlorophenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912896-32-3
1-benzyl-4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one 912889-86-2
Methyl 2-{2-[1-(3-methylphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate 912902-16-0
Ethyl 2-{2-[1-(3-methylphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate 912897-29-1
1-benzyl-4-{1-[2-oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 915188-90-8
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(2-methoxybenzyl)-1H-pyrazole-4-carboxamide 1014070-83-7
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(furan-2-ylmethyl)-1H-pyrazole-4-carboxamide 1013755-46-8
2-[2-(1-butyl-5-oxopyrrolidin-3-yl)-1H-benzimidazol-1-yl]-N-methyl-N-phenylacetamide 912896-74-3
1-butyl-4-{1-[(2,5-dimethylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912896-59-4
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(o-tolyl)-1H-pyrazole-4-carboxamide 1014089-40-7
1-Butyl-4-{1-[(2-chlorophenyl)methyl]benzimidazol-2-yl}pyrrolidin-2-one 912896-54-9
1-butyl-4-[1-(2-chloro-6-fluorobenzyl)-1H-benzimidazol-2-yl]pyrrolidin-2-one 912896-56-1
4-{1-[2-(2,4-Dimethylphenoxy)ethyl]benzimidazol-2-yl}-1-butylpyrrolidin-2-one 912914-95-5
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(2-fluorophenyl)-1H-pyrazole-4-carboxamide 1014090-17-5
2-[2-(1-butyl-5-oxopyrrolidin-3-yl)benzimidazolyl]-N-ethyl-N-phenylacetamide 912901-56-5
1-Butyl-4-[1-(cyclohexylmethyl)benzimidazol-2-yl]pyrrolidin-2-one 912901-62-3
4-{1-[(4-bromophenyl)methyl]-1H-1,3-benzodiazol-2-yl}-1-butylpyrrolidin-2-one 912901-32-7
1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-N-(3-methoxyphenyl)-1H-pyrazole-4-carboxamide 1014091-63-4
1-butyl-4-{1-[2-(2,6-dimethylphenoxy)ethyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one 912896-44-7
1-butyl-4-{1-[2-(2-methoxyphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912896-38-9
1-butyl-4-{1-[3-(2-methylphenoxy)propyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one 912896-24-3
1-butyl-4-{1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912901-44-1
N-(2,4-difluorophenyl)-1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazole-4-carboxamide 1013756-97-2
1-butyl-4-{1-[2-(4-ethylphenoxy)ethyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one 912914-89-7
1-butyl-4-[1-(4-methylbenzyl)-1H-benzimidazol-2-yl]pyrrolidin-2-one 912896-65-2
1-Butyl-4-{1-[(4-chlorophenyl)methyl]benzimidazol-2-yl}pyrrolidin-2-one 912896-50-5
1-butyl-4-{1-[2-(2-chlorophenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912896-30-1
1-butyl-4-{1-[2-(4-methylphenoxy)ethyl]-1H-1,3-benzodiazol-2-yl}pyrrolidin-2-one 912914-91-1
1-butyl-4-{1-[3-(3-methylphenoxy)propyl]-1H-benzimidazol-2-yl}pyrrolidin-2-one 912914-83-1
N-(2,5-dimethoxyphenyl)-1-(4-fluorobenzyl)-3-((4-fluorobenzyl)oxy)-1H-pyrazole-4-carboxamide 1013758-26-3
propan-2-yl 2-{2-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]-1H-1,3-benzodiazol-1-yl}acetate 912902-95-5
isopropyl 2-(2-(1-(2-methoxyphenyl)-5-oxopyrrolidin-3-yl)-1H-benzo[d]imidazol-1-yl)acetate 912897-71-3
4-{1-[2-(2-Methoxyphenoxy)ethyl]benzimidazol-2-yl}-1-(3-methylphenyl)pyrrolidi n-2-one 912897-41-7
Ethyl 2-{2-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]benzimidazolyl}acetate 912897-98-4
1-(3,5-Dimethylphenyl)-4-(1-propa-1,2-dienylbenzimidazol-2-yl)pyrrolidin-2-one 912903-84-5

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