CAS number index

CAS numbers starting with 21, page 35

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

Showing 3,401 to 3,500 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2138395-17-01,3-Di-tert-butyl 3-(aminomethyl)azetidine-1,3-dicarboxylateC₁₄H₂₆N₂O₄286.37
2138395-97-64-[(Trifluoromethoxy)methyl]piperidine hydrochlorideC₇H₁₃ClF₃NO219.63
2138396-48-02-(4-Methanesulfonyl-1H-pyrazol-1-yl)propanoic acidC₇H₁₀N₂O₄S218.23
2138398-65-78-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-5,6,7,8-tetrahydronaphthalene-2-carboxylic acidC₂₇H₂₅NO₄427.50
2138399-93-42-Fluoro-4-(fluorosulfonyl)benzoic acidC₇H₄F₂O₄S222.17
21384-42-9(2-Methylaziridin-1-yl)(o-tolyl)methanoneC₁₁H₁₃NO175.23
21384-44-1Aziridine, 2-methyl-1-(p-toluoyl)-C₁₁H₁₃NO175.23
2138403-61-73-Bromo-5-(3-oxomorpholin-4-yl)benzoic acidC₁₁H₁₀BrNO₄300.11
2138403-88-85-Bromo-7-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyridineC₇H₃BrF₃N₃266.02
2138407-98-22-Cyclohexylethane-1-sulfonyl fluorideC₈H₁₅FO₂S194.27
2138408-19-0tert-Butyl N-(5-amino-1-methyl-1H-pyrazol-3-yl)carbamateC₉H₁₆N₄O₂212.25
2138408-82-72-Chloro-4-methyl-1,3-thiazole-5-sulfonyl fluorideC₄H₃ClFNO₂S₂215.66
2138409-38-6(7-Bromoheptyl)cyclopropaneC₁₀H₁₉Br219.17
2138409-62-64-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4H,5H,6H,7H-pyrazolo[1,5-a]pyridine-2-carboxylic acidC₂₃H₂₁N₃O₄403.44
2138409-80-8Methyl 8-formyl-3,4-dihydro-2H-1-benzopyran-6-carboxylateC₁₂H₁₂O₄220.22
2138410-13-4CyclobutanesulfinamideC₄H₉NOS119.19
2138410-16-72-Chloro-5-sulfamoylfuran-3-carboxylic acidC₅H₄ClNO₅S225.61
2138410-19-0rac-(1R,3aS,7aS)-hexahydro-1H-furo(3,4-c)pyran-1-carboxylic acidC₈H₁₂O₄172.18
2138410-48-52-(Aminosulfinyl)ethyl acetateC₄H₉NO₃S151.19
2138410-73-6rac-2-[(3aR,6aR)-octahydrocyclopenta[c]pyrrol-3a-yl]-5-ethyl-1,3,4-oxadiazoleC₁₁H₁₇N₃O207.28
2138410-95-22-(Propan-2-yl)pyrazolo(1,5-a)pyrimidineC₉H₁₁N₃161.21
2138411-43-32-(Pyrrolidin-3-yl)pyridine dihydrochlorideC₉H₁₄Cl₂N₂221.13
2138411-53-5Ethyl 4-chloro-3,3-difluorobutanoateC₆H₉ClF₂O₂186.59
2138413-45-12-(1-Aminoethyl)-5-methyl-1,3-thiazole-4-carboxylic acid hydrochlorideC₇H₁₁ClN₂O₂S222.70
2138414-33-04-Amino-3-(2-methylpropyl)benzoic acidC₁₁H₁₅NO₂193.25
2138419-65-3rac-(2R,4R)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxane-2-carboxylic acidC₂₁H₂₁NO₅367.40
2138420-08-14-(1H-Pyrazol-1-yl)oxolan-3-oneC₇H₈N₂O₂152.15
2138420-12-7tert-Butyl N-(2-fluoro-5-methoxypyridin-4-yl)carbamateC₁₁H₁₅FN₂O₃242.25
2138420-18-33-{[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)propyl]sulfanyl}propanoic acidC₂₁H₂₃NO₄S385.49
2138422-21-4tert-Butyl 5-oxa-2,9-diazaspiro(3.5)nonane-2-carboxylateC₁₁H₂₀N₂O₃228.29
2138422-32-7(1-(Oxolan-2-yl)cyclobutyl)methanamineC₉H₁₇NO155.24
2138422-71-4rac-tert-Butyl N-[(1R,3S)-3-(sulfamoylmethyl)cyclopentyl]carbamateC₁₁H₂₂N₂O₄S278.37
2138422-97-4(3-Bromo-2,4-dimethylphenyl)methanamine hydrochlorideC₉H₁₃BrClN250.57
2138423-39-74-(Bromomethyl)-1-methyl-2-oxabicyclo[2.1.1]hexaneC₇H₁₁BrO191.07
2138423-46-66-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5,6,7,8-tetrahydro-1,6-naphthyridine-4-carboxylic acidC₂₄H₂₀N₂O₄400.43
