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
6-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)nicotinic acid 1803447-13-3
3-Chloro-4-(difluoromethyl)-5-(trifluoromethoxy)pyridin-2-amine 1803633-66-0
6-Chloro-4-(difluoromethyl)-5-nitropicolinic acid 1806872-38-7
2-Chloro-4-(difluoromethyl)-5-(trifluoromethyl)nicotinic acid 1806072-26-3
6-Amino-4-cyano-5-(difluoromethyl)pyridine-3-sulfonamide 1806832-33-6
5-(Difluoromethyl)-4,6-difluoropicolinamide 1806029-35-5
4-Chloro-6-(difluoromethyl)-3-(trifluoromethyl)pyridin-2-amine 1805327-98-3
Methyl 2,3-dimethoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate 1629604-13-2
(S)-Benzyl 3-(aminomethyl)-5-methylhexanoate hydrochloride 649748-11-8
Methyl isonicotinimidate HCl 159417-05-7
1-(4-Chlorophenyl)-N-methyl-3-(pyrrolidin-1-yl)propan-1-amine dihydrochloride 1956324-90-5
(3-Methoxyisoquinolin-6-yl)boronic acid 1690326-09-0
2-(2-Chloro-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridin-3-yl)acetic acid 1803650-03-4
2-Bromo-6-(difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine 1806143-07-6
3-(2-(Difluoromethyl)-4,6-difluorophenyl)acrylic acid 1807435-32-0
6-Bromo-2-(difluoromethyl)-5-methylnicotinaldehyde 1806862-65-6
(5-Bromo-2-fluoropyridin-4-yl)boronic acid 2304634-96-4
(4-(Trifluoromethyl)oxazol-5-yl)methanamine oxalate 1956367-48-8
2-Chloro-3-(chloromethyl)-5-(difluoromethyl)-4-methoxypyridine 1804664-14-9
2-Bromo-5-chloro-4-(difluoromethyl)pyridine-3-sulfonamide 1805006-74-9
3-(Difluoromethyl)-6-(hydroxymethyl)-4-methylpicolinonitrile 1805429-53-1
2,3-Dichloro-5-fluoroanisole 1806329-27-0
6-Chloro-4-(difluoromethyl)-5-nitronicotinamide 1806940-80-6
5-(Aminomethyl)-6-(difluoromethyl)-3-(trifluoromethyl)pyridin-2-amine 1806005-06-0
6-Chloro-4-(chloromethyl)-5-(difluoromethyl)nicotinaldehyde 1805421-18-4
benzyl N-{[1-(hydroxymethyl)cyclopentyl]methyl}carbamate 1329229-88-0
2-(Difluoromethoxy)-3-(trifluoromethyl)isonicotinaldehyde 1804413-64-6
1,3,4-Oxadiazole-2-carboxylic acid, 5-(tetrahydro-5-methyl-2-furanyl)- 1567078-49-2
5-(5-Fluoro-2-methylphenyl)-1,3,4-oxadiazole-2-carboxylic acid 1565404-33-2
2-(Aminomethyl)-3-chloro-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine 1803615-84-0
2-(3-Chloropropyl)-4-fluorobenzodifluoride 1806379-70-3
6-Methoxy-2-(o-tolyl)imidazo[1,2-a]pyridine 1891227-28-3
2-(2-Fluorophenyl)-6-methoxyimidazo[1,2-a]pyridine 1893844-18-2
2-(Aminomethyl)-4-(difluoromethyl)-6-iodo-3-methoxypyridine 1805088-15-6
1-(Pyridin-2-yl)piperidine-4-sulfonamide 1247155-61-8
1-(Pyridin-4-yl)piperidine-4-sulfonamide 1247750-16-8
5-Methyl-2-(2-trifluoromethylphenyl)-thiazole-4-carboxylic acid 1549437-07-1
Ethyl 2-(5-Chloropyridin-2-yl)thiazole-4-carboxylate 1550313-94-4
Ethyl 2-(3,4-Difluorophenyl)thiazole-4-carboxylate 1550042-75-5
Ethyl 2-(1-Methylcyclopropyl)thiazole-4-carboxylate 1545838-06-9
Ethyl 2-[(Methylthio)methyl]thiazole-4-carboxylate 1550323-69-7
Ethyl 2-(5-Fluoropyridin-2-yl)thiazole-4-carboxylate 1548684-28-1
Ethyl 2-[2-Fluoro-3-(trifluoromethyl)phenyl]thiazole-4-carboxylate 1552063-07-6
1-Chloro-2,4-dimethoxy-6-iodobenzene 1805224-20-7
Ethyl 2-(3-Fluoropyridin-4-yl)thiazole-4-carboxylate 1553370-25-4
Ethyl 2-(ethoxymethyl)-1,3-thiazole-4-carboxylate 1546144-18-6
Methyl 2-(4-Methoxybenzyl)thiazole-4-carboxylate 1545838-13-8
Methyl 2-(5-Chloropyridin-2-yl)thiazole-4-carboxylate 1545838-16-1
Methyl 2-(2-methoxypropan-2-yl)thiazole-4-carboxylate 1549437-36-6
Methyl 2-(3,4-Difluorophenyl)thiazole-4-carboxylate 1545658-35-2

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