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
3-[4-(5-Methyl-4-phenyl-pyrazol-1-yl)-piperidin-1-ylmethyl]-benzonitrile 180695-72-1
3-[5-(1,2-Oxazol-5-yl)-1,2,4-oxadiazol-3-yl]benzoic acid 775304-34-2
2-Ethynyl-2-hydroxycyclopentanone 139071-58-2
1,2,3,6-Tetramethoxyanthracene-9,10-dione 133101-29-8
2,4-dimethoxy-N-(2-((6-(4-methoxyphenyl)pyridazin-3-yl)oxy)ethyl)benzenesulfonamide 1005296-02-5
4-acetyl-N-(3-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)phenyl)benzenesulfonamide 941979-39-1
2-Bromo-1-(methoxymethyl)-1-methylcyclopropane 474657-80-2
N-2-Benzothiazolyl-4-chlorophenylalanine ethyl ester 149105-98-6
6,6-Dimethylbicyclo[3.1.1]hept-2-yl acetaldehyde 64773-71-3
2-(Perfluorobutylsulfonamido)propanoic Acid 347872-10-0
2-(Methylthio)-1-(4-nitrophenyl)ethan-1-one 109949-13-5
N1-(3-methoxyphenyl)-N2-(4-nitrophenyl)oxalamide 899743-70-5
Phosphonic acid, [(2S)-2-amino-2-(4-fluorophenyl)ethyl]-, diethyl ester 827321-02-8
2,2-dimethyl-N-[2-(3-methylphenyl)-4-oxo-4H-chromen-6-yl]propanamide 923165-24-6
N1-(3,3-diphenylpropyl)-N2-(4-fluorobenzyl)oxalamide 941980-33-2
(E)-1-amino-2,4-pentadiene 50624-75-4
2-(4-(2-fluorophenyl)piperazin-1-yl)-N-(3-(methylthio)phenyl)-2-oxoacetamide 941998-58-9
N1-(4-chlorophenethyl)-N2-(2-(methylthio)phenyl)oxalamide 941962-90-9
3-Bromo-N-cyclohexyl-6-phenyl-imidazo[1,2-a]pyrazin-8-amine 676360-94-4
(Rp)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl phenylphosphinate 31352-60-0
2-Ethoxycinnamoyl chloride 345640-34-8
6,7-dimethoxy-N-naphthalen-2-ylquinazolin-4-amine 174892-58-1
7-(3-Amino-3-methyl-1-pyrrolidinyl)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid 108043-91-0
8-chloro-6,11-dihydro-11-(1-cyano-4-piperidylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 100643-73-0
N-(4-Iodophenyl)-N-methylmethanesulphonamide 110965-10-1
6-Oxo-3-(1H-imidazol-1-yl)pyridazine-1(6H)-acetic acid 170955-65-4
N-[4-[(3,4-Dichloro-6-fluorophenyl)amino]quinazolin-6-yl]acrylamide 558460-09-6
N1-(3-methoxyphenyl)-N2-(3-nitrophenyl)oxalamide 899978-62-2
ethyl 1-(2-oxo-2-phenylethyl)-1H-1,2,4-triazole-3-carboxylate 106657-10-7
6-Methyl-5-(1-methylethenyl)-2-(phenylmethoxy)-3-pyridinecarboxaldehyde 139549-20-5
2-{3-[4-(2-Phenylethenesulfonyl)piperazine-1-carbonyl]pyrazin-2-yl}-1,3-benzothiazole 924723-70-6
1-(2-Bromophenyl)-3-phenyl-1H-pyrazol-5-amine 890764-12-2
4-Phenylbut-3-ene-1-thiol 151153-38-7
[(1-cyano-1,2-dimethylpropyl)carbamoyl]methyl 1-(4-fluorophenyl)-2,5-dimethyl-1H-pyrrole-3-carboxylate 924066-85-3
N-[6-(1-Methylethyl)-2-pyridinyl]-2-naphthalenesulfonamide 882014-03-1
1,3,2-Benzodithiaborole 274-29-3
2-Bromo-3,6-dimethoxynaphthalene 108238-23-9
Rel-annotemoyin-1 180892-69-7
2-Fluoro-2-(1H-imidazol-5-yl)ethanamine;dihydrochloride 64068-30-0
(R)-2-amino-3-fluoropropanoic acid hydrochloride 59729-22-5
3-[5-chloro-1-(2,4-dimethylphenyl)-3-methyl-1H-pyrazol-4-yl]-2-cyano-N-(2-methylphenyl)prop-2-enamide 955867-69-3
3,4,5-Trimethoxybenzoic acid 2-[[(4-bromophenyl)amino]thioxomethyl]hydrazide 70452-44-7
Methyl 2-formyl-3,3-dimethylbutanoate 343270-02-0
2-Nitro-N-[(3-nitrophenyl)methyl]acetamide 72078-83-2
5,6,7,8-Tetrahydro-4,9-dimethoxy-1H-benz[f]indole 83514-34-5
1-[cyclohexyl(ethyl)carbamoyl]-3-methyl-1H-imidazol-3-ium iodide 1078139-34-0
6-Bromo-3-methyl-2H-chromen-2-one 1215267-14-3
4-[(E)-[(3Z)-3-[(4-carbamimidoylphenyl)methylidene]-2-oxocyclopentylidene]methyl]benzenecarboximidamide 258519-12-9
4-(2-Furanyl)-5-nitro-2-pentanone 98996-68-0
N-(2-Bromo-3-(dimethylamino)allylidene)-N-methylmethanaminium hexafluorophosphate(V) 291756-78-0

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