2138423-49-9rac-(3R,4R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-(1-methyl-1H-imidazol-4-yl)pyrrolidine-3-carboxylic acidC₂₄H₂₃N₃O₄417.46
2138423-88-6tert-Butyl 6-amino-5-cyano-1,2,3,4-tetrahydro-2,7-naphthyridine-2-carboxylateC₁₄H₁₈N₄O₂274.32
2138424-47-04-(2-Bromoethoxy)-1lambda6-thiane-1,1-dioneC₇H₁₃BrO₃S257.15
2138424-73-25-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-3-carboxylic acidC₂₂H₁₉N₃O₄389.41
2138424-91-43-(Methylsulfanyl)cyclobutan-1-amine hydrochlorideC₅H₁₂ClNS153.68
2138425-37-12-Chloro-6-hydroxybenzene-1-sulfonyl fluorideC₆H₄ClFO₃S210.61
2138425-54-21-(Azetidin-3-yl)-5-iodo-1H-1,2,3-triazole dihydrochlorideC₅H₉Cl₂IN₄322.96
2138425-61-13-(1-Aminoethyl)-1-methyl-1H-pyrazol-4-ol dihydrochlorideC₆H₁₃Cl₂N₃O214.10
2138426-58-92-Cyclopropyl-3-fluorobenzaldehydeC₁₀H₉FO164.18
2138426-62-53-(Azidomethyl)azepane hydrochlorideC₇H₁₅ClN₄190.68
2138426-63-6Lithium(1+) ion 5-benzyl-1,2,4-oxadiazole-3-carboxylateC₁₀H₇LiN₂O₃210.12
2138426-76-16-Bromoquinoline-8-sulfonyl fluorideC₉H₅BrFNO₂S290.11
2138426-84-1tert-Butyl N-{1-[6-(aminomethyl)pyridin-2-yl]pyrrolidin-3-yl}carbamateC₁₅H₂₄N₄O₂292.38
2138426-93-25-Chloro-4-sulfamoylfuran-2-carboxylic acidC₅H₄ClNO₅S225.61
2138427-08-23-Fluoro-3,4-dihydro-2H-1-benzopyran-4-amine hydrochlorideC₉H₁₁ClFNO203.64
2138427-27-52-{1,1-Dioxo-hexahydro-2H-1lambda6-thieno[2,3-c]pyrrol-3-yl}acetic acid hydrochlorideC₈H₁₄ClNO₄S255.72
2138427-54-8Oxetan-3-yl 2,2,2-trifluoroethyl carbonateC₆H₇F₃O₄200.11
2138427-63-9tert-Butyl 3-(1,2,3,4-tetrahydroquinolin-3-yl)propanoateC₁₆H₂₃NO₂261.37
2138428-38-1tert-Butyl 4,5-dihydro-3H-spiro[1,4-benzoxazepine-2,4'-piperidine]-1'-carboxylateC₁₈H₂₆N₂O₃318.42
2138429-02-24,5,6,7-Tetrahydro-1-benzofuran-2-sulfonyl fluorideC₈H₉FO₃S204.22
2138429-76-0rac-(1R,2R)-2-(Fluoromethyl)cyclopentane-1-carboxylic acidC₇H₁₁FO₂146.16
2138429-90-83-Amino-2-cyclobutylpropanoic acid hydrochlorideC₇H₁₄ClNO₂179.65
2138430-31-4Methyl 2-chloro-5-(chlorosulfonyl)furan-3-carboxylateC₆H₄Cl₂O₅S259.07
2138434-68-93-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-(2-fluorophenyl)butanoic acidC₂₅H₂₂FNO₄419.45
2138434-84-93-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-((4-fluoro-2-methylphenyl)methyl)propanoic acidC₂₆H₂₄FNO₄433.48
2138437-16-6rac-(3aR,6aS)-2,2-dioxo-hexahydro-1H-2lambda6-thieno[3,4-c]pyrrole-3a-carboxylic acid hydrochlorideC₇H₁₂ClNO₄S241.70
2138438-15-8(1-Azabicyclo(2.2.1)heptan-4-yl)methanol hydrochlorideC₇H₁₄ClNO163.65
2138440-82-93-(2-(2-(2-((2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)amino)ethoxy)ethoxy)ethoxy)propanoic acidC₂₂H₂₇N₃O₉477.47
2138473-38-6(2~{S},3~{S})-2-(fluoranylmethyl)-~{N}7-methyl-~{N}5-[(1~{R},5~{S})-3-oxabicyclo[3.1.0]hexan-6-yl]-3-phenyl-2,3-dihydro-1-benzofuran-5,7-dicarboxamideC₂₃H₂₃FN₂O₄410.44
2138498-18-5Diabzi sting agonist-1C₄₂H₅₁N₁₃O₇849.95
2138507-43-22-[1-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)propyl]-1H-imidazole-4-carboxylic acidC₂₂H₂₁N₃O₄391.43
2138507-49-8rac-(3aR,7aR)-2-(((9H-fluoren-9-yl)methoxy)carbonyl)-octahydro-1H-isoindole-3a-carboxylic acidC₂₄H₂₅NO₄391.47
