CAS number index

CAS numbers starting with 21, page 75

8,045 chemicals have a CAS number that starts with 21. They are listed in CAS order.

Showing 7,401 to 7,500 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

21909-49-9Ethyl 2-methyl-3-indoleacetateC₁₃H₁₅NO₂217.27
2191-67-5CyclooctylureaC₉H₁₈N₂O170.26
21911-69-32-[(4-Methylphenyl)amino]acetic acidC₉H₁₁NO₂165.19
21911-75-12-[Methyl(phenyl)amino]acetic acid hydrochlorideC₉H₁₂ClNO₂201.65
21911-84-2N-Phenyl-beta-alanine methyl esterC₁₀H₁₃NO₂179.22
21911-93-36-Chloro-4-phenyl-2-(4-pyridyl)quinolineC₂₀H₁₃ClN₂316.79
21912-09-41H-Azepine, hexahydro-1-(3,4,5-trimethoxybenzoyl)-C₁₆H₂₃NO₄293.36
219121-62-72-Phenylpyridin-3-amine hydrochlorideC₁₁H₁₁ClN₂206.68
219121-67-23-(1H-Imidazol-4-yl)pyridine dihydrochlorideC₈H₉Cl₂N₃218.09
219125-57-22-[4-(2-Methoxyphenyl)piperazin-1-yl]acetamideC₁₃H₁₉N₃O₂249.31
219125-63-0N-(2-(4-(4-Chlorophenyl)piperazin-1-yl)ethyl)-3-methoxybenzamideC₂₀H₂₄ClN₃O₂373.88
21913-87-17-Hydroxy-1H-phenalen-1-oneC₁₃H₈O₂196.21
21913-97-33-(4-Nitrophenoxycarbonyl)-PROXYLC₁₅H₁₉N₂O₅307.33
21913-98-43'-MethoxydaidzeinC₁₆H₁₂O₅284.27
21913-99-53',4',7-TrihydroxyflavaononeC₁₅H₁₂O₅272.26
219132-82-84-(4-Methyl-1,4-diazepan-1-yl)anilineC₁₂H₁₉N₃205.31
219138-06-4Z-Val-Glu-Ile-Asp-AFCC₃₈H₄₄F₃N₅O₁₂819.79
219138-24-62-(4-Chlorophenyl)-4-(4-fluorophenyl)-1,2-dihydro-5-(4-pyridinyl)-3H-pyrazol-3-oneC₂₀H₁₃ClFN₃O365.80
219139-09-0N-(4-Bromophenyl)-2-(pyridin-2-ylsulfanyl)acetamideC₁₃H₁₁BrN₂OS323.21
219139-34-12-Chloro-N'-(2,4,6-trichlorophenyl)acetohydrazideC₈H₆Cl₄N₂O287.96
219139-64-73-[(2,6-Dimethylmorpholin-4-yl)carbonyl]chromen-2-oneC₁₆H₁₇NO₄287.31
219139-66-9N-tert-Butyl-2-oxo-2H-chromene-3-carboxamideC₁₄H₁₅NO₃245.28
21914-07-85,5-Diphenylbarbituric acidC₁₆H₁₂N₂O₃280.28
21914-54-51-Nitro-9-aminoacridineC₁₃H₉N₃O₂239.23
219140-31-52-[(3-Ethynylphenyl)iminomethyl]-4-nitrophenolC₁₅H₁₀N₂O₃266.26
2191401-18-82-(5-Methyl-1H-pyrazol-1-yl)ethan-1-amine dihydrochlorideC₆H₁₃Cl₂N₃198.10
219143-92-7(S,S)-N,N'-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminochromium(III) chlorideC₃₆H₅₂ClCrN₂O₂632.27
2191446-18-9tert-Butyl 4-(5-amino-1,3,4-oxadiazol-2-yl)piperazine-1-carboxylateC₁₁H₁₉N₅O₃269.31
2191454-50-74-((4-Fluoro-3-(piperazine-1-carbonyl)phenyl)methyl)-1,2-dihydrophthalazin-1-oneC₂₀H₁₉FN₄O₂366.40
21915-40-29-Cyclohexylbicyclo[3.3.1]nonan-9-olC₁₅H₂₆O222.37
21915-53-7(3-Phenyloxiranyl)methanolC₉H₁₀O₂150.18
21917-20-41,2-CyclopentanedicarboxylateC₇H₁₀O₄158.15
21917-76-02-Methyl-1,3-thiazole-4-carbonitrileC₅H₄N₂S124.17
21917-88-46,7-Dihydro-5H-isoquinolin-8-oneC₉H₉NO147.18
