CAS number index

CAS numbers starting with 20, page 37

7,121 chemicals have a CAS number that starts with 20. They are listed in CAS order.

Showing 3,601 to 3,700 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

2059914-94-0rac-Methyl (3R,4R)-3,4-dimethylpyrrolidine-3-carboxylateC₈H₁₅NO₂157.21
2059914-99-5(1S,3R)-3-(Benzyloxy)-2,2-dimethylcyclobutan-1-olC₁₃H₁₈O₂206.28
2059915-51-2(1R,2S,6R,7S)-4Lambda6-thia-9-azatricyclo(5.3.0.0,2,6)decane-4,4-dione hydrochlorideC₈H₁₄ClNO₂S223.72
2059915-53-4rac-tert-Butyl N-((3aR,6S,6aS)-octahydrocyclopenta(b)pyrrol-6-yl)carbamateC₁₂H₂₂N₂O₂226.32
2059917-34-7rac-tert-Butyl (3R,5S)-3-amino-5-fluoropiperidine-1-carboxylateC₁₀H₁₉FN₂O₂218.27
2059917-65-4rac-(3aR,6aR)-2-benzyl-octahydrocyclopenta(c)pyrrole-3a-carboxylic acidC₁₅H₁₉NO₂245.32
2059917-80-3rac-(2R,3R)-2-[1-(2-Methoxyphenyl)-1H-pyrazol-5-yl]oxolane-3-carboxylic acidC₁₅H₁₆N₂O₄288.30
2059917-98-3rac-(2R,3R)-2-(1-Benzyl-1H-pyrazol-5-yl)oxolane-3-carboxylic acidC₁₅H₁₆N₂O₃272.30
2059923-79-2rac-(1R,2S)-2-(3-Methoxypyrrolidin-1-yl)cyclopentan-1-amineC₁₀H₂₀N₂O184.28
2059927-62-52-Amino-3-(4-bromophenyl)-2-methylpropan-1-ol hydrochlorideC₁₀H₁₅BrClNO280.59
2059927-64-71-(Oxan-2-yl)cyclobutane-1-carbaldehydeC₁₀H₁₆O₂168.24
2059927-68-12-(5-Bromothiophen-2-yl)-2-(methylamino)acetic acid hydrochlorideC₇H₉BrClNO₂S286.58
2059927-80-73-(Chloromethyl)-1,5-dimethyl-1H-pyrazole-4-sulfonyl chlorideC₆H₈Cl₂N₂O₂S243.12
2059927-86-3Cyclohexyl(ethyl)imino-lambda6-sulfanoneC₈H₁₇NOS175.30
205993-33-5(6R)-6-(Hydroxymethyl)piperazin-2-oneC₅H₁₀N₂O₂130.15
205993-34-6(6S)-6-(Hydroxymethyl)piperazin-2-oneC₅H₁₀N₂O₂130.15
2059931-73-41-Oxaspiro(4.4)nonan-3-amine hydrochlorideC₈H₁₆ClNO177.68
2059931-82-53-(3-tert-Butyl-4-methoxyphenyl)-2-methylpropanalC₁₅H₂₂O₂234.34
2059931-96-14-Aminooxan-3-ol hydrochlorideC₅H₁₂ClNO₂153.61
2059932-05-51-[(tert-Butoxy)carbonyl]-6-hydroxy-2,3-dihydro-1H-indole-2-carboxylic acidC₁₄H₁₇NO₅279.29
2059932-13-52-Cyclopropyl-2-[(cyclopropylmethyl)amino]acetamide hydrochlorideC₉H₁₇ClN₂O204.70
2059932-30-63-Amino-1-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)azepan-2-one hydrochlorideC₁₀H₁₇ClN₄O₂260.73
2059932-32-84H,5H,6H,7H-Thieno[2,3-c]pyridine-7-carboxylic acid hydrochlorideC₈H₁₀ClNO₂S219.69
