CAS number index

CAS numbers starting with 21, page 31

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

Showing 3,001 to 3,100 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2138070-07-0(5-Phenylpyrimidin-2-yl)methanamine dihydrochlorideC₁₁H₁₃Cl₂N₃258.15
2138071-47-16,6-Dimethylspiro(3.3)heptane-2-carboxylic acidC₁₀H₁₆O₂168.24
2138071-51-7rac-(1R,2S)-2-Chlorocyclopentan-1-amine hydrochlorideC₅H₁₁Cl₂N156.06
2138072-54-32-Methanesulfonamido-2-methylpropanimidamide, acetic acidC₇H₁₇N₃O₄S239.30
2138072-66-7rac-(3aR,7aR)-2-{[(9H-fluoren-9-yl)methoxy]carbonyl}-octahydropyrano[3,4-c]pyrrole-7a-carboxylic acidC₂₃H₂₃NO₅393.44
2138074-59-4Methyl 6-formyl-1H,3H,4H-pyrrolo[2,1-c][1,4]oxazine-8-carboxylateC₁₀H₁₁NO₄209.20
2138074-61-83-Methyl-8-thiabicyclo(3.2.1)octane-3-carboxylic acidC₉H₁₄O₂S186.28
2138075-65-5(5-(Difluoromethyl)-1-methyl-1H-1,2,3-triazol-4-yl)methanolC₅H₇F₂N₃O163.13
2138075-94-0Methyl 6-aminospiro(2.5)octane-1-carboxylate hydrochlorideC₁₀H₁₈ClNO₂219.71
2138076-13-6(4-Methoxy-1-benzothiophen-7-yl)methanolC₁₀H₁₀O₂S194.25
2138076-27-24-Chloro-N-cyclohexyl-N-methylpyrimidin-2-amineC₁₁H₁₆ClN₃225.72
2138076-54-5rac-(3aR,7aR)-N-methyl-octahydropyrano[3,4-c]pyrrole-7a-carboxamide hydrochlorideC₉H₁₇ClN₂O₂220.70
2138078-96-17-Bromo-4-((tert-butoxy)carbonyl)-2,3,4,5-tetrahydro-1,4-benzoxazepine-9-carboxylic acidC₁₅H₁₈BrNO₅372.21
2138080-67-61-{2,7-Diazaspiro[3.5]nonan-7-yl}ethan-1-one, trifluoroacetic acidC₁₁H₁₇F₃N₂O₃282.26
2138080-85-83-Amino-4-chlorobenzene-1-sulfonamide hydrochlorideC₆H₈Cl₂N₂O₂S243.12
2138083-36-81,1-Difluoro-2-methyl-3-phenylpropan-2-amine hydrochlorideC₁₀H₁₄ClF₂N221.68
2138083-44-81-Bromo-4-(2,2-difluoro-1-methylcyclopropyl)benzeneC₁₀H₉BrF₂247.08
2138083-57-32-(Methoxymethyl)oxane-2-carbaldehydeC₈H₁₄O₃158.20
2138084-16-7Ethyl 2-(2-aminoethyl)-5-methyl-1,3-thiazole-4-carboxylate dihydrobromideC₉H₁₆Br₂N₂O₂S376.11
2138084-26-92-Ethyl-4H,5H,6H,7H-[1,3]thiazolo[5,4-c]pyridine dihydrochlorideC₈H₁₄Cl₂N₂S241.19
2138084-77-01-((tert-Butoxy)carbonyl)-4-propoxypiperidine-4-carboxylic acidC₁₄H₂₅NO₅287.36
2138085-21-72-(5-(Difluoromethyl)-1-methyl-1H-pyrazol-4-yl)acetic acidC₇H₈F₂N₂O₂190.15
2138085-24-05-Formyl-1-methyl-1H-1,2,3-triazole-4-carboxylic acidC₅H₅N₃O₃155.11
2138085-66-0Ethyl 4-formyl-1-(oxan-4-yl)-1H-pyrazole-3-carboxylateC₁₂H₁₆N₂O₄252.27
2138085-96-6rac-(2R,3R)-3-(5-Ethyl-1,3,4-oxadiazol-2-yl)-2-methylpiperidineC₁₀H₁₇N₃O195.27
2138087-27-97-Iodo-octahydro-1-benzofuranC₈H₁₃IO252.09
2138087-47-33-(3-(2-(((tert-Butoxy)carbonyl)amino)ethyl)-3H-diazirin-3-yl)propanoic acidC₁₁H₁₉N₃O₄257.29
2138088-44-31-(2-(3,4-Dichlorophenyl)ethyl)piperazine dihydrochlorideC₁₂H₁₈Cl₄N₂332.10
2138088-92-14-Bromo-1-cyclohexyl-1,2-dihydropyridin-2-oneC₁₁H₁₄BrNO256.14
