CAS number index

CAS numbers starting with 21, page 26

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

Showing 2,501 to 2,600 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2137636-91-82-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)thiazole-5-carboxylic acidC₂₀H₁₆N₂O₄S380.43
2137637-26-21-[(tert-Butoxy)carbonyl]-4-(oxolan-2-yl)piperidine-4-carboxylic acidC₁₅H₂₅NO₅299.37
2137637-27-3tert-Butyl N-(4-tert-butyl-1-(2-oxoethyl)cyclohexyl)carbamateC₁₇H₃₁NO₃297.44
2137637-94-4Methyl 2-(3-aminocyclopentyl)acetate hydrochlorideC₈H₁₆ClNO₂193.67
2137638-44-72-{2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]bicyclo[2.2.1]heptan-2-yl}acetic acidC₂₅H₂₇NO₄405.49
213764-22-8Lithium tris(propan-2-olato)(pyridin-2-yl)borate(1-)C₁₄H₂₅BLiNO₃273.11
213764-25-1Hydrazine, cyclopropyl-, hydrochloride (1:1)C₃H₉ClN₂108.57
213764-26-2rac-((1R,2S)-2-Aminocyclohexyl)methanolC₇H₁₅NO129.20
2137640-21-0tert-Butyl 3-[4-(aminomethyl)-1H-1,2,3-triazol-1-yl]azetidine-1-carboxylate hydrochlorideC₁₁H₂₀ClN₅O₂289.77
2137640-44-73-Chloro-5-fluoro-6-methoxyisoquinolineC₁₀H₇ClFNO211.62
2137640-57-2(Cyclohept-4-en-1-yl)methanamine hydrochlorideC₈H₁₆ClN161.68
2137640-71-04-Bromo-3,3-dimethylbutan-1-olC₆H₁₃BrO181.07
2137641-05-36,6-Difluorospiro[3.3]heptan-2-oneC₇H₈F₂O146.14
2137642-64-74,4-Difluorocyclohexane-1,3-dioneC₆H₆F₂O₂148.11
2137643-39-94-({[(tert-Butoxy)carbonyl](ethyl)amino}methyl)cyclohexane-1-carboxylic acidC₁₅H₂₇NO₄285.38
2137643-42-44-Bromo-2,5-dimethylbenzenesulfonyl fluorideC₈H₈BrFO₂S267.12
2137643-56-02-Oxocyclohexane-1-sulfonyl fluorideC₆H₉FO₃S180.20
2137643-58-22-Methyl-1,3-benzoxazole-6-sulfonyl fluorideC₈H₆FNO₃S215.21
2137644-25-62-Hydroxypyridine-3-sulfonyl fluorideC₅H₄FNO₃S177.16
2137645-05-58-Methylquinoline-5-sulfonyl fluorideC₁₀H₈FNO₂S225.24
2137646-60-52-(2-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2,3-dihydro-1H-isoindol-1-yl)acetic acidC₂₅H₂₁NO₄399.45
2137646-89-8rac-(3R,4R)-4-Cyclopropyl-1-(((9H-fluoren-9-yl)methoxy)carbonyl)pyrrolidine-3-carboxylic acidC₂₃H₂₃NO₄377.44
2137646-95-6tert-Butyl 2-(5-bromopyrimidin-2-yl)pyrrolidine-1-carboxylateC₁₃H₁₈BrN₃O₂328.21
2137647-29-9tert-Butyl 1-(5-formylfuran-2-yl)piperidine-4-carboxylateC₁₅H₂₁NO₄279.34
2137647-95-9tert-Butyl 3-(methoxymethyl)piperidine-3-carboxylateC₁₂H₂₃NO₃229.32
2137647-97-1tert-Butyl N-[2-hydroxy-1-(2-iodophenyl)ethyl]carbamateC₁₃H₁₈INO₃363.19
2137648-38-31-((((tert-Butoxy)carbonyl)amino)methyl)-3-hydroxycyclobutane-1-carboxylic acidC₁₁H₁₉NO₅245.28
2137648-56-53-(4-Chlorophenyl)-1lambda6,2-thiazolidine-1,1-dioneC₉H₁₀ClNO₂S231.70
2137648-83-84-Bromothiophene-3-sulfonyl fluorideC₄H₂BrFO₂S₂245.09
2137649-37-5tert-Butyl 3-(aminomethyl)-6-azabicyclo[3.2.1]octane-6-carboxylateC₁₃H₂₄N₂O₂240.35
2137649-44-4rac-Methyl (1R,5R)-3-azabicyclo[3.2.0]heptane-1-carboxylateC₈H₁₃NO₂155.20
213765-61-85-Iodopyridin-3-olC₅H₄INO221.00
2137650-12-35-(1-Oxo-1lambda4-thiomorpholin-4-yl)pyridine-2-carbaldehydeC₁₀H₁₂N₂O₂S224.28