2059932-43-1Ethyl 6-bromo-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylateC₉H₈BrN₃O₂270.09
2059932-81-75-(4-Aminophenyl)imidazolidine-2,4-dione hydrochlorideC₉H₁₀ClN₃O₂227.65
2059932-87-32-(Pyridin-4-yl)benzoic acid hydrochlorideC₁₂H₁₀ClNO₂235.67
2059932-93-1Ethyl 2-amino-3-hydroxy-3-(pyridin-4-yl)propanoate dihydrochlorideC₁₀H₁₆Cl₂N₂O₃283.15
2059932-99-7(Piperidin-2-yl)methanesulfonamide hydrochlorideC₆H₁₅ClN₂O₂S214.72
2059933-10-53-Hydroxypiperidine-3-carboxylic acid hydrochlorideC₆H₁₂ClNO₃181.62
2059934-12-0(2,5-Difluorophenyl)(imino)methyl-lambda6-sulfanoneC₇H₇F₂NOS191.20
2059934-72-22-(1-Benzyl-4-(((tert-butoxy)carbonyl)amino)piperidin-4-yl)acetic acidC₁₉H₂₈N₂O₄348.44
2059934-88-04-Chloro-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pent-4-enoic acidC₂₀H₁₈ClNO₄371.82
2059934-94-84-Ethyl-1,2-thiazoleC₅H₇NS113.19
2059935-73-6(2,4-Difluoro-5-iodophenyl)methanamine hydrochlorideC₇H₇ClF₂IN305.49
2059936-24-04-Amino-N-((dimethylamino)(methyl)oxo-lambda6-sulfanylidene)benzamideC₁₀H₁₅N₃O₂S241.32
2059936-27-31-Benzyl-3-tert-butylpyrrolidine-3-carbaldehydeC₁₆H₂₃NO245.37
2059936-29-57-((tert-Butoxy)carbonyl)-3-methyl-5H,6H,7H,8H-(1,2,4)triazolo(4,3-a)pyrazine-6-carboxylic acidC₁₂H₁₈N₄O₄282.30
2059936-35-37-Methoxyquinoline-8-sulfonyl chlorideC₁₀H₈ClNO₃S257.70
2059936-50-23-Amino-4,4-diethylpyrrolidin-2-oneC₈H₁₆N₂O156.23
2059936-64-81-Cyclobutyl-4,5,6,7-tetrahydro-1H-1,2,3-benzotriazole-6-carboxylic acidC₁₁H₁₅N₃O₂221.26
2059937-00-54-Oxa-9-azatricyclo[5.3.0.0,2,6]decaneC₈H₁₃NO139.20
2059937-11-86-Fluoro-1,2,3,4-tetrahydronaphthalene-2-sulfonyl chlorideC₁₀H₁₀ClFO₂S248.71
2059937-32-3Ethyl 2-{[(tert-butoxy)carbonyl]amino}-3-hydroxy-3-(pyridin-4-yl)propanoateC₁₅H₂₂N₂O₅310.35
2059937-36-7[(2-Hydroxyphenyl)imino]dimethyl-lambda6-sulfanoneC₈H₁₁NO₂S185.25
2059937-42-5(2-Bromopyridin-4-yl)methanamine dihydrochlorideC₆H₉BrCl₂N₂259.96
2059937-47-01-[(Benzyloxy)carbonyl]-3,3-dimethylazetidine-2-carboxylic acidC₁₄H₁₇NO₄263.29
2059937-50-5(2-Fluoro-5-nitrophenyl)methanesulfonyl fluorideC₇H₅F₂NO₄S237.18
2059937-52-72-Bromo-6-fluoro-3-(trifluoromethyl)benzoic acidC₈H₃BrF₄O₂287.01
2059937-57-2Methyl 4-methyl-2,3-dihydro-1H-indole-2-carboxylate hydrochlorideC₁₁H₁₄ClNO₂227.69
