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-acetamido-N-(2-(3-(tert-butyl)ureido)ethyl)benzamide 1170623-57-0
5,6-Difluoro-2-methylsulfanyl-benzothiazole 1163123-55-4
4-acetamido-N-(2-(3-(4-methoxybenzyl)ureido)ethyl)benzamide 1171473-28-1
4-acetamido-N-(2-(3-(4-(tert-butyl)phenyl)ureido)ethyl)benzamide 1170539-21-5
4-acetamido-N-(2-(3-(thiophen-2-yl)ureido)ethyl)benzamide 1171794-48-1
N-(2-(3-(benzo[d][1,3]dioxol-5-yl)ureido)ethyl)-4-propionamidobenzamide 1170843-84-1
1-(4-Fluoro-2-nitrophenyl)piperidin-3-ol 1386140-00-6
N-(2-(3-(2,5-difluorophenyl)ureido)ethyl)-4-propionamidobenzamide 1173044-33-1
N-(2-(3-(4-fluorobenzyl)ureido)ethyl)-4-propionamidobenzamide 1171374-17-6
1-Ethyl-5-fluoro-3-(2-oxo-1-pyrrolidinyl)-N-(2-pyridinylmethyl)-1H-indole-2-carboxamide 1031672-02-2
4-(cyclopropanecarboxamido)-N-(2-(3-(2-ethylphenyl)ureido)ethyl)benzamide 1170789-77-1
4-(cyclopropanecarboxamido)-N-(2-(3-(2,3-dimethoxyphenyl)ureido)ethyl)benzamide 1170489-37-8
1,4,5,6-Tetrahydrobenzo[d]cyclopent[b]azepin-3(2H)-one 1238587-69-3
4-(cyclopropanecarboxamido)-N-(2-(3-(thiophen-2-yl)ureido)ethyl)benzamide 1172319-85-5
1-(3-Bromo-4-methoxyphenyl)-2-(cyclopentylmethylamino)ethanone 1157720-02-9
4-(cyclopentanecarboxamido)-N-(2-(3-phenylureido)ethyl)benzamide 1172480-22-6
4-(cyclopentanecarboxamido)-N-(2-(3-(3,4-difluorophenyl)ureido)ethyl)benzamide 1170005-99-8
4-(cyclopentanecarboxamido)-N-(2-(3-(4-ethoxyphenyl)ureido)ethyl)benzamide 1170210-78-2
4-(cyclopentanecarboxamido)-N-(2-(3-(2-methoxy-5-methylphenyl)ureido)ethyl)benzamide 1172574-80-9
N-(2-(3-cyclohexylureido)ethyl)-4-pivalamidobenzamide 1171959-81-1
N-(2-{[(2-chlorophenyl)carbamoyl]amino}ethyl)-4-(2,2-dimethylpropanamido)benzamide 1171534-47-6
N-(2-(3-(3,5-dimethoxyphenyl)ureido)ethyl)-4-pivalamidobenzamide 1169961-65-2
2-(2,4-dichlorophenoxy)-N-[2-(4-fluorophenoxy)ethyl]propanamide 1105227-59-5
2-(benzo[d][1,3]dioxol-5-yloxy)-N-(2-(4-fluorophenoxy)ethyl)propanamide 1105209-55-9
N-[2-(3,5-dimethylphenoxy)ethyl]-2-(3-fluorophenoxy)propanamide 1105210-98-7
2-(2-fluorophenoxy)-N-(2-(3-(trifluoromethyl)phenoxy)ethyl)propanamide 1105211-53-7
N-(2-(benzo[d][1,3]dioxol-5-yloxy)ethyl)-2-(2-fluorophenoxy)propanamide 1172336-79-6
1-(4-(Tert-butyl)phenyl)-3-(2-phenoxyethyl)urea 1172326-67-8
1-(2-Phenoxyethyl)-3-(thiophen-2-yl)urea 1170828-78-0
1-(5-Chloro-2-methoxyphenyl)-3-(2-(4-fluorophenoxy)ethyl)urea 1172909-76-0
1-(2-(3,5-Dimethylphenoxy)ethyl)-3-(4-fluorobenzyl)urea 1171017-10-9
1-acetyl-N-(2-(4-ethoxyphenoxy)ethyl)-2-methylindoline-5-sulfonamide 1105204-68-9
1-acetyl-N-(2-(benzo[d][1,3]dioxol-5-yloxy)ethyl)-2-methylindoline-5-sulfonamide 1105235-45-7
4-(3,4-dimethylbenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one 1021108-02-0
4-(3-fluorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one 129228-83-7
4-(3,4-difluorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one 1021026-93-6
4-(3-chlorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one 78666-11-2
4-(4-ethoxybenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one 1021137-14-3
4-(3,5-dimethylbenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one 1021026-94-7
3-methyl-1-phenyl-4-(4-(pyrrolidin-1-ylsulfonyl)benzoyl)-1H-pyrazol-5(4H)-one 1021026-96-9
3-methyl-1-phenyl-4-(4-(piperidin-1-ylsulfonyl)benzoyl)-1H-pyrazol-5(4H)-one 1021062-49-6
4-(3-methoxybenzoyl)-1,3-diphenyl-1H-pyrazol-5(4H)-one 1021026-98-1
2-(4-oxo-2-sulfanylidene-1H-thieno[3,2-d]pyrimidin-3-yl)propanamide 1218298-60-2
1-(4-chlorophenyl)-4-(4-methoxyphenethyl)hexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1040693-92-2
4-(3,4-dimethoxyphenethyl)-1-phenylhexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1049535-78-5
1-(4-methoxyphenyl)-4-(2-(thiophen-2-yl)ethyl)hexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1049536-06-2
4-(2-fluorophenethyl)-1-(4-methoxyphenyl)hexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1049500-35-7
4-(4-fluorophenethyl)-1-(4-methoxyphenyl)hexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1049536-10-8
1-(4-methoxyphenyl)-4-(3-phenylpropyl)hexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1049500-49-3
4-benzyl-1-(3-methoxyphenyl)hexahydrothieno[3,4-b]pyrazin-2(1H)-one 6,6-dioxide 1049536-30-2

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