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
4-butoxy-N-(2-{[4-(4-fluorophenyl)piperazin-1-yl]sulfonyl}ethyl)benzamide 933212-54-5
2-(3,4-dimethoxyphenyl)-N-(2-{[4-(4-fluorophenyl)piperazin-1-yl]sulfonyl}ethyl)acetamide 933217-23-3
1-{[1-(4-tert-butylbenzenesulfonyl)-3,5-dimethyl-1H-pyrazol-4-yl]sulfonyl}-4-methylpiperidine 904823-40-1
N-(2-((4-(4-fluorophenyl)piperazin-1-yl)sulfonyl)ethyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide 933217-54-0
N-(2-{[4-(4-fluorophenyl)piperazin-1-yl]sulfonyl}ethyl)-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboxamide 933217-58-4
1-((1-((4-ethoxyphenyl)sulfonyl)-3,5-dimethyl-1H-pyrazol-4-yl)sulfonyl)piperidine 956978-02-2
1-{[1-(4-butoxybenzenesulfonyl)-3,5-dimethyl-1H-pyrazol-4-yl]sulfonyl}azepane 956446-69-8
1-{[1-(4-butoxybenzenesulfonyl)-3,5-dimethyl-1H-pyrazol-4-yl]sulfonyl}-4-methylpiperidine 956978-01-1
2-(4-chlorophenyl)-N-(2-{[4-(4-methoxyphenyl)piperazin-1-yl]sulfonyl}ethyl)acetamide 904830-23-5
2-hydroxypropyl nitrite 950478-72-5
tributyl(pentyl)ammonium;chloride 916772-26-4
N-(2-{[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl}ethyl)-2,2-diphenylacetamide 932970-52-0
N-(2-{[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl}ethyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide 933027-92-0
N-(2-{[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl}ethyl)-4-oxo-4H-chromene-2-carboxamide 933218-11-2
(2S)-3,3,3-trifluoro-2-((R)-2-hydroxy-1-phenyl-ethylamino)-2-methyl-propionitrile 911411-55-7
1-Benzyl-3-fluoro-3-methylazetidine 910795-88-9
1-(4-methylphenyl)-5-oxo-N-{2-[(4-phenylpiperazin-1-yl)sulfonyl]ethyl}pyrrolidine-3-carboxamide 904831-57-8
1-(4-methoxyphenyl)-5-oxo-N-{2-[(4-phenylpiperazin-1-yl)sulfonyl]ethyl}pyrrolidine-3-carboxamide 933218-14-5
2,4,6-trimethyl-N-(2-((4-phenylpiperazin-1-yl)sulfonyl)ethyl)benzenesulfonamide 932970-85-9
3-methyl-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-4-nitrobenzamide 946381-48-2
N-{2,8-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-2-methyl-3-nitrobenzamide 946381-68-6
(11bR)-2,6-Diethynyl-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide 238742-60-4
Ethyl 4-(2-((6-isopropyl-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)thio)acetamido)benzoate 946237-86-1
N-(4-acetylphenyl)-2-((6-isopropyl-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)thio)acetamide 946309-34-8
Oct-4-yne-1,8-diol 24595-59-3
N-(2,5-Dibromothiophen-3-yl)acetamide 89581-54-4
(1R,4R,5R)-1,5-dihydroxy-4-(hydroxymethyl)-6,6-dimethyl-3-oxabicyclo[3.1.0]hexan-2-one 1932068-99-9
4-butoxy-N-((1-(3,4-dimethylphenyl)-1H-tetrazol-5-yl)methyl)benzamide 933001-74-2
N-((1-(3,4-dimethylphenyl)-1H-tetrazol-5-yl)methyl)-3,4,5-trimethoxybenzamide 933009-85-9
N-((1-(3,4-dimethylphenyl)-1H-tetrazol-5-yl)methyl)-2-fluorobenzamide 933001-78-6
N-(1-amino-2-methylpropan-2-yl)-2-methylprop-2-enamide 2137703-87-6
N-((1-(3,4-dimethylphenyl)-1H-tetrazol-5-yl)methyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide 933001-98-0
N-((1-(3,4-dimethylphenyl)-1H-tetrazol-5-yl)methyl)-5-oxo-1-(p-tolyl)pyrrolidine-3-carboxamide 933222-36-7
N-((1-(3,4-dimethylphenyl)-1H-tetrazol-5-yl)methyl)-2-(methylsulfonyl)benzamide 933222-40-3
Methyl 7-cyclopropyl-1-ethyl-2-((2-fluorobenzyl)thio)-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylate 933247-07-5
2-methyl-N-(2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)benzamide 904824-91-5
4-methyl-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide 904824-97-1
3,4-dimethyl-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide 904825-03-2
3-fluoro-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide 904825-09-8
2,6-difluoro-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide 904825-14-5
3,4-difluoro-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide 904825-19-0
N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-4-(trifluoromethyl)benzamide 904825-24-7
4alpha-Carboxy-5alpha-cholestan-3beta-ol 913254-06-5
(R)-1-((Allyloxy)carbonyl)pyrrolidine-3-carboxylic acid 132969-21-2
Ahj9FJ6lhp 909415-27-6
Ethyl 2-[4-({[3-({7-methyl-4-oxo-4H-pyrido[1,2-A]pyrimidin-2-YL}methoxy)phenyl]carbamoyl}amino)phenyl]acetate 959536-11-9
(1S)-1-(4-chlorophenyl)but-3-en-1-amine 245735-57-3
(1s)-1-(2-Methoxyphenyl)but-3-en-1-amine 245735-58-4
N-(5-{[(7-Methyl-4-oxo-1,4-dihydroquinolin-2-YL)methyl]sulfanyl}-1,3,4-thiadiazol-2-YL)butanamide 933249-79-7
N-cyclopentyl-2-((1-(4-methoxybenzyl)-1H-imidazol-2-yl)thio)acetamide 869346-56-5

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