CAS Number

A CAS number, also known as a CAS registry number or CAS log number, is a unique identification number assigned by the Chemicals Service (CAS), a division of the American Chemical Society, to chemical substances. It is an important tool for retrieving information on chemicals that have multiple names. Chemical substances can be described in many different ways, such as by molecular formula, structural formula, systematic name, generic name, or trade name. However, the CAS Registry Number is unique to a single substance.

CAS 2172625-14-6|4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]but-2-en CAS 2171535-56-9|2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]hex-5-en CAS 2171955-08-9|4-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-thiazole-4-carbonyl}th CAS 2172562-45-5|4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoro-2-methylpropanoyl] CAS 2171592-50-8|4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methoxypentanoyl]thiomorpholine- CAS 2172459-19-5|4-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]thiomorpholine-2- CAS 2227973-37-5|rac-3-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-3 CAS 2228026-85-3|rac-4-{[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido} CAS 2227975-53-1|rac-2-{1-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl CAS 2227927-07-1|rac-(1R,2S)-2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]cy CAS 2172229-24-0|4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-methoxybutanoic acid CAS 2171715-15-2|4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-methoxybutanoic acid CAS 2172496-98-7|4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-2-methoxybutanoic acid CAS 2171605-45-9|2-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]acetamido}-4,4-dimet CAS 2172458-86-3|2-[N-benzyl-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]acetic acid CAS 2172630-26-9|4-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]formamido}-2-methylbut CAS 2172612-29-0|4-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-methyl CAS 2171954-95-1|2-{N-benzyl-1-[3-chloro-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formami CAS 2171175-49-6|2-[(3S)-N-benzyl-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-5-methylhexa CAS 2648928-24-7|1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoyl]-2-(methoxym CAS 2172228-76-9|2-[N-(2,2-dimethylpropyl)-2-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)buta CAS 2171754-39-3|4-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-3-me CAS 2171605-40-4|2-{4-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]morp CAS 2171701-36-1|3-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-4,4, CAS 2171714-92-2|1-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-3-meth CAS 2171592-10-0|3-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-(p CAS 2171605-10-8|2-{2-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]et CAS 2171790-67-1|3-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-2-hy CAS 2228236-31-3|2,2-Difluoro-2-{pyrazolo[1,5-a]pyridin-3-yl}ethan-1-ol CAS 2171535-39-8|1-[3-(dimethylamino)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-4-meth CAS 2171535-35-4|3-[benzyl(methyl)amino]-2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylp CAS 2171441-33-9|2-(cyclopropylmethyl)-3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(meth CAS 2171431-18-6|2-(cyclopropylmethyl)-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(meth CAS 2171954-57-5|2-(cyclopropylmethyl)-3-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybut CAS 2227706-97-8|rac-2-[(2-{2-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acet CAS 2172489-67-5|5-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetamido}-3-methylp CAS 2227765-11-7|rac-2-[(1R,2S)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropana CAS 2227720-33-2|2-[(1RS,2SR)-2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanami CAS 2172624-98-3|1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enoyl]-3-methylpyrro CAS 2172614-40-1|2-{1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enamido]cyclobuty CAS 2171245-88-6|(3R)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbut-2-enoyl]piperidin CAS 2172607-15-5|4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]-2-methylbut-2- CAS 2172634-22-7|4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-methylbut-2-enoic ac CAS 2172250-34-7|2-{N-benzyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-fluorophenyl]formami CAS 2308464-08-4|4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-[(3S)-3-methylmorpholin-4-yl]-5-oxo CAS 2172622-24-9|4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]cyclopent-1-ene-1-car CAS 2171366-38-2|1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]-2-methylpiperi CAS 