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
2,3-dimethoxy-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzamide 1169977-00-7
5-bromo-2-chloro-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzamide 1203200-48-9
1-(3-chloro-4-fluorophenyl)-3-(3-(6-oxopyridazin-1(6H)-yl)propyl)urea 1203208-63-2
1-(3-fluoro-4-methylphenyl)-3-(3-(6-oxopyridazin-1(6H)-yl)propyl)urea 1203254-24-3
1-(2-methoxy-5-methylphenyl)-3-(3-(6-oxopyridazin-1(6H)-yl)propyl)urea 1170642-99-5
1-(5-chloro-2-methoxyphenyl)-3-(3-(6-oxopyridazin-1(6H)-yl)propyl)urea 1172246-26-2
4-methyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203235-43-1
3,4-dimethyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203240-02-1
2,4-dimethyl-N-[3-(6-oxo-1,6-dihydropyridazin-1-yl)propyl]benzene-1-sulfonamide 1203238-99-6
2-methoxy-5-methyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203310-47-7
2-fluoro-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203421-95-7
4-fluoro-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)-3-(trifluoromethyl)benzenesulfonamide 1203124-75-7
3-chloro-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203233-45-7
5-methyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)thiophene-2-sulfonamide 1203030-59-4
3,5-dimethyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203056-65-8
2,5-dimethyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203298-71-8
2,5-diethoxy-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide 1203062-11-6
N-(4-(N-(3-(6-oxopyridazin-1(6H)-yl)propyl)sulfamoyl)phenyl)isobutyramide 1203139-31-4
N-(4-(N-(3-(6-oxopyridazin-1(6H)-yl)propyl)sulfamoyl)phenyl)butyramide 1203286-78-5
4-bromo-N,N-bis(2-methoxyethyl)-1H-pyrrole-2-carboxamide 1184245-68-8
ethyl 4-{[4-(4-oxoquinazolin-3(4H)-yl)phenyl]carbonyl}piperazine-1-carboxylate 1190293-75-4
alpha-L-Threofuranose 1932174-52-1
6-phosphonatooxy-D-gluconate 58000-20-7
(S)-fenticonazole 1268165-30-5
2-Cyclopenten-1-one, 3,4-diphenyl-, (R)- 4970-78-9
(S)-2-Amino-3-(((R)-1-amino-1-carboxy-2-methylpropan-2-yl)disulfaneyl)-3-methylbutanoic Acid 687973-24-6
(1R)-2-amino-1-[3-(trifluoromethyl)phenyl]ethanol 1568041-19-9
(S)-2-((3-(Trifluoromethyl)phenoxy)methyl)oxirane 1352549-03-1
(1S)-2-amino-1-[4-(benzyloxy)phenyl]ethan-1-ol 1787145-34-9
(2R)-N-Ethyltetrahydro-2-furanmethanamine 914260-89-2
(2S, 3S)-N-Boc-O-t-butylthreonine 474334-59-3
(2S)-1-(2-methylphenyl)propan-2-ol 1465909-77-6
1-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-4-(2,2,2-trifluoroethyl)piperazine 1325340-13-3
N-(5-methylisoxazol-3-yl)-1-(5-nitrofuran-2-carbonyl)piperidine-4-carboxamide 1226453-98-0
(E)-1-(3-(furan-2-yl)acryloyl)-N-(5-methylisoxazol-3-yl)piperidine-4-carboxamide 1251711-32-6
1-(2-(2-fluorophenoxy)acetyl)-N-(5-methylisoxazol-3-yl)piperidine-4-carboxamide 1226428-13-2
N-(5-methylisoxazol-3-yl)-1-(2-(methylthio)benzoyl)piperidine-4-carboxamide 1226448-09-4
1-(2-(benzo[d]oxazol-2-ylthio)acetyl)-N-(5-methylisoxazol-3-yl)piperidine-4-carboxamide 1251683-91-6
1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-N-(5-methylisoxazol-3-yl)piperidine-4-carboxamide 1251561-89-3
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(methylsulfanyl)-N-[(thiophen-2-yl)methyl]pyridine-3-carboxamide 1090720-67-4
3-(3,5-dimethylisoxazol-4-yl)-N-(thiophen-2-ylmethyl)propanamide 1235301-08-2
N-(5-(ethylthio)-1,3,4-thiadiazol-2-yl)-2-(1H-pyrazol-1-yl)acetamide 1207051-17-9
N-[(2H-1,3-benzodioxol-5-yl)methyl]-2-(1H-pyrazol-1-yl)acetamide 1207010-08-9
N-(4-(1H-tetrazol-1-yl)phenyl)-2-(1H-pyrazol-1-yl)acetamide 1207022-55-6
N-cyclohexyl-2-(1H-pyrazol-1-yl)acetamide 1170071-25-6
1-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)-3-phenethylurea 1203385-15-2
N-(3-iodophenyl)morpholine-4-carboxamide 875795-93-0
N-(4,5-dimethyl-1,3-thiazol-2-yl)-2-(2-pyridyl)-4-quinolinecarboxamide 1144442-83-0
N-[(2Z)-4,5-dimethyl-1,3-thiazol-2(3H)-ylidene]-4-(4-oxoquinazolin-3(4H)-yl)benzamide 1190278-14-8
4-(4-Benzylpiperazin-1-yl)-3-fluoronitrobenzene 850220-35-8

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