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
7-tert-butyl 3-chloromethyl 2-(propan-2-yl)-5H,6H,7H,8H-imidazo[1,2-a]pyrazine-3,7-dicarboxylate 2137753-44-5
7-tert-butyl 3-chloromethyl 2-(2-methylpropyl)-5H,6H,7H,8H-imidazo[1,2-a]pyrazine-3,7-dicarboxylate 2137588-83-9
3-(Trifluoromethyl)-1-benzothiophene-4-carbaldehyde 2244080-11-1
Methyl (1S,5R)-5-amino-3,3-difluorocyclohexane-1-carboxylate 2227198-07-2
2,2'-(Propane-2,2-diyl)bis(4-cyclohexyl-4,5-dihydrooxazole) 1312953-67-5
1-[(3-{[(Tert-butoxy)carbonyl]amino}-4-hydroxyphenyl)methyl]cyclopropane-1-carboxylic acid 2229322-06-7
(S)-8-(3-Bromophenyl)-9a-phenyl-9,9a-dihydropyrido[1,2-a]indole-6,10-dione 2368851-52-7
(R)-1-(3-Fluoro-4-(trifluoromethyl)phenyl)but-3-en-1-amine 1270190-32-3
3-(Ethylthio)propan-1-amine hydrochloride 83708-40-1
(2S)-1-(3-methylpyridin-4-yl)propan-2-amine 1336504-17-6
3-[(4,4-Dimethylcyclohexyl)oxy]piperidine 2144249-49-8
1-(But-3-yn-1-yl)-3-(methylsulfanyl)benzene 2228237-47-4
1-(3-Bromoprop-1-en-2-yl)-2-(propan-2-yloxy)benzene 2229196-46-5
N-(2-(Dimethylamino)ethyl)-1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborole-6-carboxamide 1800311-07-2
1-(3-oxetanylmethyl)-1H-Pyrazole-5-carboxylic acid 2751743-58-3
tert-Butyl (4-cyano-2,2-dimethylpiperidin-4-yl)carbamate 2023809-03-0
tert-Butyl 3-(3-bromopropyl)-1H-indole-1-carboxylate 2376838-87-6
3-Ethoxy-1-isocyanatobutane 2649046-92-2
2,2-dimethyl-3-[1-(propan-2-yl)-1H-pyrazol-4-yl]propan-1-amine 2228398-37-4
tert-Butyl 6-acetyl-4-fluoro-3,4-dihydroquinoline-1(2H)-carboxylate 2411634-63-2
4,4-Dimethyl-2-oxo-1,2,3,4-tetrahydroquinazoline-6-carbonitrile 2110782-35-7
2,3,4,5-Tetrafluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline 2657617-90-6
5-(2-Chloro-3,6-difluorophenyl)-1,3-oxazol-2-amine 2228327-26-0
(4S)-2-(aminomethyl)-3,4-dihydro-2H-1-benzopyran-4-amine 2137427-17-7
2,6-Difluoro-3-(3,4,5-trichlorophenyl)aniline 2137852-71-0
3-Methyl-3-(5-nitropyridin-2-yl)butan-1-amine 2229161-71-9
3-[(1S)-1-hydroxyethyl]-4-nitrophenol 2227763-30-4
5-Iodo-6-(trifluoromethyl)pyridazin-3-amine 2839748-56-8
2-Bromo-4-chloro-6-fluorobenzene-1-sulfonyl fluoride 2764018-90-6
7,8-Dimethyl-octahydropyrrolo[1,2-a]piperazin-6-one 2138100-27-1
5-Oxa-2,12-diazadispiro[3.1.3^{6}.3^{4}]dodecane 2166987-85-3
3-(4-Cyanothiophen-2-yl)-3,3-difluoropropanoic acid 2229282-65-7
1-[(4,5,6,7-tetrahydro-1H-indol-2-yl)methyl]cyclopropane-1-carboxylic acid 2228203-37-8
2-[1-(2,3-Dihydro-1-benzofuran-5-yl)cyclopropyl]-2-hydroxyacetic acid 2228723-34-8
2-(4-Ethoxy-2-methylphenyl)-3-methylbutanoic acid 2229499-52-7
2-hydroxy-2-[1-(1-methyl-1H-pyrazol-3-yl)cyclopropyl]acetic acid 2229262-27-3
2-Hydroxy-3-(3-methoxy-1,2-oxazol-5-yl)propanoic acid 2229022-43-7
4-{3-[(Dimethylamino)methyl]-4-hydroxyphenyl}butanoic acid 2229502-16-1
1-[6-(Trifluoromethyl)pyridin-3-yl]cyclobutane-1-carboxylic acid 2228506-25-8
2-hydroxy-2-(1-{5H,6H,7H,8H-imidazo[1,2-a]pyridin-2-yl}cyclopropyl)acetic acid 2228554-52-5
2-[4-(1-Ethoxyethenyl)phenyl]acetic acid 2137985-33-0
5-Chloro-2-(4-methylpiperidin-1-yl)pyrimidine-4-carboxylic acid 2172232-89-0
Ethyl 2-[4,4-bis(hydroxymethyl)piperidin-1-yl]-2-oxoacetate 2137750-29-7
Ethyl 4-cyano-5-(diethylamino)-1,3-oxazole-2-carboxylate 2112808-64-5
2-Oxo-2-(2-sulfanylidene-1,3-thiazinan-3-yl)ethyl acetate 2138068-58-1
Methyl 2-methyl-5-(2-methyloxiran-2-yl)furan-3-carboxylate 2228462-87-9
Methyl 5-(2-oxo-1,3-oxazolidin-4-yl)thiophene-2-carboxylate 2229328-85-0
2,6-Di(2-hydroxyphenyl)-4-(3-fluorophenyl)pyridine 2761845-88-7
4-[2-(Morpholin-4-yl)-1,3-thiazol-5-yl]but-3-en-2-one 2229641-53-4
1-(8-Bromo-6-cyclopropylimidazo[1,2-a]pyridin-2-yl)ethan-1-ol 2839445-55-3

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