21917-99-73-Benzyl-5-phenyl-1H-pyrazoleC₁₆H₁₄N₂234.30
21919-05-1TretazicarC₉H₈N₄O₅252.19
21919-09-5N-(4-Chlorophenyl)-2-hydroxyacetamideC₈H₈ClNO₂185.61
2192-06-52-Aminothiazol-4(5H)-one hydrochlorideC₃H₅ClN₂OS152.61
2192-15-61-(3-Bromophenyl)-3-(dimethylamino)-1-propanone hydrochlorideC₁₁H₁₅BrClNO292.60
2192-20-3Hydroxyzine hydrochlorideC₂₁H₂₉Cl₃N₂O₂447.83
2192-21-41-Propanone, 1-(2-(2-(diethylamino)ethoxy)phenyl)-3-phenyl-, hydrochloride (1:1)C₂₁H₂₈ClNO₂361.91
2192-55-42-(Pentafluorophenoxy)ethanolC₈H₅F₅O₂228.12
21920-89-83-MethoxypropanehydrazideC₄H₁₀N₂O₂118.14
21921-33-51-(Propan-2-yl)imidazolidin-2-oneC₆H₁₂N₂O128.18
21921-76-64-Bromo-2-furaldehydeC₅H₃BrO₂174.98
21922-58-71,5-Dimethylbicyclo(3.2.1)octan-8-oneC₁₀H₁₆O152.24
2192215-81-7Ritlecitinib tosylateC₂₂H₂₇N₅O₄S457.56
2192281-54-0Zadavotide guraxetanC₆₃H₉₂IN₁₁O₂₃1498.39
21923-40-06-Chloro-2,4-diphenylquinolineC₂₁H₁₄ClN315.80
21923-46-66-Chloro-2-(4-methoxyphenyl)-4-phenylquinolineC₂₂H₁₆ClNO345.83
21924-65-2(2R,3S,4R,5R)-2-Hydroxymethyl-5-{6-[(naphthalen-1-ylmethyl)-amino]-purin-9-yl}-tetrahydro-furan-3,4-diolC₂₁H₂₁N₅O₄407.43
21924-83-44-(Bromomethyl)-3-chlorobenzonitrileC₈H₅BrClN230.49
21925-24-6N-(2-Phenoxyethyl)benzamideC₁₅H₁₅NO₂241.29
21925-88-2TesicamC₁₆H₁₁ClN₂O₃314.73
21926-00-1Tetrahydrothiopyran-4-ylamineC₅H₁₁NS117.22
21926-01-22-Aminopentane-1,5-diolC₅H₁₃NO₂119.16
21926-53-4Methyl N-[4-(chlorosulfonyl)phenyl]carbamateC₈H₈ClNO₄S249.68
21926-55-64-(Prop-2-yn-1-yloxy)benzoic acidC₁₀H₈O₃176.17
21926-61-42-((E)-4-Oxo-2-((E)-((E)-3-phenylallylidene)hydrazono)thiazolidin-5-yl)acetic acidC₁₄H₁₃N₃O₃S303.34
219272-21-6Ethyl 2-chloro-4-iodopyridine-3-carboxylateC₈H₇ClINO₂311.51
21928-50-74-(4-Chloro-3-(trifluoromethyl)phenyl)piperidin-4-olC₁₂H₁₃ClF₃NO279.69
21928-51-85-Bromo-1,2,3-trichlorobenzeneC₆H₂BrCl₃260.35
21928-82-5N-Methyl-N-nitroso-9H-purin-6-amineC₆H₆N₆O178.16
219297-11-7(BetaS)-beta-(((1,1-dimethylethoxy)carbonyl)amino)-2-naphthalenebutanoic acidC₁₉H₂₃NO₄329.40
219297-12-8(R)-3-((tert-Butoxycarbonyl)amino)-4-(4-nitrophenyl)butanoic acidC₁₅H₂₀N₂O₆324.33
2193-87-5FluprednideneC₂₂H₂₇FO₅390.45
21930-98-3L-Leucine anilideC₁₂H₁₈N₂O206.29
2193051-76-0Rac-(1r,4r)-4-{[(2-fluorophenyl)methyl]amino}cyclohexan-1-ol hydrochlorideC₁₃H₁₉ClFNO259.75
2193051-84-0(1R)-1-(4-Methyl-1,3-oxazol-2-yl)ethan-1-amine dihydrochlorideC₆H₁₂Cl₂N₂O199.08
2193051-85-1(4S)-6,8-Dimethyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochlorideC₁₁H₁₆ClNO213.71
2193051-86-2(2S)-2-Amino-2-(5-methyl-1H-1,2,4-triazol-3-yl)ethan-1-ol dihydrochlorideC₅H₁₂Cl₂N₄O215.08
