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
6-Tert-butyl-2-(1-{thieno[3,2-d]pyrimidin-4-yl}piperidin-4-yl)-2,3-dihydropyridazin-3-one 2320178-26-3
1-[4-(3-{[(5-Bromopyrimidin-2-yl)oxy]methyl}piperidine-1-carbonyl)piperidin-1-yl]ethan-1-one 2379977-80-5
4-{[1-(1-Methanesulfonylpiperidine-4-carbonyl)piperidin-4-yl]methoxy}-2-methylpyridine 2379995-68-1
N-(2,6-difluorophenyl)-3-[(1H-1,2,3-triazol-1-yl)methyl]azetidine-1-carboxamide 2320178-64-9
N-(2,6-Difluorophenyl)-3-(1,2,5-thiadiazol-3-yloxy)pyrrolidine-1-carboxamide 2320505-17-5
2-({1-[(1-methyl-1H-pyrazol-4-yl)sulfonyl]piperidin-3-yl}methoxy)pyrimidine 2379972-17-3
4-{[1-(3,4-dihydro-2H-1-benzopyran-2-carbonyl)piperidin-4-yl]methoxy}-6-methylpyrimidine 2380032-98-2
2-(2-Chlorophenyl)-1-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)ethan-1-one 2380043-96-7
2-Methyl-4-[(1-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}piperidin-4-yl)methoxy]pyridine 2379972-57-1
N-(3-phenylpropyl)-3-(1H-1,2,3-triazol-1-yl)-8-azabicyclo[3.2.1]octane-8-carboxamide 2310096-61-6
2-({1-[2-(4-chloro-3-methylphenoxy)acetyl]piperidin-4-yl}methyl)-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-3-one 2320505-45-9
2-({1-[2-(2,5-Dimethylphenoxy)acetyl]piperidin-4-yl}methyl)-2,3,5,6,7,8-hexahydrocinnolin-3-one 2320178-81-0
2-(2-Chloro-6-fluorophenyl)-1-{3-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}ethan-1-one 2379977-49-6
N-[(4-Chlorophenyl)methyl]-3-(triazol-1-ylmethyl)azetidine-1-carboxamide 2320505-71-1
4-({3-Fluoro-8-azabicyclo[3.2.1]octan-8-yl}sulfonyl)-2,1,3-benzothiadiazole 2320851-66-7
2-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-4-one 2379971-72-7
1-{3-[(Pyrimidin-2-yloxy)methyl]piperidin-1-yl}-2-[3-(trifluoromethyl)phenyl]ethan-1-one 2379975-33-2
2-({1-[2-(4-Bromophenyl)acetyl]piperidin-4-yl}methyl)-2,3,5,6,7,8-hexahydrocinnolin-3-one 2380061-08-3
6-Tert-butyl-2-[1-[2-(2,4-dichlorophenoxy)acetyl]piperidin-4-yl]pyridazin-3-one 2309733-65-9
4-{[1-(3,4-dihydro-2H-1-benzopyran-3-carbonyl)piperidin-4-yl]methoxy}-5,6-dimethylpyrimidine 2379994-58-6
2-Methyl-4-[(1-{pyrido[2,3-d]pyrimidin-4-yl}piperidin-4-yl)methoxy]pyridine 2379987-72-9
2-Methyl-4-[(1-{pyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)methoxy]pyridine 2380056-62-0
N-(3-phenylpropyl)-3-[(1H-1,2,3-triazol-1-yl)methyl]azetidine-1-carboxamide 2310153-89-8
1-(4-{[(2-Methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)-2-[4-(trifluoromethyl)phenyl]ethan-1-one 2380034-78-4
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-(pyrimidin-2-yl)-1,4-diazepane 2320416-15-5
4-amino-N3-benzyl-N5-methyl-1,2-thiazole-3,5-dicarboxamide 2310154-17-5
2-{[1-(1-Methanesulfonylpiperidine-4-carbonyl)piperidin-3-yl]methoxy}pyrimidine 2380070-23-3
1-[3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbonyl]-2,3-dihydro-1H-indole 2325048-01-7
2-{[1-(1-Methanesulfonylpiperidine-4-carbonyl)piperidin-4-yl]methoxy}-6-(trifluoromethyl)pyridine 2320416-59-7
2-Methyl-4-[(1-{[1,3]thiazolo[4,5-c]pyridin-2-yl}piperidin-4-yl)methoxy]pyridine 2379971-48-7
N-(4-{[4-({[6-(trifluoromethyl)pyridin-2-yl]oxy}methyl)piperidin-1-yl]methyl}phenyl)acetamide 2379971-52-3
2-(2-Bromophenyl)-1-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)ethan-1-one 2379949-57-0
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-(6-methylpyrimidin-4-yl)-1,4-diazepane 2310205-28-6
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-(4-methylpyrimidin-2-yl)-1,4-diazepane 2320416-94-0
2-Methyl-4-[(1-{thieno[3,2-d]pyrimidin-4-yl}piperidin-4-yl)methoxy]pyridine 2379976-29-9
2-(2-Bromo-4-fluorophenyl)-1-{3-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}ethan-1-one 2379983-93-2
3-{[1-(1-Methanesulfonylpiperidine-4-carbonyl)piperidin-4-yl]methoxy}-6-methylpyridazine 2320851-90-7
1-(3-{[(5-Bromopyrimidin-2-yl)oxy]methyl}piperidin-1-yl)-2-(4-fluorophenyl)ethan-1-one 2380043-67-2
6-Tert-butyl-2-[1-(2,3-dihydro-1-benzofuran-5-sulfonyl)piperidin-4-yl]-2,3-dihydropyridazin-3-one 2310098-15-6
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-(5-fluoropyrimidin-4-yl)-1,4-diazepane 2310205-52-6
1-{[1,2,4]Triazolo[4,3-b]pyridazin-6-yl}-4-[6-(trifluoromethyl)pyridine-3-carbonyl]-1,4-diazepane 2380040-29-7
3-{[1-(Pyrimidin-2-yl)pyrrolidin-2-yl]methyl}-1-[4-(trifluoromethyl)phenyl]urea 2380040-33-3
N-(3-Methoxyphenyl)-4-[(2-methylpyridin-4-yl)oxymethyl]piperidine-1-carboxamide 2380040-44-6
2-(4-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-1,4-diazepan-1-yl)pyridine-3-carbonitrile 2379973-00-7
2-(4-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-1,4-diazepan-1-yl)pyridine-4-carbonitrile 2379977-41-8
6-(4-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-1,4-diazepan-1-yl)pyridine-2-carbonitrile 2379974-86-2
2-Methyl-4-({1-[3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidin-4-yl}methoxy)pyridine 2379983-81-8
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-[(pyridin-3-yl)methyl]-1,4-diazepane 2380068-09-5
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-[(pyridin-2-yl)methyl]-1,4-diazepane 2310205-76-4
1-{3-Cyclobutyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-4-[(pyridin-4-yl)methyl]-1,4-diazepane 2379987-11-6

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