2171283-62-6|2-{4-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutaneamido]-1H-pyrazol-1-y CAS 2171613-08-2|2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylpropanamido]-3,3,3-tri CAS 2171604-94-5|2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanamido}-3,3,3-trifluoro CAS 2171641-59-9|2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-3,3,3-trifluoropropano CAS 2171604-84-3|1-[3-(benzyloxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-3-hydroxyaz CAS 2172169-63-8|1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclohexanecarbonyl}-3-hydr CAS 2171845-89-7|1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3-methylbutanoyl}-3-hydrox CAS 2171202-15-4|1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]-3-hydro CAS 2172250-08-5|1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridine-2-carbonyl]-2-methylpyrrol CAS 2171845-74-0|3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]-2,2,3-trimethylbutanoic CAS 2227764-94-3|(2S)-1-[(1RS,2SR)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptanecarbonyl CAS 2227678-54-6|rac-2-{1-[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptanecarbonyl CAS 2227859-81-4|rac-4-{[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptyl]formamido} CAS 2171986-17-5|2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(prop-2-yn-1-yl)pentanamido]acet CAS 2171954-50-8|2-({2-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]ethyl CAS 2171412-01-2|2-({2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]ethyl CAS 2227881-18-5|(2RS,3SR)-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)b CAS 2227764-82-9|rac-(2R,3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazole-4-amido]o CAS 2227906-82-1|rac-(2R,3S)-3-{3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)ethoxy]propanamido}o CAS 2227926-99-8|rac-(2R,3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]oxolane-2-ca CAS 2171226-58-5|(2S)-2-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propan CAS 2171175-41-8|(2S,4S)-1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl] CAS 2172067-72-8|2-{1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpentanoyl]piperidin-4-y CAS 2171628-37-6|3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyridine-2-carbonyl]-2-methyl-1,3-t CAS 2171677-93-1|1-{2-ethyl-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]butanoyl}piperidine CAS 2171612-95-4|2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hex-5-enamido]cyclobutyl}acetic CAS 2171641-37-3|2-[N-tert-butyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hex-5-enamido]acetic a CAS 2171628-28-5|2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanoyl]azet CAS 2171612-87-4|3-[N-tert-butyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)but CAS 2171714-40-0|5-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]meth CAS 2171700-93-7|4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-(methylsulfanyl)butanamido]-3-me CAS 2171677-81-7|3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[({thieno[3,4-b]thiophen-2-yl}methy CAS 2171766-23-5|4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{methyl[(5-methylthiophen-2-yl)meth CAS 2171641-20-4|3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{methyl[(5-methylthiophen-2-yl)meth CAS 2171782-82-2|4-(3-cyanopyrrolidin-1-yl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxobutan CAS 2171700-84-6|3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(5-hydroxy-3,3-dimethylcyclohexyl) CAS 2171496-96-9|3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-({spiro[3.4]octan-1-yl}carbamoyl)pr CAS 2171189-63-0|2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]acetic acid CAS 2171226-52-9|(2S)-2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-phenylacet CAS 2171351-98-5|3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]-2-methylbutanoic CAS 2171411-92-8|3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]pentanoic acid CAS 1374584-44-7|1-(2,6-Dimethylbenzyl)-4-methoxybenzene CAS 2708287-50-5|3-(2-Fluorocyclopropyl)-1-methyl-1H-pyrazole-4-carboxylic acid CAS 1883650-97-2|CDDO-4P-Im CAS 2299277-74-8|Uridine, 3 inverted exclamation marka-deoxy-2 inverted exclamation marka-O-(2-metho CAS 2676896-46-9|Ethyl 2-[4-(Cbz-amino)-2-oxopyrimidin-1(2H)-yl]acetate CAS 625111-65-1|N'-[9-[(1S,3R,4S,7R)-1-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-7-hydroxy-2, CAS 82078-42-0|3-O-Demethyl isorotenone CAS 2647441-55-0|[(2R,3S,4R,5R)-5-(4-amino-5-deuteriopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4- CAS 2377035-81-7|1-Fluoro-2-(naphthalene-2-carbonyl)-2-azabicyclo[2.2.1]heptane CAS 2228696-87-3|3-[(4-Phenylphenyl)methyl]piperidin-3-ol CAS 2229647-08-7|[1-(2-Phenylethenyl)cyclobutyl]methanol CAS 2228801-88-3|2-(1-Phenylcyclopropoxy)acetic acid
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