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-(1-{5,6-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}azetidin-3-yl)-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one 2380191-38-6
3-(4-{5,6-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperazin-1-yl)-6-(pyridin-4-yl)pyridazine 2380180-16-3
5,6-Dimethyl-7-[4-(6-pyridin-2-ylpyridazin-3-yl)piperazin-1-yl]-[1,2,4]triazolo[1,5-a]pyrimidine 2380187-49-3
3-(4-{1,6-dimethyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}piperazin-1-yl)-6-(pyridin-2-yl)pyridazine 2380188-67-8
3-(4-{5,6-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperazin-1-yl)-6-(pyridin-3-yl)pyridazine 2380180-18-5
3-(4-{1,6-dimethyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}piperazin-1-yl)-6-(pyridin-3-yl)pyridazine 2380187-00-6
1-Cyclopropyl-3-[[1-[5-fluoro-6-(4-methoxyphenyl)pyrimidin-4-yl]azetidin-3-yl]-methylamino]pyrazin-2-one 2380187-02-8
1-(2-Methylpyrimidin-4-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane 2380180-26-5
1-(3-Methyl-1,2,4-thiadiazol-5-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane 2380192-41-4
N'-(3,4-Dimethylphenyl)-N-[(1-morpholin-4-ylcyclobutyl)methyl]oxamide 2380177-83-1
3-(2H-1,3-benzodioxol-5-yl)-1-{[4-(morpholin-4-yl)thian-4-yl]methyl}urea 2380192-52-7
3-(4-Fluorophenyl)-6-(4-{[5-(oxan-4-yl)-1,3,4-oxadiazol-2-yl]methyl}piperazin-1-yl)pyridazine 2380190-62-3
6-[3-(2-Methylbenzimidazol-1-yl)azetidin-1-yl]-[1,2,4]triazolo[4,3-b]pyridazine 2380192-48-1
N'-(2,6-dimethylphenyl)-N-{[1-(morpholin-4-yl)cyclobutyl]methyl}ethanediamide 2380179-91-7
Tert-butyl 4-[(4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidine-1-carboxylate 2380180-90-3
tert-butyl 3-(2-methyl-1H-1,3-benzodiazol-1-yl)azetidine-1-carboxylate 2380180-19-6
2-{4-[6-(pyridin-4-yl)pyridazin-3-yl]piperazin-1-yl}-4H-pyrido[1,2-a]pyrimidin-4-one 2380176-31-6
2-[4-(6-Pyridin-2-ylpyridazin-3-yl)piperazin-1-yl]pyrido[1,2-a]pyrimidin-4-one 2380190-72-5
2-{4-[6-(pyridin-3-yl)pyridazin-3-yl]piperazin-1-yl}-4H-pyrido[1,2-a]pyrimidin-4-one 2380187-55-1
2-methyl-1-(1-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}azetidin-3-yl)-1H-1,3-benzodiazole 2380190-69-0
1-(4,6-Dimethylpyrimidin-2-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane 2380192-72-1
1-(1-{2-methylpyrazolo[1,5-a]pyrazin-4-yl}azetidin-3-yl)-1H-1,3-benzodiazole 2380193-32-6
3-(Pyridin-2-yl)-6-(4-{thieno[3,2-d]pyrimidin-4-yl}piperazin-1-yl)pyridazine 2380192-76-5
1-{1-[3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]azetidin-3-yl}-1H-1,3-benzodiazole 2380193-78-0
2-methyl-1-(1-{pyrido[2,3-d]pyrimidin-4-yl}azetidin-3-yl)-1H-1,3-benzodiazole 2380179-22-4
N'-(3-methoxyphenyl)-N-{[1-(morpholin-4-yl)cyclobutyl]methyl}ethanediamide 2380193-82-6
2-[3-(2-Methylbenzimidazol-1-yl)azetidin-1-yl]pyrido[1,2-a]pyrimidin-4-one 2380194-06-7
1-(5-Fluoropyrimidin-2-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane 2380193-02-0
1-(5-Fluoropyrimidin-4-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane 2380191-72-8
6-(3-fluorophenyl)-2-{1-[(1-methyl-1H-imidazol-2-yl)sulfonyl]azetidin-3-yl}-2,3-dihydropyridazin-3-one 2380186-02-5
6-(3-fluorophenyl)-2-{1-[(1-methyl-1H-pyrazol-4-yl)sulfonyl]azetidin-3-yl}-2,3-dihydropyridazin-3-one 2380185-45-3
N-[(thiophen-2-yl)methyl]-4-[6-(trifluoromethyl)pyridazin-3-yl]piperazine-1-carboxamide 2380179-62-2
5-bromo-2-chloro-N-{[1-(morpholin-4-yl)cyclobutyl]methyl}benzamide 2380178-62-9
N'-[2-(cyclohex-1-en-1-yl)ethyl]-N-{[4-(morpholin-4-yl)thian-4-yl]methyl}ethanediamide 2380188-02-1
2-{1-[2-(2,3-Dihydro-1,4-benzodioxin-2-yl)acetyl]azetidin-3-yl}-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one 2380192-86-7
1-(1-{pyrido[3,4-d]pyrimidin-4-yl}azetidin-3-yl)-1H-1,3-benzodiazole 2380188-04-3
2,5-Dimethyl-7-[3-(2-methylbenzimidazol-1-yl)azetidin-1-yl]pyrazolo[1,5-a]pyrimidine 2380193-30-4
N-(oxan-4-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane-1-carboxamide 2380182-24-9
N'-[2-(methylsulfanyl)phenyl]-N-{[1-(morpholin-4-yl)cyclobutyl]methyl}ethanediamide 2380183-58-2
N'-(2H-1,3-benzodioxol-5-yl)-N-{[1-(morpholin-4-yl)cyclobutyl]methyl}ethanediamide 2380188-21-4
4-(3,5-Dimethylpyrazol-1-yl)-6-[[1-(1-methylimidazol-2-yl)sulfonylpiperidin-4-yl]methoxy]pyrimidine 2380193-71-3
1-(5-Ethylpyrimidin-2-yl)-4-[3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]-1,4-diazepane 2380181-72-4
2-{1-[4-(Morpholin-4-yl)benzoyl]azetidin-3-yl}-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one 2380189-31-9
N-{[1-(morpholin-4-yl)cyclobutyl]methyl}-N'-(2-phenylethyl)ethanediamide 2380181-55-3
N'-(3-chloro-4-methylphenyl)-N-{[1-(morpholin-4-yl)cyclobutyl]methyl}ethanediamide 2380189-36-4
N'-(2-Cyanophenyl)-N-[(4-morpholin-4-ylthian-4-yl)methyl]oxamide 2380189-46-6
Tert-butyl 3-[(4-chlorophenyl)methyl]-2,4-dioxo-1,3,7-triazaspiro[4.5]decane-7-carboxylate 2379953-76-9
3-[4-(5-Methylpyrimidin-2-yl)piperazin-1-yl]-6-phenylpyridazine 2380178-76-5
3-[3-[1,3-Benzoxazol-2-yl(methyl)amino]azetidin-1-yl]pyrazine-2-carbonitrile 2380178-42-5
N-Benzyl-3-oxo-4-[2-(trifluoromethyl)pyridin-4-yl]piperazine-1-carboxamide 2380178-49-2

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