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-cyclopropyl-4-(piperidin-4-yl)pyrimidine-5-carboxylate 1707594-77-1
4-(1-(tert-Butoxycarbonyl)piperidin-4-yl)pyrimidine-5-carboxylic acid 1710194-79-8
4-(1-(tert-Butoxycarbonyl)piperidin-4-yl)-2-cyclopropylpyrimidine-5-carboxylic acid 1707566-57-1
4-(Pyridin-4-yl)-2-(pyrrolidin-1-yl)pyrimidine-5-carboxylic acid 1708428-32-3
2-(Diethylamino)-4-(pyridin-4-yl)pyrimidine-5-carboxylic acid 1713462-89-5
4-(Pyridin-3-yl)-2-(pyrrolidin-1-yl)pyrimidine-5-carboxylic acid 1707735-48-5
4-(Pyridin-2-yl)-2-(pyrrolidin-1-yl)pyrimidine-5-carboxylic acid 1708268-67-0
2-(Diethylamino)-4-(pyridin-2-yl)pyrimidine-5-carboxylic acid 1708080-62-9
4-(Cyclopropylmethyl)-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxylic acid 1707594-78-2
4-Ethyl-3-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxylic acid 1707566-59-3
2-(4-Aminopiperidin-1-yl)-1-ethyl-1H-imidazol-5(4H)-one 1708268-70-5
4-Cyclopropyl-3-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepine-7-carboxylic acid 1708428-33-4
5-Ethyl-4-oxo-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxylic acid 1707399-96-9
5-(Cyclopropylmethyl)-4-oxo-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxylic acid 1707735-49-6
1-Methyl-2lambda6-thia-1-azaspiro[4.5]decane-2,2,4-trione 1708268-69-2
1-Ethyl-2-thia-1-azaspiro[4.5]decan-4-one 2,2-dioxide 1707394-60-2
Methyl 1-phenyl-5-(piperidin-4-yl)-1H-1,2,3-triazole-4-carboxylate 1707375-67-4
N-Methyl-1-phenyl-5-(piperidin-4-yl)-1H-1,2,3-triazole-4-carboxamide 1708370-84-6
4-(5,6,7,8-Tetrahydropyrido[4,3-d]pyrimidin-2-yl)thiomorpholine 1713639-79-2
2-(Azepan-1-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine 1708013-57-3
1-Methyl-2-(piperazin-1-yl)-1H-imidazol-5(4H)-one 1707735-51-0
2-(4-Aminopiperidin-1-yl)-1-phenyl-1H-imidazol-5(4H)-one 1707375-68-5
2-(4-Aminopiperidin-1-yl)-1-methyl-1H-imidazol-5(4H)-one 1707394-62-4
1-(1-Ethyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)piperidine-4-carboxylic acid 1707566-61-7
1-(1-Methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)piperidine-4-carboxylic acid 1710845-72-9
1-(5-Oxo-1-phenyl-4,5-dihydro-1H-imidazol-2-yl)piperidine-4-carboxylic acid 1708080-66-3
1-(3-methyl-1H-pyrazol-5-yl)piperidine-4-carboxylic acid 2169500-86-9
1-(5-Cyclopropyl-1H-pyrazol-3-yl)piperidine-4-carboxylic acid 1706542-45-1
3-(Aminomethyl)-7-cyclopropyl-[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one 1710845-76-3
3-(7-Cyclopropyl-8-oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)propanoic acid 1707735-50-9
3-(Chloromethyl)-7-cyclopropyl-[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one 1707375-69-6
2-(4-Cyclopropyl-2,3-dioxo-3,4-dihydropyrazin-1(2H)-yl)acetic acid 1708268-71-6
2-(Ethylsulfonyl)isonicotinic acid 1707372-93-7
2-(Phenylsulfonyl)isonicotinic acid 1713639-83-8
2-(2-Methyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)acetic acid 1708013-60-8
2-(2-Cyclopropyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)acetic acid 1713463-06-9
2-(2-(Furan-2-yl)-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)acetic acid 1708428-35-6
2-(4-Oxo-2-(thiophen-2-yl)-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)acetic acid 1707735-52-1
[4-(3-Methyl-[1,2,4]oxadiazol-5-yl)-imidazol-1-yl]-acetic acid 1710845-78-5
2-(4-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-1H-imidazol-1-yl)acetic acid 1707375-70-9
1-(6-(Methylsulfonyl)pyrimidin-4-yl)piperidine-4-carboxylic acid 1707594-81-7
4-(Methylsulfonyl)-6-(piperazin-1-yl)pyrimidine 1710194-83-4
2-(1-Benzyl-7-oxo-1H-pyrrolo[2,3-c]pyridin-6(7H)-yl)acetic acid 1708370-90-4
2-(1-(Cyclopropylmethyl)-7-oxo-1H-pyrrolo[2,3-c]pyridin-6(7H)-yl)acetic acid 1708013-62-0
4-Amino-N-methyl-2-(piperazin-1-yl)pyrimidine-5-carboxamide 1708428-36-7
4-Amino-N-ethyl-2-(piperazin-1-yl)pyrimidine-5-carboxamide 105161-82-8
4-Amino-N-cyclopropyl-2-(piperazin-1-yl)pyrimidine-5-carboxamide 1710674-79-5
2-(Piperazin-1-yl)-3-(1H-pyrazol-1-yl)pyrazine 1713639-86-1
1-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)piperidine-4-carboxylic acid 1707566-63-9
1-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)piperidin-4-amine 1708080-69-6

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