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
N-(4-chloro-3-methylphenyl)-5H,6H,7H-cyclopenta[c]pyridazine-3-carboxamide 2415582-93-1
4,6-Dimethyl-N-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)pyrimidine-2-carboxamide 2415539-67-0
3-Tert-butyl-6-[5-(2,4-dimethyl-1,3-thiazole-5-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridazine 2415539-72-7
4,6-Dimethyl-N-(2-methyl-1,3-thiazol-5-yl)pyrimidine-2-carboxamide 2415455-52-4
2-cyclopropyl-N-[2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl]-6-methylpyrimidine-4-carboxamide 2415518-54-4
2-Cyclopropyl-4-methyl-6-{4-[(pyridin-3-yl)methyl]piperazine-1-carbonyl}pyrimidine 2415540-31-5
2-cyclopropyl-6-methyl-N-[2-(2-methyl-1H-imidazol-1-yl)ethyl]pyrimidine-4-carboxamide 2415518-56-6
1-(3-Methoxybenzoyl)-3-{octahydrocyclopenta[c]pyrrol-2-yl}azetidine 2415598-94-4
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridazine-3-carboxamide 2415553-70-5
N-[2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl]-5-fluoro-4-methylpyridine-2-carboxamide 2415519-87-6
N,5-Dimethyl-N-(1-pyridin-2-ylazetidin-3-yl)pyrazine-2-carboxamide 2415621-14-4
6-{5-[3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbonyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyridine-3-carbonitrile 2415604-26-9
5-{5H,6H,7H-cyclopenta[c]pyridazine-3-carbonyl}-4H,5H,6H,7H-thieno[3,2-c]pyridine 2415586-27-3
N-[2-(Cyclohexen-1-yl)ethyl]-2-cyclopropyl-6-methylpyrimidine-4-carboxamide 2415531-15-4
5-Chloro-N-[(6-hydroxy-1,4-dithiepan-6-yl)methyl]-2-methoxybenzamide 2415540-82-6
5-fluoro-4-methyl-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}pyridine 2415520-22-6
3-fluoro-2-methyl-6-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}pyridine 2415540-95-1
4,6-Dimethyl-N-(4-methylpyridin-2-yl)pyrimidine-2-carboxamide 2415520-57-7
2-Cyclopropyl-6-methyl-N-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)pyrimidine-4-carboxamide 2415555-45-0
2-Benzylsulfanyl-N-[1-(oxan-4-yl)pyrrolidin-3-yl]acetamide 2415520-66-8
4,4,4-Trifluoro-N-[[5-(2-methylpyrazol-3-yl)furan-2-yl]methyl]butanamide 2415533-71-8
3-{4-[5-(Trifluoromethyl)pyridin-2-yl]piperazine-1-carbonyl}-5,6,7,8-tetrahydrocinnoline 2415521-27-4
N-[(6-Hydroxy-1,4-dithiepan-6-yl)methyl]-2-(2-methoxyphenoxy)acetamide 2415462-71-2
3-Tert-butyl-1-[(6-hydroxy-1,4-dithiepan-6-yl)methyl]urea 2415562-07-9
2-(benzyloxy)-N-[(6-hydroxy-1,4-dithiepan-6-yl)methyl]acetamide 2415468-75-4
5-Fluoro-6-methyl-N-(5-methyl-1,3,4-thiadiazol-2-yl)pyridine-2-carboxamide 2415586-65-9
6-Methyl-N-(2-methyl-1,3-thiazol-5-yl)pyrazine-2-carboxamide 2415463-39-5
5-Fluoro-4-methyl-N-(5-methyl-1,3,4-thiadiazol-2-yl)pyridine-2-carboxamide 2415620-62-9
N-(4-Cyclopropyl-1,3-thiazol-2-yl)-5-fluoro-4-methylpyridine-2-carboxamide 2415491-09-5
4-{1-[2-(Benzylsulfanyl)acetyl]azetidin-3-yl}piperazin-2-one 2415469-13-3
N-(4-Cyclopropyl-1,3-thiazol-2-yl)-5-fluoro-6-methylpyridine-2-carboxamide 2415542-59-3
5-(6-tert-butylpyridazin-3-yl)-N-(prop-2-en-1-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carboxamide 2415586-79-5
3-(2-Bromophenyl)-N-[1-(oxan-4-yl)pyrrolidin-3-yl]propanamide 2415562-32-0
1-[5-(6-Tert-butylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-2-(3,5-dimethyl-1,2-oxazol-4-yl)ethan-1-one 2415470-89-0
5-Fluoro-4-methyl-N-(2-methyl-1,3-thiazol-5-yl)pyridine-2-carboxamide 2415471-85-9
N-Methyl-N-[1-(3,3,3-trifluoropropylsulfonyl)piperidin-4-yl]pyrimidin-4-amine 2415541-88-5
2-{2-[5-(6-Tert-butylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-2-oxoethyl}-6-methyl-2,3-dihydropyridazin-3-one 2415628-39-4
1,3,5-trimethyl-N-[1-(oxan-4-yl)pyrrolidin-3-yl]-1H-pyrazole-4-sulfonamide 2415555-19-8
6,7-dimethyl-3-{2-oxo-2-[3-(pyridin-4-yloxy)azetidin-1-yl]ethyl}-2H,3H,5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one 2415631-36-4
6-{5-[1-(Oxan-4-yl)-5-oxopyrrolidine-3-carbonyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyridine-3-carbonitrile 2415490-63-8
N-(6-Methoxypyrimidin-4-yl)-4,6-dimethylpyrimidine-2-carboxamide 2415631-61-5
1-(2-Chloro-4-fluorobenzoyl)-3-{octahydrocyclopenta[c]pyrrol-2-yl}azetidine 2415524-09-1
N-[(2-Methoxypyridin-3-yl)methyl]-6-methylpyrazine-2-carboxamide 2415524-15-9
N-[(5-Cyclopropyl-2-fluorophenyl)methyl]but-2-ynamide 2411293-08-6
N-(1-Cyanoethyl)-N-methyl-2-(1-methylpyrazol-4-yl)oxybenzamide 2418708-36-6
N-[4-Bromo-3-(phenylmethoxy)phenyl]-N-(2,2-diethoxyethyl)methanesulfonamide 2087111-81-5
1-Methyl-4-[[4-[6-(4-methylphenyl)pyridazin-3-yl]piperazin-1-yl]methyl]pyridin-2-one 2380088-19-5
Methyl 2-(azetidin-3-yl)-2-methoxyacetate 2375261-67-7
3-Bromo-4-methyl-5-(sulfamoylamino)pyridine 2168761-41-7
5-Bromo-2-fluoro-1-methylbenzimidazole 2296362-19-9

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