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
2-(4-(4-(tert-butyl)benzamido)phenyl)-N-(2,2,2-trifluoroethyl)-2H-tetrazole-5-carboxamide 1396802-39-3
2-(4-(3-fluorobenzamido)phenyl)-N-(2,2,2-trifluoroethyl)-2H-tetrazole-5-carboxamide 1396637-77-6
(E)-2-(4-cinnamamidophenyl)-N-(2,2,2-trifluoroethyl)-2H-tetrazole-5-carboxamide 1396892-96-8
2-(4-(thiophene-3-carboxamido)phenyl)-N-(2,2,2-trifluoroethyl)-2H-tetrazole-5-carboxamide 1396558-73-8
5-bromo-2-chloro-N-(4-(dimethylamino)but-2-yn-1-yl)benzamide 1396800-70-6
N-(4-(dimethylamino)but-2-yn-1-yl)-2,2-diphenylacetamide 1396878-56-0
1-Benzyl-3-[4-(dimethylamino)but-2-yn-1-yl]urea 1396676-80-4
N-(4-(dimethylamino)but-2-yn-1-yl)-4-methylbenzenesulfonamide 1396676-92-8
N-(4-(dimethylamino)but-2-yn-1-yl)quinoline-8-sulfonamide 1421584-61-3
methyl 3-(N-(4-(dimethylamino)but-2-yn-1-yl)sulfamoyl)thiophene-2-carboxylate 1396684-33-5
(E)-N-(4-(dimethylamino)but-2-yn-1-yl)-2-(p-tolyl)ethenesulfonamide 1396891-12-5
N-[4-(diisopropylamino)but-2-ynyl]-4-methoxy-benzamide 1351609-78-3
N-[4-(diisopropylamino)but-2-ynyl]-3,4-dimethoxy-benzamide 1351657-84-5
N-[4-(diisopropylamino)but-2-ynyl]-2-(1-naphthyl)acetamide 1396866-00-4
N-[4-(diisopropylamino)but-2-ynyl]-3-(4-methoxyphenyl)propanamide 1421584-71-5
N-[4-(diisopropylamino)but-2-ynyl]-2-(4-fluorophenyl)sulfanyl-acetamide 1396561-13-9
N-[4-(diisopropylamino)but-2-ynyl]-1H-indole-6-carboxamide 1396814-33-7
N-cyclopropyl-2-[4-(2-methyl-2H-tetrazol-5-yl)phenoxy]acetamide 1574398-22-3
3-Amino-5-methylisonicotinaldehyde 1289077-92-4
tert-Butyl N-[1-(furan-2-yl)-1-oxopropan-2-yl]carbamate 1935268-84-0
ethyl 7-oxo-3-phenyl-3,3a,4,5,6,7a-hexahydro-2H-[1,2]thiazolo[4,5-b]pyridine-6-carboxylate 1325304-79-7
5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-8-thia-3,5,10-triazatricyclo[7.4.0.02,7]trideca-1(9),2,10,12-tetraene-4,6-dione 1326837-40-4
N-(4-ethylphenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,10a-tetrahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326857-25-3
N-(2-chlorophenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,4a,5,5a,6,7,8,9,9a,10a-dodecahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326841-46-6
N-(2-bicyclo[2.2.1]hept-5-enylmethyl)-2-(4-oxo-1H-phthalazin-1-yl)acetamide 1310939-46-8
N-(2-bicyclo[2.2.1]hept-5-enylmethyl)-3-[(3-chlorophenyl)methoxy]-4-oxo-3H-pyridine-6-carboxamide 1310934-03-2
1-Naphthalenesulfonamide, N-[3-cyclopropyl-5-(1,1-dimethylethyl)-4-methyl-2(3H)-thiazolylidene]- 1273182-72-1
4,4-difluoro-N-methylcyclohexane-1-carboxamide 1203954-86-2
5-methoxy-4-oxo-N-pyridin-3-ylpiperidine-2-carboxamide 1282101-30-7
N-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]-4-oxo-5-phenylmethoxypiperidine-2-carboxamide 1282127-01-8
N-(5-cyclobutyl-1,3,4-thiadiazol-2-yl)-2-[(6-methyl-4-oxo-4aH-thieno[2,3-d]pyrimidin-2-yl)methylsulfanyl]acetamide 1282111-55-0
1-Bromo-4-[2-(trifluoromethyl)cyclopropyl]benzene 1824378-54-2
2-(2-ethylsulfonylethyl)piperidine 857381-77-2
N-(3,5-dimethylphenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,4a,5,5a,6,7,8,9,9a,10a-dodecahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326886-43-4
N-(3-chloro-2-methylphenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,4a,5,5a,6,7,8,9,9a,10a-dodecahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326837-58-4
N-(4-chloro-3-fluorophenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,4a,5,5a,6,7,8,9,9a,10a-dodecahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326872-78-9
1-{2-Chloro-4-[(prop-2-yn-1-yl)amino]phenyl}ethan-1-one 1797626-14-2
1-Ethyl-N-(hex-5-en-2-yl)-1H-pyrazol-4-amine 1564826-06-7
N-(3-cyanophenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,4a,5,5a,6,7,8,9,9a,10a-dodecahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326902-85-5
methyl 2-[2-(2-piperidyl)ethylsulfonyl]acetate 1266828-25-4
2-[(Hex-5-en-2-yl)amino]-N,N-dimethylacetamide 1565338-88-6
N-(4-fluoro-3-methylphenyl)-2-(8-methoxy-6-methyl-10-oxo-1,3,4,4a,5,5a,6,7,8,9,9a,10a-dodecahydrobenzo[b][1,6]naphthyridin-2-yl)acetamide 1326886-48-9
(1-Amino-3-ethoxy-2,2-dimethylcyclobutyl)methanol 1602002-16-3
N-cyclohexyl-2-[2-(naphthalen-1-yl)-4-oxo-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-5-yl]acetamide 1326861-53-3
Spiro[3.4]octan-1-amine 1379148-40-9
N,N-diethyl-2-[2-(naphthalen-1-yl)-4-oxo-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-5-yl]acetamide 1326828-93-6
(3-(furan-2-yl)-1H-pyrazol-4-yl)methanamine 1520528-23-7
N-(3-methoxyphenyl)-2-[2-(naphthalen-1-yl)-4-oxo-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-5-yl]acetamide 1326909-58-3
N-cyclopentyl-2-[2-(naphthalen-1-yl)-4-oxo-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-5-yl]acetamide 1326843-79-1
N-(2-ethylphenyl)-2-[2-(naphthalen-1-yl)-4-oxo-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-5-yl]acetamide 1326829-06-4

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