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
Ethyl 2-amino-6-fluorobenzoate hydrochloride 1432680-72-2
Methyl 5-chloro-2-acetamidopyridine-4-carboxylate 1820648-39-2
5-Tert-butyl 1-methyl (2R)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanedioate 1820576-16-6
1-Methyl 4-prop-2-EN-1-YL (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanedioate 170943-09-6
methyl (2R)-5-{[(benzyloxy)carbonyl]amino}-2-{[(tert-butoxy)carbonyl]amino}pentanoate 1820583-13-8
Methyl (2S)-2-{[(benzyloxy)carbonyl]amino}-5-(1,3-dioxoisoindol-2-YL)pentanoate 142165-70-6
1,5-Dimethyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanedioate 1820572-04-0
methyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-5-(3-nitrocarbamimidamido)pentanoate 1820570-44-2
methyl (2R)-3-cyclohexyl-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propanoate 1820583-21-8
(R)-1-tert-Butyl 4-methyl 2-((tert-butoxycarbonyl)amino)succinate 77004-76-3
Methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-5-carbamimidamidopentanoate 108729-23-3
Ethyl 2-ethoxy-4-(2-methoxy-2-oxoethyl)benzoate 855868-68-7
Methyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-2-phenylacetate 1820574-62-6
Methyl 1-(3,4-difluorophenyl)-5-oxopyrrolidine-3-carboxylate 1820604-85-0
methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(9H-xanthen-9-yl)carbamoyl]propanoate 1820581-52-9
1-Benzyl 4-methyl (2S)-2-{[(benzyloxy)carbonyl]amino}butanedioate 1820579-34-7
Methyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}hexanoate 1820579-45-0
Methyl 8-bromo-6-chloroimidazo[1,2-A]pyridine-2-carboxylate 1820683-44-0
MEthyl (2-methyl-2H-pyrazol-3-yl)acrylate 1563651-10-4
Methyl (2R)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-methylpentanoate 172846-55-8
Methyl 1-(3-bromophenyl)cyclobutane-1-carboxylate 1820607-51-9
4-Methyl-1-thia-4,8-diazaspiro[4.5]decan-3-one hydrochloride 1432680-93-7
Methyl 5-fluoro-2-[4-fluoro-2-(methoxycarbonyl)phenyl]benzoate 1820640-40-1
Methyl 4-chloro-3-(2-methylpropoxy)benzoate 1820619-35-9
Methyl 2-(5-chloro-3-fluoropyridin-2-yl)acetate 1804879-61-5
Methyl 1-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}cyclopentane-1-carboxylate 1820718-21-5
Methyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-(naphthalen-1-YL)propanoate 1820579-54-1
Methyl (2R)-3-(tert-butoxy)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propanoate 1820580-35-5
Methyl 4-bromo-2-butoxybenzoate 1820640-94-5
Methyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[3-(methylamino)piperidin-1-YL]-4-oxoquinoline-3-carboxylate 1820717-27-8
6-Bromo-4-hydroxy-quinoline-3-carboxylic acid methyl ester 1593717-84-0
2-Chloro-5-(trifluoromethyl)cinnamic acid methyl ester 1401024-30-3
1-(9H-Fluoren-9-ylmethyl) 3-methyl azetidine-1,3-dicarboxylate 1820604-93-0
Methyl (2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-(triphenylmethoxy)propanoate 171820-89-6
Methyl 1-(3,4-dichlorophenyl)cyclopentane-1-carboxylate 1820705-22-3
Methyl 4-bromo-2-propoxybenzoate 1820665-98-2
tert-butyl N-[3-methoxy-1-(5-methylfuran-2-yl)propyl]carbamate 1432680-76-6
methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-2-cyclopropylacetate 1449295-52-6
4-Bromo-7-chloro-6-(4-ethoxybenzyl)-2,3-dihydrobenzofuran 1415477-25-6
(S)-2-(3-ethoxy-4-methoxyphenyl)-1-(methylsulphonyl)-eth-2-ylamine N-acetyl-L-leucine salt 1382429-55-1
Methyl 2-(2-chlorophenyl)-2,2-difluoroacetate 1782332-00-6
2-Amino-5-(4-methylphenyl)-1,3-oxazol-4-one;dihydrochloride 1432680-09-5
Methyl 5-bromo-2-cyclohexaneamidobenzoate 1820683-37-1
methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-5-[3-(2,2,4,6,7-pentamethyl-3H-1-benzofuran-5-sulfonyl)carbamimidamido]pentanoate 1820574-57-9
Methyl 3-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}naphthalene-2-carboxylate 1820620-35-6
Methyl 2-(morpholin-4-YL)pyridine-3-carboxylate 773134-07-9
Methyl 2-chloro-4-[4-(methoxycarbonyl)phenyl]benzoate 161225-09-8
7,7-Difluorobicyclo[2.2.1]heptane-2-carboxylic acid 1432679-45-2
Methyl 2-methyl-2-[(2-nitrobenzene)sulfonyl]propanoate 1820666-55-4
Methyl 2-methyl-3-[4-(trifluoromethoxy)phenyl]benzoate 1630035-51-6

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