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
2-ethyl-3-(4-fluorophenyl)-7-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030653-74-7
N-{4-[2-ethyl-3-(4-fluorophenyl)-6-oxopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl]phenyl}acetamide 1030570-85-4
7-(4-acetylphenyl)-2-ethyl-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030673-78-9
2-ethyl-3-(4-fluorophenyl)-7-(2-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030524-98-1
7-(1,3-benzodioxol-5-yl)-2-ethyl-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030653-78-1
7-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-ethyl-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030570-89-8
2-ethyl-3-(4-fluorophenyl)-7-(3,4,5-trimethoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030673-83-6
2-ethyl-3-(4-fluorophenyl)-7-(1,3-thiazol-2-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030653-82-7
2-ethyl-3-(4-fluorophenyl)-7-(4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030570-93-4
N-{4-[3-(4-chlorophenyl)-2-ethyl-6-oxopyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-7(6H)-yl]phenyl}acetamide 1030571-57-3
Methyl 2-methyl-5-oxo-6-[3-(trifluoromethoxy)phenyl]-5,6-dihydro-1,6-naphthyridine-3-carboxylate 1030675-03-6
ethyl 8-(4-chlorophenyl)-4-[(E)-2-(dimethylamino)ethenyl]-7-ethylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate 1030448-24-8
2-ethyl-3-(4-fluorophenyl)-7-(5-methyl-4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1030481-85-6
Methyl 2-methyl-5-oxo-6-(1,3-thiazol-2-yl)-5,6-dihydro-1,6-naphthyridine-3-carboxylate 1010908-01-6
6-(4-bromophenyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5(6H)-one 1030500-99-2
6-(2-chlorophenyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5(6H)-one 1030501-19-9
N-(4-(2,4-dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)thiazol-2-yl)-3-methoxybenzamide 942665-27-2
4-methyl-1-(4-methylbenzyl)-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione 1087644-52-7
7-(1H-1,2,4-triazol-3-yl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one 1087654-55-4
1-(Pyridine-3-sulfonyl)piperazine 26103-50-4
N-{4-[2-ethyl-3-(4-methoxyphenyl)-6-oxopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl]phenyl}acetamide 1010874-42-6
7-(3,4-difluorophenyl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1040705-46-1
7-(1,3-benzodioxol-5-yl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081130-28-0
2-ethyl-3-(4-methoxyphenyl)-7-(5-methyl-4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081119-76-7
3-(4-bromophenyl)-2-methyl-7-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1010925-76-4
3-(4-bromophenyl)-7-(2-fluorophenyl)-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1010918-15-6
2-ethyl-3-(4-methoxyphenyl)-7-(pyridin-2-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081138-06-8
3-(4-bromophenyl)-2-methyl-7-(5-methyl-4H-1,2,4-triazol-3-yl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1040714-25-7
3-(4-bromophenyl)-7-(5-ethyl-4H-1,2,4-triazol-3-yl)-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081146-24-8
C19H14BrN7OS 1081122-53-3
3-(3-chlorophenyl)-7-(3,4-difluorophenyl)-2-methylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one 1081133-04-1
5-(3-Chlorophenyl)-11-(3,4-difluorophenyl)-4-methyl-2,3,7,8,11-pentazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,12-pentaen-10-one 1040712-12-6
3-(3-chlorophenyl)-2-methyl-7-(1,3-thiazol-2-yl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1040692-89-4
N-{4-[2-ethyl-3-(4-methoxyphenyl)-6-oxopyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-7(6H)-yl]phenyl}acetamide 1010902-30-3
2-ethyl-3-(4-methoxyphenyl)-7-[2-(trifluoromethyl)phenyl]pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1081121-74-5
7-(3,4-dichlorophenyl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1010879-23-8
7-[4-chloro-3-(trifluoromethyl)phenyl]-2-ethyl-3-(4-methoxyphenyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1081139-42-5
7-(2,3-dichlorophenyl)-2-ethyl-3-(4-methoxyphenyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1010913-57-1
3-(4-bromophenyl)-7-(4-methoxyphenyl)-2-methylpyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one 1040690-14-9
N-(Piperidin-1-YL)pyrimidin-2-amine 864434-19-5
(1R)-2-amino-1-[2-(propan-2-yloxy)phenyl]ethan-1-ol 2227769-27-7
3-Piperidinecarboxylic acid, 1-[(2-chloro-3-pyridinyl)methyl]-, methyl ester 1141990-07-9
2,2,3,3-tetrafluoropropyl 6-(1H-benzotriazol-1-ylcarbonyl)cyclohex-3-ene-1-carboxylate 312285-87-3
1-[(4-Chlorophenyl)methyl]-3'-(3-fluoro-4-methylphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894568-45-7
1-[(4-Chlorophenyl)methyl]-3'-(3-ethylphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894568-85-5
1-[(4-Chlorophenyl)methyl]-3'-[4-(propan-2-yl)phenyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894569-09-6
3'-(4-Fluorophenyl)-1-[(4-fluorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894569-41-6
2,3-Bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]propyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate 6386-64-7
3'-(3,5-Dimethylphenyl)-1-[(4-fluorophenyl)methyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894569-89-2
1-[(4-Fluorophenyl)methyl]-3'-(4-methylphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione 894570-27-5

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