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
(2,2-Dimethoxyethyl)(2,5-dimethylphenyl)sulfane 109596-63-6
1-(5-Chloro-1,3-thiazol-2-yl)propan-1-amine 1536732-87-2
4-((2-Isopropylphenyl)amino)benzoic acid 1522104-76-2
3',5'-Dimethyl-4'-fluorophenacyl bromide 1494351-29-9
2,2-Dimethyl-4-morpholin-4-yl-4-oxobutyric acid 1530841-32-7
2,2-Dimethyl-4-oxo-4-piperidin-1-yl-butyric acid 948883-24-7
Pentanamide, 5-amino-N-(1H-imidazol-2-ylmethyl)- 1341638-34-3
3-(2-isocyanatoethyl)-1H-1,2,4-triazole 1343864-24-3
3-(isocyanatomethyl)-1H-1,2,4-triazole 1339536-80-9
3-[(3,5-Difluorophenyl)carbamoyl]-2,2-dimethylpropanoic acid 1485705-79-0
2-aminoisoindolin-1-one;hydrochloride 23990-36-5
2-(3,3-Dimethyl-2,5-dioxopyrrolidin-1-yl)acetic acid 1337926-15-4
1-(2-Aminoethyl)-3,3-dimethylpyrrolidine-2,5-dione 1487567-15-6
2-((3,4-Dichlorobenzyl)oxy)-5-methylbenzaldehyde 1409647-14-8
4-(3,3-Dimethyl-2,5-dioxopyrrolidin-1-yl)-2-hydroxybenzoic acid 1492605-44-3
1-ethyl-2-(iodomethyl)-1H-imidazole 1343182-17-1
3-(Azetidin-3-yl)aniline 1203798-66-6
rel-(2R,5R)-5-(3-bromophenyl)-2,5-dimethyl-2-(trifluoromethyl)-5,6-dihydro-2H-1,4-oxazin-3-amine 1262859-44-8
2-(1-Ethoxyvinyl)pyrimidine 1374582-22-5
1-(2-Amino-3-hydroxybutyl)pyrrolidin-2-one 1343711-08-9
Rel-(2R,5R)-5-(3-bromophenyl)-2,5-dimethyl-2-(trifluoromethyl)morpholin-3-one 1262859-41-5
4,5-Dibromo-1-propan-2-yltriazole 2243514-90-9
4-Methyl-2-(2-oxo-4-(2-(trifluoromethoxy)phenoxy)pyridin-1(2H)-yl)pentanoic acid 1262239-28-0
2-(3-Methoxypropyl)pyrrolidine 1247133-54-5
(5-Fluoropyridin-3-yl)(piperazin-1-yl)methanone 1567039-66-0
1-Methyl-4-(piperidin-4-ylmethyl)piperazine trihydrochloride 614746-14-4
(1-Ethoxycyclobutyl)methanamine 1464885-79-7
2-(2-Fluoro-4-methoxyphenyl)-2-methylpropan-1-amine 1540662-47-2
2-Methyl-2-[4-(trifluoromethoxy)phenyl]propan-1-amine 1004283-17-3
1-((4-Chlorobenzyl)oxy)-2-methylpropan-2-amine 1343606-95-0
2-(4-Ethylphenyl)-2-methylpropan-1-amine 1225815-00-8
3-(Bromomethyl)-1-methyl-1H-pyrazole-5-carboxylic acid 1934783-83-1
4-(Ethoxymethoxy)-2-methylaniline 1486241-01-3
Acetamide, N-(4-fluorophenyl)-2-[[[[4-(2-phenyldiazenyl)phenyl]amino]carbonyl]amino]- 1390888-07-9
4-Chloro-2-(3,5-difluorophenyl)-5-ethyl-6-methylpyrimidine 1284471-06-2
2-(4-Methoxy-3-methylphenyl)-2-methylpropan-1-amine 1226154-36-4
rel-4-((3R,5S)-3,5-Dimethylpiperazin-1-yl)benzonitrile 952391-02-5
[(4-Chloro-3-fluorophenyl)methyl](2-methylpropyl)amine 1250601-89-8
2-(Cyclopropylmethoxy)ethanesulfonamide 1339855-69-4
2-(3-Fluoro-4-methoxyphenyl)-2-methylpropan-1-amine 1225523-80-7
O-(1-Adamantylcarbamoyl)quinine 200943-79-9
1-[(3,5-Dichloro-2-pyridyl)oxy]-2-methyl-propan-2-amine 1340069-53-5
2,6-Bis(4-Cyanophenoxy)-nicotinic acid ethyl ester 1256591-06-6
2-Mercaptobenzo[d]oxazole-4-carbonitrile 1372188-33-4
1-Butanesulfonamide, 3-methyl-N-[2-[(1-methylethyl)amino]ethyl]- 1339402-30-0
1-(((2-Methoxyethyl)(methyl)amino)methyl)cyclopentan-1-ol 1468941-82-3
1,4-Oxazepine-6-acetic acid, 7-(4-chloro-3-fluorophenyl)-4-[(1,1-dimethylethoxy)carbonyl]hexahydro-, (6R,7R)- 1372189-91-7
(3S)-3-Amino-N-cyclopropyl-2-hydroxypentanamide 910607-16-8
(3,4-Difluoro-2-pyridinyl)methanol 1372891-50-3
1-((m-Tolyloxy)methyl)cyclopentan-1-ol 1482642-00-1

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