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
2-Methyl-5,6,7,8-tetrahydroimidazo[1,2-c]pyrimidine 1338064-10-0
1-(5-Iodo-2-(trifluoromethylthio)phenyl)hydrazine 1805714-88-8
2-(2,6-Dimethylpyridin-4-yl)quinoline 850622-06-9
(R)-Ethyl 3-amino-4,4-dimethylpentanoate 179320-83-3
2-(Pyridin-4-yl)-2,6-diazaspiro[3.3]heptane 1256821-63-2
Ethyl 3-methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylate 92040-93-2
5,6-Dichloropyrimidine-4-carbaldehyde 1806317-35-0
5-Bromo-3-chloropyrazolo[1,5-a]pyridine-2-carboxylic acid 1379333-87-5
5,5-Dimethyl-1-(piperidin-4-yl)imidazolidin-2-one 1426139-18-5
Ethyl 4-bromo-3-chloroquinoline-2-carboxylate 1203579-34-3
(6-Bromo-5-chloropyridin-3-yl)methanol 951652-94-1
Isopropyl 4-(furan-2-yl)-2-methylbenzo[4,5]imidazo[1,2-a]pyrimidine-3-carboxylate 1956327-27-7
2-Chloro-4-(1H-pyrazol-4-yl)pyridine 1935917-44-4
8-Ethynyl-6,9-diazaspiro[4.5]decan-7-one 1956307-00-8
Ethyl 3-(3-(hydroxymethyl)-5-methyl-4H-1,2,4-triazol-4-yl)benzoate 1956386-39-2
2-((1R)-1-Aminoethyl)-4-fluoro-1-(methylsulfonyl)benzene 1213416-36-4
3-Methoxy-2-nitro-9H-fluoren-9-one 106594-99-4
N-Cyclopentyl-1-(pyrido[2,3-b]pyrazin-7-yl)piperidine-3-carboxamide 1357993-51-1
5-Amino-1-((3aS,4R,6S,6aR)-6-(2-hydroxyethoxy)-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-1,2,3-triazole-4-carboxamide 1456538-52-5
6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-6-ol 1824408-04-9
Ethyl 2-(6-chloro-2-fluoropyridin-3-yl)acetate 1805955-11-6
Ethyl-3-(3-benzyloxyphenyl)-2-ethoxy-propanoate 251978-01-5
(2S,3S)-2-((R)-3-((tert-butoxycarbonyl)amino)-2-oxopyrrolidin-1-yl)-3-methylpentanoic acid 301840-23-3
Cyclopenta-2,4-dien-1-yldimethyl(3-phenyl-1H-inden-1-yl)silane 948573-96-4
tert-Butyl 3-amino-2-benzylazetidine-1-carboxylate 1368039-36-4
(6-(Trifluoromethoxy)pyridin-2-yl)methanamine 1361824-89-6
(2-(Trifluoromethoxy)pyridin-4-yl)methanamine 1361696-54-9
5,6-Difluoro-7-methoxy-3,4-dihydronaphthalen-1(2H)-one 1273596-93-2
2-Methyl-3-(1,2,3,4-tetrahydronaphthalen-2-yl)prop-1-en-1-yl acetate 6884-39-5
3-(7-Acetamido-8-hydroxyquinolin-5-yl)propanoic acid 1248550-23-3
5-(((2-Hydroxyethyl)thio)methyl)quinolin-8-ol 1248549-22-5
3-(8-Hydroxy-7-nitroquinolin-5-yl)propanoic acid 1248565-28-7
2-Formyl-6-(trifluoromethyl)nicotinonitrile 1289051-90-6
Benzyl ((3R,4R)-4-(hydroxymethyl)tetrahydrofuran-3-yl)carbamate 623582-55-8
6-Chloro-8-iodo-3,4-dihydronaphthalen-1(2H)-one 1260010-93-2
(S)-tert-Butyl 6-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-aminohexanoate 754175-99-0
Ethyl 7-bromo-3-hydroxy-5-methoxy-1H-indole-2-carboxylate 1360948-65-7
1-Methyl-2-oxo-1,2-dihydropyrimidine-4-carboxylic acid 24806-53-9
2-(3-Bromo-6-(trifluoromethyl)pyridin-2-yl)oxazole 1211586-77-4
3-Bromo-2-(1H-1,2,3-triazol-4-yl)-6-(trifluoromethyl)pyridine 1211583-90-2
7-Chloro-2-(chloromethyl)-1H-benzo[d]imidazole-6-carboxylic acid 1388035-71-9
(R)-Methyl 2-amino-3-(2-fluoro-4-hydroxyphenyl)propanoate 1213143-20-4
2-Amino-6-(difluoromethyl)benzoic acid 1654011-33-2
2-Chloro-5-methoxy-3-(trifluoromethyl)pyridine 1245912-84-8
1,3-Dimethyl-1H-imidazo[4,5-b]pyrazine-2(3H)-thione 84996-50-9
4-Bromo-5-chloro-2-(trifluoromethyl)pyridine 1211516-56-1
6-(2-(Benzyloxy)-3-formylphenyl)picolinonitrile 1632370-50-3
(2S,6R)-2-Methyl-5,6-dihydro-2H-2,6-methanobenzo[g][1,3]oxazocin-4(3H)-one 1289085-09-1
5-Hydroxy-1-((2R,4R,5S)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methylimidazolidine-2,4-dione 127707-34-0
6-(4-(Methylamino)phenyl)picolinaldehyde 2167183-32-4

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