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-[(5-chloropyrazin-2-yl)methyl]-2-ethyl-6-methylmorpholine-4-carboxamide 2094704-22-8
2,5-dichloro-N-[1-(oxan-2-yl)-1H-pyrazol-4-yl]pyridine-4-carboxamide 2094914-95-9
6-cyano-N-(4-cyano-6-methylpyridin-2-yl)-N-cyclopropylpyridine-3-sulfonamide 2094591-03-2
[(2,2-Dichloro-3,3-dimethylcyclopropyl)methyl]-diethylamine 10294-73-2
Ethyl 3-amino-6-(trifluoromethyl)pyridine-2-acetate 1805591-32-5
3-(4-formyl-2-methoxyphenoxy)-N-[(5-methoxypyridin-3-yl)methyl]propanamide 2094480-56-3
N-({2-[(4-chlorophenyl)methyl]-1,3-thiazol-4-yl}methyl)-4-oxoazetidine-2-carboxamide 2094111-71-2
1-(3-chloropyrazine-2-carbonyl)-3-(propan-2-yl)-2,3-dihydro-1H-indole 2094710-91-3
2-{2,9-Dioxaspiro[5.5]undecan-3-yl}acetic acid 2090711-64-9
(6-Oxaspiro[3.5]nonan-7-YL)methanamine 2092518-41-5
2,4,6-trichloro-N-[(3R)-oxan-3-yl]pyridine-3-sulfonamide 2094020-64-9
N-(3,5-Dichlorophenyl)-Na(2)-2-pyrimidinylurea 103982-63-4
1-Butyl-3-(3-hydroxypropyl)-1-propylurea 2169509-42-4
Urea, N-[2-(diethylamino)ethyl]-Na(2)-(5-methyl-2-pyrazinyl)- 2203403-88-5
3-Pyrrolidinecarboxamide, 1-methyl-N-6-oxaspiro[4.5]dec-9-yl-5-oxo-2-(3-pyridinyl)- 1951371-46-2
2-(2-Nitrobenzenesulfonyl)-2,7-diazaspiro[4.4]nonane 2038830-78-1
3-{[3-(Oxan-4-yl)-1,2,4-oxadiazol-5-yl]methyl}pyridine 2060052-00-6
(4,4-Difluoropyrrolidin-2-yl)(pyrrolidin-1-yl)methanone 1869359-19-2
(4,4-Difluoropyrrolidin-2-yl)(morpholino)methanone 1869263-38-6
4,4-difluoro-N-isobutylpyrrolidine-2-carboxamide 1869382-84-2
N-(cyclopropylmethyl)-4,4-difluoropyrrolidine-2-carboxamide 1869061-64-2
(4,4-Difluoropyrrolidin-2-yl)(thiomorpholino)methanone 1869443-62-8
Benzoic acid, 4-[5-(difluoromethyl)-3-thienyl]-2-fluoro- 2149597-26-0
4-Chloro-5-(difluoromethyl)thiazole 2149601-31-8
Tert-butyl (2-((5-bromopyrimidin-2-yl)oxy)ethyl)carbamate 2052136-26-0
Naphthalene-1,2-diyldi(boronic Acid pinacol Ester) 2072801-91-1
Methyl 4-(3-(6,7-dihydro-5H-cyclopenta[b]pyridin-3-yl)ureido)benzoate 2096106-45-3
1-(6,7-Dihydro-5H-cyclopenta[b]pyridin-3-yl)-3-(4-methylbenzyl)urea 2096216-17-8
1-(6,7-Dihydro-5H-cyclopenta[b]pyridin-3-yl)-3-phenethylurea 2096244-09-4
1-Benzyl-3-(6,7-dihydro-5H-cyclopenta[b]pyridin-3-yl)urea 2096321-28-5
D-Valine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N,3-dimethyl- 2049127-89-9
(R)-Ethyl 2-(2-benzyl-3-((methylsulfonyl)oxy)propanamido)acetate 2184736-45-4
(5S)-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid 905297-74-7
methyl (2R)-2-{[(2S)-2-benzyl-4-[(4-methyl-1H-imidazol-5-yl)methyl]-3-oxopiperazine-1-carbonyl]amino}-4-methylpentanoate 501010-09-9
1-Cyclobutyl-2-(pyrrolidin-2-yl)propan-1-one 1877093-20-3
7-Bromo-4-chloro-1-benzothiophene 1388042-07-6
5-Bromo-2-iodooxazole 1602652-72-1
8-propyl-5,6,7,8-tetrahydro-4H-thieno[2,3-b]azepine-2-carboxylic acid 2092723-01-6
(2-Propan-2-yl-2-azaspiro[4.5]decan-4-yl)methanamine 2090331-10-3
1-{[(2S)-4,4-difluorotetrahydro-1H-pyrrol-2-yl]methyl}azepane 2096133-61-6
Tert-butyl cis-((4-methylpiperidin-2-YL)methyl)carbamate 1955499-71-4
Tert-butyl-[(E,3R)-1-iodopent-1-en-3-yl]oxy-diphenylsilane 1309610-39-6
Ethyl 2-[(6-tert-butylpyrimidin-4-yl)amino]acetate 1996921-23-3
N,6-dicyclopropylpyrimidin-4-amine 2097976-59-3
N-(2-{[2,2'-bithiophene]-5-yl}-2-hydroxyethyl)-3-(3-chlorophenyl)propanamide 2097932-10-8
Rel-methyl (3aR,6aS)-hexahydrocyclopenta[b]pyrrole-3a(1H)-carboxylate 2089245-58-7
N-cyclobutyl-6-cyclopropylpyrimidin-4-amine 2097857-71-9
Rac-methyl (3AR,6AS)-octahydrocyclopenta[B]pyrrole-3A-carboxylate 2379905-33-4
(R,E)-2-((2-(Diphenylphosphanyl)benzylidene)amino)-3,3-dimethylbutanoic acid 1384241-48-8
rac-(1R,6S)-2-[(tert-butoxy)carbonyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid 2307784-72-9

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