2193051-89-5(4S)-4-Amino-3,4-dihydro-2H-1-benzopyran-6-carbonitrile hydrochlorideC₁₀H₁₁ClN₂O210.66
2193051-94-2(2S,4R)-4-Fluoro-2-(trifluoromethyl)pyrrolidine hydrochlorideC₅H₈ClF₄N193.57
2193051-95-3Methyl((1S)-1-(pyridin-3-yl)ethyl)amine dihydrochlorideC₈H₁₄Cl₂N₂209.12
2193051-98-6(4S)-7,8-Dimethyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochlorideC₁₁H₁₆ClNO213.71
2193051-99-7Methyl (2S,3aS,6aS)-octahydrocyclopenta[b]pyrrole-2-carboxylate hydrochlorideC₉H₁₆ClNO₂205.69
2193052-01-4(1R,3R)-3-(3-Bromophenyl)cyclobutan-1-amine hydrochlorideC₁₀H₁₃BrClN262.58
2193052-02-5(2R,3S)-3-Methylpentan-2-amine hydrochlorideC₆H₁₆ClN137.65
2193052-03-6[(4S,8aR)-4-(Aminomethyl)-hexahydro-1H-pyrrolo[2,1-c][1,4]oxazin-4-yl]methanolC₉H₁₈N₂O₂186.25
2193052-05-83-[(2S)-1-[(tert-Butoxy)carbonyl]-2-methylpyrrolidin-2-yl]propanoic acidC₁₃H₂₃NO₄257.33
2193052-07-0Rac-(1s,3s)-1-amino-3-methoxycyclobutane-1-carboxylic acid hydrochlorideC₆H₁₂ClNO₃181.62
2193052-15-0(3S)-3-(Trifluoromethyl)morpholine hydrochlorideC₅H₉ClF₃NO191.58
2193052-16-15-[(1S)-1-{[(tert-Butoxy)carbonyl]amino}ethyl]-2-methoxybenzoic acidC₁₅H₂₁NO₅295.33
2193052-17-2Methyl[(1S)-1-(pyridin-4-yl)ethyl]amine dihydrochlorideC₈H₁₄Cl₂N₂209.12
2193052-19-45-Methyl-3-((2S)-pyrrolidin-2-yl)-1H-1,2,4-triazole dihydrochlorideC₇H₁₄Cl₂N₄225.12
2193052-22-9Ethyl (3S)-3-amino-3-cyclopropylpropanoate hydrochlorideC₈H₁₆ClNO₂193.67
2193052-23-0(R)-Ethyl 3-amino-3-cyclopropylpropanoate hydrochlorideC₈H₁₆ClNO₂193.67
2193058-19-21-Amino-N-methylcyclopropane-1-carboxamide hydrochlorideC₅H₁₁ClN₂O150.61
2193058-30-71-Amino-3,3-difluoro-N,N-dimethylcyclobutane-1-carboxamide hydrochlorideC₇H₁₃ClF₂N₂O214.64
2193058-58-94-(3-Methyl-3H-diazirin-3-yl)butan-1-olC₆H₁₂N₂O128.18
2193058-62-511-Oxa-8,13-diazadispiro[3.0.5^{5}.3^{4}]tridecan-12-one hydrochlorideC₁₀H₁₇ClN₂O₂232.71
2193058-66-92-(1,3-Dioxolan-2-yl)-5-methylpiperidineC₉H₁₇NO₂171.24
2193058-67-0Hexahydro-1H-4lambda6-pyrrolo[1,2-b][1,2,4]thiadiazine-4,4-dioneC₆H₁₂N₂O₂S176.24
2193058-76-1Methyl 5-((chlorosulfonyl)methyl)-1,2-oxazole-3-carboxylateC₆H₆ClNO₅S239.64
2193058-79-44-(1,1,2,2-Tetrafluoro-2-methoxyethyl)benzoic acidC₁₀H₈F₄O₃252.16
2193058-80-77-Methoxyimidazo[1,2-a]pyridine-8-carboxylic acid hydrochlorideC₉H₉ClN₂O₃228.63
2193058-84-1tert-Butyl N-[(4-oxooxan-2-yl)methyl]carbamateC₁₁H₁₉NO₄229.28
2193058-89-62-Amino-2-(3-methyl-1,2,4-oxadiazol-5-yl)ethan-1-ol hydrochlorideC₅H₁₀ClN₃O₂179.61
2193058-92-1(6,6-Difluorooxepan-2-yl)methanolC₇H₁₂F₂O₂166.17
2193058-93-25-(Piperazin-1-yl)pyrimidine dihydrochlorideC₈H₁₄Cl₂N₄237.13

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