2137650-58-74-(Chloromethyl)-3-cyclopropyl-1,2-oxazoleC₇H₈ClNO157.60
2137652-33-44-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2,3,4,5-tetrahydro-1,4-benzoxazepine-9-carboxylic acidC₂₅H₂₁NO₅415.44
2137652-97-03-{[(tert-Butoxy)carbonyl]amino}-3-cyclopropylbutanoic acidC₁₂H₂₁NO₄243.30
2137654-36-33-Ethynyl-1,1-difluorocyclopentaneC₇H₈F₂130.14
2137654-93-26-(2-Methylphenyl)-3-azabicyclo[3.1.0]hexane hydrochlorideC₁₂H₁₆ClN209.72
2137654-94-37-Cyclopropyl-1,4-oxazepane hydrochlorideC₈H₁₆ClNO177.68
2137655-11-7Methyl 6-formyl-2,3,4,5-tetrahydro-1H-azepine-1-carboxylateC₉H₁₃NO₃183.21
2137655-27-51,4,8-Triazatricyclo[7.2.1.0,2,7]dodeca-2,4,6-triene dihydrochlorideC₉H₁₃Cl₂N₃234.13
2137655-30-0[(3-Chloro-5-fluorophenyl)methyl]hydrazine hydrochlorideC₇H₉Cl₂FN₂211.07
2137658-96-7Potassium 3-phenyl-1,2,4-thiadiazole-5-carboxylateC₉H₅KN₂O₂S244.32
2137662-34-95-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5-azaspiro(2.5)octane-1-carboxylic acidC₂₃H₂₃NO₄377.44
2137662-92-93-(Benzyloxy)-2,2-difluoropropan-1-amineC₁₀H₁₃F₂NO201.22
2137669-41-91-(Chloromethyl)-4-iodo-2,5-dimethylbenzeneC₉H₁₀ClI280.54
2137672-24-12-(4-Bromothiophen-3-yl)oxolane-2-carboxylic acidC₉H₉BrO₃S277.14
2137672-29-62-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1,3-thiazole-5-carboxylic acidC₂₄H₂₂N₂O₄S434.52
2137672-68-35-(3-(Methylamino)phenyl)pyrimidine-2-carboxylic acidC₁₂H₁₁N₃O₂229.24
2137672-70-72-(1-Ethyl-1H-pyrazol-5-yl)oxolane-2-carboxylic acidC₁₀H₁₄N₂O₃210.23
2137673-03-95-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidin-4-yl)pentanoic acidC₂₅H₂₉NO₄407.51
2137673-43-75,7-DibromoisoquinolineC₉H₅Br₂N286.95
2137674-39-4rac-1-[(2R,5S)-5-Cyclopropyloxolan-2-yl]methanamineC₈H₁₅NO141.21
2137675-05-73-(4-(2-(Dimethylamino)ethoxy)phenyl)propanoic acid hydrochlorideC₁₃H₂₀ClNO₃273.76
2137675-42-22-Hydroxy-5-(piperidin-4-yl)benzoic acid hydrobromideC₁₂H₁₆BrNO₃302.17
2137676-21-0rac-tert-Butyl (1R,6R)-6-amino-2-azabicyclo[4.1.0]heptane-2-carboxylateC₁₁H₂₀N₂O₂212.29
2137679-15-1Sodium 1-methyl-5-(trifluoromethyl)-1H-pyrazole-4-sulfinateC₅H₄F₃N₂NaO₂S236.15
2137682-45-02,6-Difluoro-4-methoxybenzene-1-sulfonyl fluorideC₇H₅F₃O₃S226.18
2137682-74-55-Bromofuran-2-sulfonyl fluorideC₄H₂BrFO₃S229.03
2137682-86-92-(Oxolan-2-yl)ethane-1-sulfonyl fluorideC₆H₁₁FO₃S182.22
2137682-94-99-(3-Hydroxypropyl)-9H-purine-6-sulfonyl fluorideC₈H₉FN₄O₃S260.25
2137684-14-9rac-(3aR,7aR)-octahydropyrano[3,4-c]pyrrole-7a-carboxamide hydrochlorideC₈H₁₅ClN₂O₂206.67
2137684-59-23-Fluoro-6-(methoxycarbonyl)imidazo[1,2-a]pyridine-2-carboxylic acidC₁₀H₇FN₂O₄238.17
2137685-87-91-(4-Formylphenyl)-3-methyl-1H-pyrazole-4-carboxylic acidC₁₂H₁₀N₂O₃230.22
2137686-17-81-Methanesulfonamidocyclopentane-1-carboximidamide hydrochlorideC₇H₁₆ClN₃O₂S241.74
2137686-56-53-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]furan-2-carboxylic acidC₂₁H₁₇NO₅363.37
2137686-98-5Methyl 4-chloro-3-((3-formyl-1H-pyrazol-1-yl)methyl)benzoateC₁₃H₁₁ClN₂O₃278.69
