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-{[(tert-butoxy)carbonyl]amino}-3-methylbutanoate 1820686-32-5
1-(4-fluorophenyl)-3-(4-morpholinobut-2-ynyl)urea 1396802-45-1
1-(4-morpholinobut-2-ynyl)-3-(2-thienyl)urea 1396684-64-2
4-Chloro-2-fluorophenylthiocyanate 1820666-86-1
N-(4-(methylcarbamoyl)phenyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide 1415695-08-7
2-methoxy-N,2-dimethylpropanimidamide 1531150-39-6
4,4-Dimethyl-3-phenylpiperidine 811782-35-1
6-Chloro-5-(4-(1-(hydroxymethyl)cyclobutyl)phenyl)-1h-indole-3-carboxylic acid 1467058-70-3
6-chloro-5-[4-(oxetan-3-ylmethoxy)phenyl]-1H-indole-3-carboxylic acid 1467058-87-2
2-(3-((Tributylstannyl)methoxy)propyl)isoindoline-1,3-dione 1079333-56-4
(E)-4-Chloro-N-(4-hydroxybenzyl)-N-isobutylpent-2-enamide 222844-76-0
Glycine, N-benzoyl-, 1-carboxy-2-phenylethyl ester, ion(1-) 5296-95-7
2-(2-Chloropyridin-4-yl)ethanamine hydrochloride 1956356-06-1
4-(4-Cyanopyridin-2-yl)piperazine-2-carboxylic acid 1420796-47-9
4-(3-Cyanopyridin-2-yl)piperazine-2-carboxylic acid 1420795-95-4
1-Cyano-N-(3-methoxybenzyl)cyclobutane-1-carboxamide 1376332-19-2
Fluorine F 18 fluorthanatrace 1567375-87-4
4-[(Methylamino)methyl]oxan-4-ol hydrochloride 1797336-47-0
2-Methyl-4-(2-oxo-1-pyrrolidinyl)phenylboronic Acid Pinacol Ester 1351501-29-5
Tert-butyl 2-(3-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetate 1351501-49-9
6-ethynyl-N-methylpyridin-2-amine 1373337-75-7
N-Methyl-1-(5-methyl-6-(piperidin-1-yl)pyridin-3-yl)methanamine 1355225-07-8
6-(5-Methyl-1,2,4-triazol-1-yl)pyridine-3-carboxylic acid 1415836-79-1
Benzoic acid, 2-[[1-(6-bromo-2-oxo-2H-1-benzopyran-4-yl)-1H-1,2,3-triazol-4-yl]methoxy]-, methyl ester 1404189-16-7
(3-(pyridin-4-yl)-1H-pyrazol-4-yl)methanamine 1519773-72-8
N-{2-[(2-cyanoethyl)sulfanyl]phenyl}-1-(2-phenylethenesulfonyl)piperidine-4-carboxamide 1798404-87-1
2,4-Dichloro-N-(2-pyrimidinylmethyl)-5-pyrimidinecarboxamide 1534330-72-7
Avanafil impurity 26 1364671-62-4
N-{[4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl]methyl}-2-methyl-1-oxo-1,2-dihydro-4-isoquinolinecarboxamide 1351697-72-7
1-(4-Iodophenyl)piperidine-2,3-dione 1415831-82-1
methyl 5-{[4-(6-methoxy-2-oxo-2H-chromen-3-yl)phenoxy]methyl}-2-furoate 1351690-54-4
2-(5-bromo-1H-indol-1-yl)-N-{[4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl]methyl}acetamide 1351701-31-9
1'-oxo-2'-phenyl-N-(tetrahydrofuran-2-ylmethyl)-1',4'-dihydro-2'H-spiro[cyclohexane-1,3'-isoquinoline]-4'-carboxamide 1351671-63-0
2-(7,8-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-N-[2-(4-methyl-1H-indol-1-yl)ethyl]acetamide 1351690-67-9
2-(6-bromo-1H-indol-1-yl)-N-{[4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl]methyl}acetamide 1351698-23-1
3-[(1,4-Diazepan-1-yl)methyl]benzonitrile dihydrochloride 199672-34-9
(1-Methoxycyclobutyl)methanamine hydrochloride 1443980-50-4
2-(Oxolan-3-yl)-1-phenylethan-1-ol 1443980-93-5
(S)-6-Fluoro-8-methylchroman-4-amine 1213361-81-9
3-Amino-1-phenylazetidin-2-one hydrochloride 889214-85-1
5-ethoxy-1-N-(2-fluorophenyl)benzene-1,2-diamine 1443979-33-6
5-Benzyl-2-ethylfuran-3-carboxylic acid 2138201-46-2
N-[2-(4-pyridyl)ethyl]-3-(2,3,5,9-tetramethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)propanamide 1401594-91-9
N-(1H-indol-4-yl)-3-(1-methyl-1H-indol-3-yl)propanamide 1401582-43-1
3-(5-Bromo-2-methoxyphenyl)-3-methylbutan-1-amine 1225572-72-4
(2S)-N-{4-[(3-methyl-1,2,4-oxadiazol-5-yl)methoxy]phenyl}-1-(prop-2-yn-1-yl)pyrrolidine-2-carboxamide 1375944-48-1
4-(8-Azabicyclo[3.2.1]octan-3-yl)piperazin-2-one 1706429-29-9
Benzenesulfonic acid--4-[(2R)-4-ethylmorpholin-2-yl]phenol (1/1) 920803-56-1
(2S)-2-Amino-N-[1-(propan-2-yl)-1H-pyrazol-5-yl]butanamide 1568021-99-7
(3,4-dihydroquinolin-1(2H)-yl)(1-(6-methoxybenzo[d]thiazol-2-yl)azetidin-3-yl)methanone 1396855-40-5

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