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-[2-(cyclopropylcarbamoyl)ethyl]-N-methylbut-2-ynamide 2411229-50-8
N-(1-Cyano-2-phenylethyl)but-2-ynamide 2411240-63-4
N-[1-(1,2,4-Triazol-4-yl)propan-2-yl]but-2-ynamide 2411285-90-8
N-[1-(3-Cyanophenyl)cyclopropyl]but-2-ynamide 2411224-47-8
2-Chloro-N-[1-(2,3-dihydro-1H-inden-5-yl)ethyl]acetamide 2411259-89-5
2-Chloro-N-[2-(1,3-thiazol-2-yl)butan-2-yl]acetamide 2411270-27-2
6-methyl-N-[3-(prop-2-enamido)cyclobutyl]pyridine-2-carboxamide 2411238-34-9
N-[(3-cyclopropyl-4,5-dihydro-1,2-oxazol-5-yl)methyl]prop-2-enamide 2649068-61-9
5-Iodo-4,6-dimethylpyridin-3-amine 2415263-11-3
4-[5-(3,3-Difluorocyclobutanecarbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-5,6-dimethylpyrimidine 2415555-53-0
N-Cyclohexyl-2-methyl-6-(trifluoromethyl)pyrimidine-4-carboxamide 2415456-73-2
3-{7-Azabicyclo[2.2.1]heptan-7-yl}-1lambda6,2-benzothiazole-1,1-dione 2415501-38-9
1-(3,4-Difluorobenzenesulfonyl)-3-{octahydrocyclopenta[c]pyrrol-2-yl}azetidine 2415582-27-1
4-(morpholin-4-yl)-N-{2-[6-oxo-3-(trifluoromethyl)-1,6-dihydropyridazin-1-yl]ethyl}benzamide 2415456-89-0
7-Fluoro-2-methyl-3-{[1-(4-methyl-3-oxo-3,4-dihydropyrazin-2-yl)piperidin-4-yl]methyl}-3,4-dihydroquinazolin-4-one 2415622-97-6
3-({4-[(7-Fluoro-2-methyl-4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidin-1-yl}methyl)benzonitrile 2415500-96-6
3-{[5-(1-methyl-1H-pyrazol-5-yl)furan-2-yl]methyl}-1-[(naphthalen-1-yl)methyl]urea 2415521-05-8
1-[6-(Piperazin-1-yl)pyrazin-2-yl]pyrrolidin-2-one 2415542-00-4
4-chloro-5-(chloromethyl)-6-methoxy-2-methylPyrimidine 2446509-38-0
3-Tert-butyl-6-(5-{pyrazolo[1,5-a]pyrimidin-5-yl}-octahydropyrrolo[3,4-c]pyrrol-2-yl)pyridazine 2415503-64-7
N-(2-Bromophenyl)-6-methylpyrazine-2-carboxamide 2415520-08-8
N-(4-Methoxyphenyl)piperidin-4-amine dihydrochloride 1951439-07-8
1-[2-[[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide 1797406-83-7
(3R)-3-{[(tert-butoxy)carbonyl]amino}-3-(4-iodophenyl)propanoic acid 1366273-76-8
Tetrabutylammonium (1R,2S,5R)-2-(2-((R)-1-(tert-butoxycarbonyl)piperidine-3-carbonyl)hydrazinecarbonyl)-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl sulfate 1436862-01-9
5-chloro-2-[(1R)-1-hydroxyethyl]-3-phenyl-3,4-dihydroquinazolin-4-one 2573124-08-8
(2E)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)prop-2-enamide 1228646-19-2
(1R,5S,6R)-6-(4H-1,2,4-triazol-4-yl)-3-azabicyclo[3.1.0]hexane dihydrochloride 2415312-61-5
tert-Butyl (8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3,4,5-tetrahydrobenzo[b]oxepin-5-yl)carbamate 2412760-61-1
2-(2-Fluorophenyl)butan-1-amine hydrochloride 2490709-26-5
1-(4-fluorophenyl)-5-(pyrrolidin-3-yl)-1H-1,2,4-triazole hydrochloride 1782890-31-6
{Cyclopropyl[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]imino-lambda6-sulfanyl}one 1906861-60-6
5-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-5H-pyrido[3,2-b]indole 1713292-42-2
3,5-Dinitrobenzoic acid; [(4-cyanophenyl)sulfanyl]methanimidamide 2350179-15-4
(2E)-3-cyclopropyl-2-[(E)-4-methylpiperidine-1-carbonyl]prop-2-enenitrile 2459977-71-8
3,5-Dimethoxy-1,3-dihydrospiro[indene-2,4'-piperidine] 2459963-01-8
5-Methoxy-1,3-dihydrospiro[indene-2,4'-piperidin]-3-yl acetate 2459963-07-4
rac-(2R,3S)-3,5-dimethoxy-1,3-dihydrospiro[indene-2,4'-piperidin]-6'-one 2459984-85-9
(4-(10-Phenylanthracen-9-yl)naphthalen-1-yl)boronic acid 1404067-48-6
Lipoamido-PEG4-alcohol 2069955-60-6
[2-(4-Bromo-3-chlorophenoxymethoxy)ethyl]trimethylsilane 2128711-91-9
1-(2-Hydroxyethyl)-2,3-dimethyl-1H-imidazol-3-ium hydrogen sulfate 2144784-97-2
1-(2-Hydroxyethyl)-2,3-dimethyl-1H-imidazol-3-ium 4-methylbenzenesulfonate 2144784-96-1
3-Cyclopropylidenecyclobutan-1-amine;hydrochloride 2377034-70-1
3-(Benzyloxy)cyclobutane-1-sulfonamide 2138404-75-6
Oxane-4-sulfinamide 2138236-36-7
benzyl N-(2,3-dibromopropyl)carbamate 460080-00-6
P8Ysg254KY 2414049-88-8
3-Methyl-4-([1,2,4]triazolo[1,5-c]pyrimidin-7-yloxy)benzenamine 2414057-07-9
Tert-butyl 3-(2-ethoxy-2-oxoethyl)-3-(3-ethoxy-3-oxopropanamido)azetidine-1-carboxylate 1265031-18-2

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