2059937-68-52-Chloro-1,3-oxazole hydrochlorideC₃H₃Cl₂NO139.97
2059937-73-23-Amino-2-((3-hydroxyphenyl)methyl)propanoic acid hydrochlorideC₁₀H₁₄ClNO₃231.68
2059937-77-63-[Methyl(methylimino)oxo-lambda6-sulfanyl]benzoic acidC₉H₁₁NO₃S213.26
2059937-81-25-(Chloromethyl)-5H,6H,7H-pyrrolo(1,2-b)(1,2,4)triazole hydrochlorideC₆H₉Cl₂N₃194.06
2059937-84-55-Methoxy-2,3,6,7-tetrahydro-1lambda6,4-thiazepine-1,1-dioneC₆H₁₁NO₃S177.22
2059937-95-8(5-(Oxan-4-yl)-4H-1,2,4-triazol-3-yl)methanamine hydrochlorideC₈H₁₅ClN₄O218.69
2059937-99-2tert-Butyl 4-methoxy-3,9-diazabicyclo(4.2.1)non-3-ene-9-carboxylateC₁₃H₂₂N₂O₃254.33
2059938-03-1Benzyl 4,4-dimethoxy-3-oxopiperidine-1-carboxylateC₁₅H₁₉NO₅293.32
2059938-18-8tert-Butyl 6-bromo-1,2,3,4-tetrahydroquinoline-4-carboxylateC₁₄H₁₈BrNO₂312.21
2059938-21-3N-Methyl-1-(piperidin-4-yl)methanesulfonamide hydrochlorideC₇H₁₇ClN₂O₂S228.75
2059938-24-62-Cyclohexyl-2-methylazetidine hydrochlorideC₁₀H₂₀ClN189.73
2059938-31-57-Methyl-2H,4H,5H,6H,7H-pyrazolo(4,3-c)pyridine dihydrochlorideC₇H₁₃Cl₂N₃210.11
2059938-34-8(2-Bromo-6-fluoro-3-(trifluoromethyl)phenyl)trimethylsilaneC₁₀H₁₁BrF₄Si315.18
2059938-40-6Methyl 4-formylquinoline-8-carboxylateC₁₂H₉NO₃215.21
2059938-77-95-Bromo-6-chloro-1,2-dihydrospiro[indole-3,4'-oxane]C₁₂H₁₃BrClNO302.60
2059939-60-3Sodium 2-methyl-2-(pyrimidin-4-yl)propanoateC₈H₉N₂NaO₂188.16
2059940-53-13-Chloro-1H,1aH,6H,6aH-cyclopropa(a)indene-1-carboxylic acidC₁₁H₉ClO₂208.64
2059941-40-94-Bromo-1H,1aH,6H,6aH-cyclopropa[a]indene-1-carboxylic acidC₁₁H₉BrO₂253.09
2059941-69-2Sodium 2-(4,6-dimethylpyrimidin-2-yl)acetateC₈H₉N₂NaO₂188.16
2059941-70-53-Amino-thietan-1-one hydrochlorideC₃H₈ClNOS141.62
2059941-74-9Methyl 3-amino-3-methyl-2-phenylbutanoate hydrochlorideC₁₂H₁₈ClNO₂243.73
2059941-79-42-Amino-1-(5-chloro-2-fluorophenyl)ethan-1-one hydrochlorideC₈H₈Cl₂FNO224.06
2059941-86-36-Formylpyridine-2-carboxylic acid hydrochlorideC₇H₆ClNO₃187.58
2059941-89-6Bicyclo(4.1.0)heptan-1-amine hydrochlorideC₇H₁₄ClN147.65
2059941-95-4Potassium 2-(5-methyl-1,3-oxazol-2-yl)acetateC₆H₆KNO₃179.22
2059941-96-54-Bromo-2-(2-methoxyethyl)-2H-1,2,3-triazoleC₅H₈BrN₃O206.04
2059941-99-84-Cyclopropyl-2-(trifluoromethyl)anilineC₁₀H₁₀F₃N201.19