2138507-91-01-Cyclobutylpropan-1-amine hydrochlorideC₇H₁₆ClN149.66
2138509-39-29-Methoxy-2,3,4,5-tetrahydro-1,4-benzoxazepine hydrochlorideC₁₀H₁₄ClNO₂215.68
2138509-52-9N-Methylthietan-3-amine hydrochlorideC₄H₁₀ClNS139.65
2138510-36-65-Bromo-3-[(tert-butoxy)carbonyl]pyridine-2-carboxylic acidC₁₁H₁₂BrNO₄302.12
2138510-37-7tert-Butyl 1-bromo-6-azaspiro[2.5]octane-6-carboxylateC₁₂H₂₀BrNO₂290.20
2138510-43-51-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-(prop-2-yn-1-yl)pyrrolidine-2-carboxylic acidC₂₃H₂₁NO₄375.42
2138511-20-1(1-Oxaspiro[4.6]undecan-2-yl)methanamine hydrochlorideC₁₁H₂₂ClNO219.76
2138511-21-22-(Thiophen-3-yl)oxolane-2-carboxylic acidC₉H₁₀O₃S198.24
2138512-09-92-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidin-4-yl)-1,3-thiazole-4-carboxylic acidC₂₄H₂₂N₂O₄S434.52
2138513-86-53-Cycloheptylazetidine hydrochlorideC₁₀H₂₀ClN189.73
2138513-97-8Methyl 1-(2-aminoethyl)piperidine-4-carboxylate dihydrochlorideC₉H₂₀Cl₂N₂O₂259.18
2138514-03-92-(4-(1-(((9H-Fluoren-9-ylmethoxy)carbonyl)amino)ethyl)-2-methoxyphenoxy)acetic acidC₂₆H₂₅NO₆447.49
2138514-80-22-(1,5-Dimethyl-1H-pyrazol-4-yl)oxolane-2-carboxylic acidC₁₀H₁₄N₂O₃210.23
2138514-92-62-({1-[(tert-Butoxy)carbonyl]piperidin-3-yl}({[(9H-fluoren-9-yl)methoxy]carbonyl})amino)acetic acidC₂₇H₃₂N₂O₆480.56
2138514-95-94-(((9H-Fluoren-9-yl)methoxy)carbonyl)thiomorpholine-2-carboxylic acid 1,1-dioxideC₂₀H₁₉NO₆S401.44
2138514-98-22-((1-((tert-Butoxy)carbonyl)pyrrolidin-3-yl)((((9H-fluoren-9-yl)methoxy)carbonyl))amino)acetic acidC₂₆H₃₀N₂O₆466.53
2138517-32-3Sodium 5-bromo-4-methyl-1,3-thiazole-2-carboxylateC₅H₃BrNNaO₂S244.04
2138518-10-0rac-(1R,2S)-2-Cyclopropylcyclopentane-1-carboxylic acidC₉H₁₄O₂154.21
2138518-24-61-(6-Ethoxypyridin-2-yl)piperidin-4-amine dihydrochlorideC₁₂H₂₁Cl₂N₃O294.23
2138518-26-8(4-(2H-1,2,3,4-Tetrazol-5-yl)-1,3-thiazol-2-yl)methanamine dihydrochlorideC₅H₈Cl₂N₆S255.13
2138518-29-13-Amino-4-chloro-5-methoxybenzoic acid hydrochlorideC₈H₉Cl₂NO₃238.07
2138518-30-41-(4-Bromo-1-methyl-1H-1,2,3-triazol-5-yl)methanamine hydrochlorideC₄H₈BrClN₄227.49
2138518-91-72-((1-Methylcyclopentyl)oxy)ethan-1-amineC₈H₁₇NO143.23
2138518-99-52-(Oxolan-3-yl)azetidine hydrochlorideC₇H₁₄ClNO163.65
2138519-03-4rac-[(1R,2S)-2-Benzylcyclopropyl]methanamine hydrochlorideC₁₁H₁₆ClN197.71
2138519-32-91-(4-(4-Fluorophenoxy)phenyl)ethan-1-amine hydrochlorideC₁₄H₁₅ClFNO267.73
2138521-86-31-(Ethoxycarbonyl)spiro(2.3)hexane-5-carboxylic acidC₁₀H₁₄O₄198.22
2138522-51-54-(Dimethylphosphoryl)benzaldehydeC₉H₁₁O₂P182.16
2138522-64-03-(Aminomethyl)-1lambda6,2-thiazolidine-1,1-dione hydrochlorideC₄H₁₁ClN₂O₂S186.66
2138522-74-2rac-(4R,6S)-4,6-Dimethyl-4H,6H,7H-pyrano(4,3-d)(1,3)thiazol-2-amineC₈H₁₂N₂OS184.26
2138522-82-25,6-Difluoro-1,2,3,4-tetrahydroisoquinoline hydrochlorideC₉H₁₀ClF₂N205.63
2138523-42-7Lithium(1+) imidazo(1,2-a)pyrazine-2-carboxylateC₇H₄LiN₃O₂169.07
2138525-32-12-Amino-3-(1,3-thiazol-2-yl)propan-1-ol dihydrochlorideC₆H₁₂Cl₂N₂OS231.15

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