2137687-47-73-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-4-phenylbutanoic acidC₂₆H₂₅NO₄415.49
2137687-50-23-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-2-phenylbutanoic acidC₂₆H₂₅NO₄415.49
2137687-64-82-(1-Methyl-1H-1,2,3-triazol-4-yl)acetic acid hydrochlorideC₅H₈ClN₃O₂177.59
2137687-66-0N-Ethyl-1-formylcyclopropane-1-sulfonamideC₆H₁₁NO₃S177.22
2137687-77-3(3-Cyclopropyl-1,2-oxazol-4-yl)methanolC₇H₉NO₂139.15
2137687-82-02-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)oxy)propanoic acidC₁₈H₁₇NO₅327.34
2137688-19-61-(Bromomethyl)-3,3-difluoro-1-methylcyclobutaneC₆H₉BrF₂199.04
2137688-95-81-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-methoxypyrrolidine-3-carboxylic acidC₂₁H₂₁NO₅367.40
2137690-77-61-(5-Chloro-2,3-dihydro-1-benzofuran-7-yl)ethan-1-amine hydrochlorideC₁₀H₁₃Cl₂NO234.13
2137691-57-51-Cyclopropoxy-2-fluoro-3-iodobenzeneC₉H₈FIO278.06
2137691-96-23-(Methoxycarbonyl)oxolane-3-carboxylic acidC₇H₁₀O₅174.15
2137695-56-6rac-(3aR,6aR)-octahydrocyclopenta(c)pyrrole-3a-carboxamideC₈H₁₄N₂O154.21
2137695-93-13-(((9H-Fluoren-9-ylmethoxy)carbonyl)((4-fluorophenyl)methyl)amino)propanoic acidC₂₅H₂₂FNO₄419.45
2137695-98-6Ethyl 2-(aminomethyl)-5-methyl-1,3-thiazole-4-carboxylate dihydrochlorideC₈H₁₄Cl₂N₂O₂S273.19
2137696-67-2tert-Butyl 2,3-diazabicyclo[2.2.1]heptane-2-carboxylate hydrochlorideC₁₀H₁₉ClN₂O₂234.73
2137697-07-33-(Fluoromethyl)cyclobutan-1-amine hydrochlorideC₅H₁₁ClFN139.60
2137698-57-64-Methoxypyridine-3-sulfonyl fluorideC₆H₆FNO₃S191.18
2137698-85-08-Fluoroquinoline-5-sulfonyl fluorideC₉H₅F₂NO₂S229.21
21377-09-31-Benzyl-1H-pyrazol-3-amineC₁₀H₁₁N₃173.22
2137700-89-94-[1-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)ethyl]oxane-4-carboxylic acidC₂₃H₂₅NO₅395.45
2137702-83-92-(5-Methylthiophen-2-yl)oxolane-2-carboxylic acidC₁₀H₁₂O₃S212.27
2137703-17-2Methyl 2-amino-3-(1H-1,3-benzodiazol-1-yl)-2-methylpropanoate dihydrochlorideC₁₂H₁₇Cl₂N₃O₂306.19
2137703-20-7(2-Bromo-6-fluoropyridin-3-yl)methanamine hydrochlorideC₆H₇BrClFN₂241.49
2137704-05-1tert-Butyl 7-formyl-5-azaspiro(2.4)heptane-5-carboxylateC₁₂H₁₉NO₃225.29
2137704-32-4rac-3-(((1R,2R)-2-Aminocyclohexyl)methyl)-4-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one hydrochlorideC₁₀H₁₉ClN₄O246.74
2137704-55-1tert-Butyl 9-oxo-7-azaspiro[4.5]decane-7-carboxylateC₁₄H₂₃NO₃253.34
2137706-75-16-Fluoro-2-[(2-methylpropan-2-yl)oxycarbonyl]-3,4-dihydro-1H-isoquinoline-7-carboxylic acidC₁₅H₁₈FNO₄295.31
2137707-29-8tert-Butyl N-[3,3,4,4,4-pentafluoro-2-(methylamino)butyl]carbamateC₁₀H₁₇F₅N₂O₂292.25
2137707-46-95-Bromo-3-(butan-2-yl)-1H-pyrrolo(2,3-b)pyridineC₁₁H₁₃BrN₂253.14
2137708-37-15-Chloro-[1,3]oxazolo[4,5-b]pyridin-2-amineC₆H₄ClN₃O169.57
2137709-33-0rac-Methyl 2-[(1R,3S)-3-aminocyclopentyl]acetate hydrochlorideC₈H₁₆ClNO₂193.67
2137709-37-4rac-(3aR,6aS)-3a-methyl-hexahydro-1H-thieno(3,4-c)pyrroleC₇H₁₃NS143.25
2137709-56-72-(Oxan-4-yl)-1,3-oxazole-5-sulfonyl chlorideC₈H₁₀ClNO₄S251.69

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