2059942-27-5(3-Bromopyridin-4-yl)methanamine dihydrochlorideC₆H₉BrCl₂N₂259.96
2059942-33-3Ethyl 5-(difluoromethyl)-1-(piperidin-4-yl)-1H-1,2,3-triazole-4-carboxylate hydrochlorideC₁₁H₁₇ClF₂N₄O₂310.73
2059942-41-3tert-Butyl N-(2,3,4,5-tetrahydro-1,4-benzoxazepin-8-yl)carbamateC₁₄H₂₀N₂O₃264.32
2059942-47-9(1,2,3,4-Tetrahydroisoquinolin-5-yl)methanamine dihydrochlorideC₁₀H₁₆Cl₂N₂235.16
2059942-49-12-(5-Bromopyridin-3-yl)-2,2-dimethoxyethan-1-amine dihydrochlorideC₉H₁₅BrCl₂N₂O₂334.04
2059944-58-85-Amino-1,3,3-trimethyl-2,3-dihydro-1H-indol-2-one hydrochlorideC₁₁H₁₅ClN₂O226.71
2059944-94-2(7-Oxabicyclo(2.2.1)heptan-1-yl)methanamineC₇H₁₃NO127.19
2059944-95-35-Thiazolesulfonyl fluoride, 2-methyl-C₄H₄FNO₂S₂181.21
2059945-00-31-Methyl-N4-phenyl-1H-pyrazole-3,4-diamineC₁₀H₁₂N₄188.23
2059947-33-8{2-Bromo-5H,6H,8H-imidazo[2,1-c][1,4]oxazin-3-yl}methanolC₇H₉BrN₂O₂233.06
2059947-46-33-[(1-Oxothiolan-1-ylidene)amino]benzoic acidC₁₁H₁₃NO₃S239.30
2059947-74-7Benzyl 3,4-dioxopiperidine-1-carboxylateC₁₃H₁₃NO₄247.25
2059948-03-51-{[4-(Benzyloxy)phenyl]methyl}piperazine dihydrochlorideC₁₈H₂₄Cl₂N₂O355.31
2059948-31-95-(2-Aminoethyl)pyrimidin-2-ol dihydrochlorideC₆H₁₁Cl₂N₃O212.08
2059948-34-2N-(2-Methylpropyl)-2-(piperazin-1-yl)acetamide dihydrochlorideC₁₀H₂₃Cl₂N₃O272.22
2059948-40-01-((3-Methylphenyl)methyl)pyrrolidin-3-amine dihydrochlorideC₁₂H₂₀Cl₂N₂263.21
2059948-72-82-Methanesulfonylcyclopropane-1,1-dicarboxylic acidC₆H₈O₆S208.19
2059948-79-55-Chloropyrazolo(1,5-a)pyrimidine-3-sulfonyl fluorideC₆H₃ClFN₃O₂S235.63
2059948-83-17-[(tert-Butoxy)carbonyl]-2-(trifluoromethyl)-5H,6H,7H,8H-imidazo[1,2-a]pyrazine-3-carboxylic acidC₁₃H₁₆F₃N₃O₄335.28
2059948-91-14-Amino-2-sulfamoylbenzoic acid hydrochlorideC₇H₉ClN₂O₄S252.68
2059949-12-92-(2-Methyl-1H-imidazol-1-yl)acetohydrazide dihydrochlorideC₆H₁₂Cl₂N₄O227.09
2059949-19-62-(5-(3-(Trifluoromethyl)pyrrolidin-3-yl)-1,2,4-oxadiazol-3-yl)pyridine dihydrochlorideC₁₂H₁₃Cl₂F₃N₄O357.16
2059949-49-23-(Aminomethyl)-6-tert-butyl-1,2-dihydropyridin-2-one hydrochlorideC₁₀H₁₇ClN₂O216.71
2059949-79-8N-((3-Amino-5-fluorophenyl)methyl)-2,2,2-trifluoroacetamideC₉H₈F₄N₂O236.17

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