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
N-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-4-(1H-pyrazol-1-yl)benzenesulfonamide 2034406-06-7
2-(4-(N-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)sulfamoyl)phenoxy)acetamide 2034599-50-1
5-(N-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)sulfamoyl)-2-methoxybenzamide 2034258-10-9
N-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-4-(2-methyloxazol-4-yl)benzenesulfonamide 2034530-37-3
methyl 3-(N-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)sulfamoyl)-4-methoxybenzoate 2034406-14-7
N-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-4-(2,5-dioxopyrrolidin-1-yl)benzenesulfonamide 2034599-58-9
N1-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-N2-methyloxalamide 2034258-20-1
N1-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-N2-(isoxazol-3-yl)oxalamide 2034406-24-9
N1-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-N2-phenyloxalamide 2034406-31-8
N1-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-N2-(pyridin-3-yl)oxalamide 2034530-42-0
N1-(2-(5-chlorothiophen-2-yl)-2-methoxyethyl)-N2-(thiophen-2-ylmethyl)oxalamide 2034406-39-6
(2-isopropyl-5-methyl-cyclopentyl) butanoate 1266606-26-1
tert-butyl 1-methylcyclohexanecarboperoxoate 25023-15-8
5-Amino-6-(cyclopropylmethoxy)-N-3-oxetanyl-3-pyridinesulfonamide 1604062-27-2
7-(Furan-2-yl)-4-(methylsulfonyl)-1,4-thiazepane 1705355-33-4
7-(Furan-2-yl)-4-(propylsulfonyl)-1,4-thiazepane 1705932-51-9
1,3-dimethyl-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)-1H-pyrazole-5-carboxamide 1704639-10-0
1-(Thiophen-2-yl)-3-((5-(thiophen-3-yl)pyridin-3-yl)methyl)urea 1705496-71-4
1,3,5-trimethyl-N-{[5-(thiophen-3-yl)pyridin-3-yl]methyl}-1H-pyrazole-4-sulfonamide 1705067-21-5
11-Cyclopropanecarbonyl-4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraene 1705428-36-9
11-(4-Methoxybenzoyl)-4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraene 1706291-14-6
11-(4-Chlorobenzoyl)-4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraene 1705323-96-1
11-(2,3-Dimethoxybenzoyl)-4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraene 1705211-83-1
1-{4-Methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraen-11-yl}-3-(3-methylthiophen-2-yl)propan-1-one 1706291-23-7
(2-methyl-8,9-dihydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)(naphthalen-1-yl)methanone 1704639-57-5
(2-bromophenyl)(2-methyl-8,9-dihydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)methanone 1705882-40-1
(2-methyl-8,9-dihydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)(2-phenylthiazol-4-yl)methanone 1705505-43-6
(1,3-dimethyl-1H-pyrazol-5-yl)(2-methyl-8,9-dihydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)methanone 1705212-80-1
1-[4-({4-Methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraen-11-yl}sulfonyl)phenyl]ethan-1-one 1705331-78-7
1-[3-({4-Methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraen-11-yl}sulfonyl)phenyl]ethan-1-one 1705429-90-8
6-methyl-4-((1-nicotinoylpyrrolidin-3-yl)oxy)-2H-pyran-2-one 1704534-58-6
6-methyl-4-((1-(2-(thiophen-2-yl)acetyl)pyrrolidin-3-yl)oxy)-2H-pyran-2-one 1705506-36-0
6-methyl-4-((1-(2-(m-tolyl)acetyl)pyrrolidin-3-yl)oxy)-2H-pyran-2-one 1705208-40-7
4-((1-(2-(3-methoxyphenyl)acetyl)pyrrolidin-3-yl)oxy)-6-methyl-2H-pyran-2-one 1705249-09-7
6-methyl-4-({1-[2-(trifluoromethyl)benzoyl]pyrrolidin-3-yl}oxy)-2H-pyran-2-one 1705200-24-3
4-((1-(2-bromo-5-methoxybenzoyl)pyrrolidin-3-yl)oxy)-6-methyl-2H-pyran-2-one 1705332-63-3
methyl (3S)-3-amino-3-cyclopropylpropanoate 1344403-30-0
Rac-(1R,2S)-2-cyclopropylcyclopropane-1-carboxylic acid 1909287-93-9
(2R)-2-(1,3-Benzodioxol-5-yl)propan-1-ol 2248184-86-1
N-(propan-2-yl)-1-[(2S)-pyrrolidin-2-yl]methanesulfonamide 2137087-48-8
N-Methyl-1-(2S)-pyrrolidin-2-ylmethanesulfonamide 1821828-69-6
(2S)-1-(3,4-dimethylphenyl)propan-2-ol 2227680-66-0
rac-(1R,2S)-2-(2,5-dimethylphenyl)cyclopropan-1-amine 2227650-18-0
2-Methyl-5-[4-(trifluoromethoxy)phenyl]pyrazole-3-carboxylic acid 2229079-70-1
Methyl (S)-2-amino-2-(2,5-dimethylphenyl)acetate hcl 1213361-49-9
Methyl (R)-2-amino-2-(2,5-dimethylphenyl)acetate hcl 1213976-94-3
(R)-2-(2,5-Dimethylphenyl)-2-(methylamino)ethan-1-OL 1336238-60-8
ethyl 5-amino-2-cyclopropyl-1H-imidazole-4-carboxylate 2111706-43-3
(1R)-2-amino-1-(2,5-dimethylthiophen-3-yl)ethan-1-ol 2227692-58-0
(2R)-2-amino-2-(2,5-dimethylthiophen-3-yl)ethan-1-ol 1213328-14-3

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