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-Aminocyclobutyl)(imino)(methyl)-L6-sulfanone 2624121-83-9
(2R)-3-[(5R)-3-bromo-4,5-dihydro-1,2-oxazol-5-yl]-2-{[(tert-butoxy)carbonyl]amino}propanoic acid 2309296-08-8
Tert-butyl 4-(2-aminoethyl)-2-azabicyclo[2.2.1]heptane-2-carboxylate 2624135-79-9
Tert-butyl 4-(aminomethyl)-2-azabicyclo[2.2.1]heptane-2-carboxylate 2624135-74-4
2-Tert-butyl-3-oxocyclobutane-1-carboxylic acid 2384295-33-2
4,5-difluoro-6-methoxy-1H-indole-2-carboxylic acid 2624135-34-6
tert-butyl N-({5-azaspiro[2.4]heptan-7-yl}methyl)-N-methylcarbamate 852831-41-5
4-bromo-1-ethyl-3-ethynyl-1H-pyrazole 2624134-85-4
4-Hydroxythieno[3,2-d]pyrimidine-7-sulfonyl chloride 2624141-11-1
rac-(1R,4R,5S)-5-methoxy-2-azabicyclo[2.2.1]heptane 2624109-14-2
2,2,2-Trifluoro-1-{5-oxa-8-azaspiro[3.5]nonan-8-yl}ethan-1-one 2624141-14-4
rac-tert-butyl (1R,2R)-2-(bromomethyl)cyclopropane-1-carboxylate 2624108-83-2
[(3R)-2-nitroso-1,2,3,4-tetrahydroisoquinolin-3-yl]methanol 2624108-82-1
rac-tert-butyl (1R,5S,6R)-6-(hydroxymethyl)-8-azabicyclo[3.2.1]octane-8-carboxylate 2648865-55-6
rac-(1R,2R)-2-({1-[(tert-butoxy)carbonyl]piperidin-4-yl}methyl)cyclopropane-1-carboxylic acid 2350443-70-6
5-bromo-4-isopropyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole 2550492-47-0
2-[(1-methyl-1H-pyrazol-4-yl)sulfonyl]ethan-1-amine 2624121-57-7
{1-Methyl-2-oxabicyclo[3.1.1]heptan-4-yl}methanol 2624129-17-3
2-[(3,5-Dimethyl-1,2-oxazol-4-yl)sulfanyl]ethan-1-amine 2624125-73-9
imino(methyl)[1-(oxan-2-yl)-1H-pyrazol-4-yl]-lambda6-sulfanone 2624137-26-2
3-Nitro-5-(trifluoromethyl)benzene-1-carboximidamide 20566-85-2
tert-Butyl (4-hydroxy-2,2-dimethylbutyl)(methyl)carbamate 2407613-41-4
4-(azidomethyl)-1-ethyl-3,5-dimethyl-1H-pyrazole 2229274-97-7
2-{1-[(tert-butoxy)carbonyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-5-yl}acetic acid 2624136-25-8
3-(Aminomethyl)pyrrolidine-1-carbonitrile 2243176-74-9
N-Octyl-5-oxo-2-pyrrolidinecarboxamide 55478-46-1
1-{[(tert-butoxy)carbamoyl]methyl}-1H-imidazole-5-carboxylic acid 2624140-64-1
2,6-Dichloro-9H-fluorene 832-90-6
5-Azido-2-methylbenzene-1-sulfonyl fluoride 2648956-00-5
tert-butyl N-[3-oxo-1-(trifluoromethyl)cyclobutyl]carbamate 2386117-40-2
7-Methoxy-2,2-dimethyl-2,3,4,5-tetrahydro-1,4-benzoxazepin-5-one 2624140-68-5
ethyl 1-(3-oxopropyl)-1H-pyrazole-5-carboxylate 2549160-45-2
Methyl 3-hydroxy-5-(trifluoromethyl)furo[2,3-b]pyridine-2-carboxylate 2624136-35-0
benzyl N-(4-phenylpiperidin-4-yl)carbamate 2624135-31-3
1-[1-(4-tert-butylphenyl)-5-methyl-1H-pyrazol-4-yl]ethan-1-amine 2624140-75-4
1-(Cyclobutoxymethyl)-2-fluorobenzene 2549002-66-4
5-(morpholin-2-yl)-1H-indole 1521373-49-8
4-methyl-2-[(2-{1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}-octahydrocyclopenta[c]pyrrol-3a-yl)methoxy]pyrimidine 2742047-26-1
4-cyclopropyl-3-[1-(6-fluoroquinazolin-4-yl)piperidin-4-yl]-1-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one 2742036-24-2
4,5-Dimethyl-6-[(2-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-octahydrocyclopenta[c]pyrrol-3a-yl)methoxy]pyrimidine 2742040-37-3
6-Fluoro-2-{3-[(3-methylpyridin-4-yl)oxy]pyrrolidin-1-yl}-1,3-benzoxazole 2742051-74-5
1-(6-Ethyl-5-fluoropyrimidin-4-yl)-4-phenylpiperidine-4-carbonitrile 2742039-53-6
9-(2-methoxyethyl)-6-[5-(5-methyl-1,3,4-thiadiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-9H-purine 2742010-61-1
2-(5-{2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-yl}-octahydropyrrolo[3,4-c]pyrrol-2-yl)-3-(trifluoromethyl)pyridine 2742053-53-6
N-[(2,3-dihydro-1,4-benzodioxin-6-yl)methyl]-N,2-dimethylpyrido[3,4-d]pyrimidin-4-amine 2742060-58-6
6-Chloro-2-[1-(5-cyclopropyl-1,2-oxazole-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine 2741894-43-7
4-(4-{2-Tert-butylimidazo[1,2-b]pyridazin-6-yl}piperazin-1-yl)-5,6,7,8-tetrahydroquinazoline 2742037-14-3
2-(5-{Thieno[3,2-d]pyrimidin-4-yl}-octahydropyrrolo[3,4-c]pyrrol-2-yl)-3-(trifluoromethyl)pyridine 2742065-07-0
5-fluoro-N-{[1-(6-fluoro-1,3-benzoxazol-2-yl)piperidin-4-yl]methyl}-N,6-dimethylpyrimidin-4-amine 2742015-74-1
2-[4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl]-4,6-dimethyl-1,3-benzothiazole 2741938-60-1

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