2138093-21-53-Amino-2,2-difluoropropanamide hydrochlorideC₃H₇ClF₂N₂O160.55
2138093-56-62-(2-Methylpiperazin-1-yl)pyrazine dihydrochlorideC₉H₁₆Cl₂N₄251.16
2138094-74-1tert-Butyl 5-oxo-2,6-diazaspiro(3.5)nonane-2-carboxylateC₁₂H₂₀N₂O₃240.30
2138097-50-2tert-Butyl 4-(2-bromo-1,3-thiazol-4-yl)piperidine-1-carboxylateC₁₃H₁₉BrN₂O₂S347.28
2138098-18-51-Cyano-5,6,7,8-tetrahydroindolizine-3-carboxylic acidC₁₀H₁₀N₂O₂190.20
2138098-59-42-(Piperazin-1-yl)-1,3-thiazole-4-carboxylic acid dihydrochlorideC₈H₁₃Cl₂N₃O₂S286.18
21381-33-9(AlphaS)-alpha-amino-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinepropanoic acidC₇H₉N₃O₄199.17
21381-61-34-(4,5-Dihydro-1H-imidazol-2-yl)pyridineC₈H₉N₃147.18
21381-67-9N-(2-Aminoethyl)-4-methylbenzamideC₁₀H₁₄N₂O178.24
2138100-22-6Lithium(1+) ion 6-chloropyridine-3-sulfinateC₅H₃ClLiNO₂S183.54
2138100-38-41-Methylazetidin-3-ol, oxalic acidC₆H₁₁NO₅177.16
2138100-54-41-Methyl-1,7-diazaspiro[4.5]decane dihydrochlorideC₉H₂₀Cl₂N₂227.18
2138100-60-26-Phenylpyridine-2-carboxylic acid hydrochlorideC₁₂H₁₀ClNO₂235.67
2138101-23-0tert-Butyl N-{3-amino-7-oxaspiro[3.5]nonan-1-yl}carbamateC₁₃H₂₄N₂O₃256.35
2138103-77-08-Methoxy-3-methyl-1,2,3,4-tetrahydronaphthalen-1-amine hydrochlorideC₁₂H₁₈ClNO227.74
2138103-92-9tert-Butyl 3-[5-(chloromethyl)-1,2,4-oxadiazol-3-yl]azetidine-1-carboxylateC₁₁H₁₆ClN₃O₃273.72
2138104-42-22-(4-Chlorothiophen-3-yl)-2,2-difluoroacetic acidC₆H₃ClF₂O₂S212.60
2138104-56-85-Cyclopropylfuran-2-sulfonyl chlorideC₇H₇ClO₃S206.65
2138106-74-65-(1-Methylcyclopropyl)-1,2-oxazole-3-carbaldehydeC₈H₉NO₂151.16
2138106-79-1Methyl 2-(2-aminoethyl)-5-methyl-1,3-thiazole-4-carboxylate dihydrochlorideC₈H₁₄Cl₂N₂O₂S273.19
2138109-95-01-((tert-Butoxy)carbonyl)-1-azaspiro(5.5)undecane-4-carboxylic acidC₁₆H₂₇NO₄297.39
2138111-19-81,1-Dioxo-2H,3H,4H-1lambda6-pyrazolo(1,5-e)(1,2,5)thiadiazine-8-carboxylic acidC₆H₇N₃O₄S217.21
2138112-58-81,1-Bis(bromomethyl)-3,3-dimethylcyclobutaneC₈H₁₄Br₂270.01
2138112-79-33-Methyl-8,8-dioxo-8lambda6-thiabicyclo[3.2.1]octane-3-carboxylic acidC₉H₁₄O₄S218.27
2138112-98-6tert-Butyl 7,7-dichloro-2-oxa-5-azabicyclo[4.1.0]heptane-5-carboxylateC₁₀H₁₅Cl₂NO₃268.14
2138113-13-8Bis(N-methyloxetan-3-amine), oxalic acidC₁₀H₂₀N₂O₆264.28
2138114-42-62-(Piperidin-1-yl)benzaldehyde hydrochlorideC₁₂H₁₆ClNO225.72
2138114-52-82-Hydroxy-6-methoxybenzene-1-sulfonyl fluorideC₇H₇FO₄S206.19
2138114-65-3Methyl 3-(aminomethyl)-5,6,7,8-tetrahydroindolizine-1-carboxylate hydrochlorideC₁₁H₁₇ClN₂O₂244.72
2138115-34-92,2-Difluoro-6-azaspiro[3.4]octan-5-oneC₇H₉F₂NO161.15
2138115-73-62-(Chloromethyl)-4-methyl-1H-imidazole hydrochlorideC₅H₈Cl₂N₂167.04
2138116-07-9(Pyrrolidin-3-yl)methanesulfonamide hydrochlorideC₅H₁₃ClN₂O₂S200.69
2138116-14-84-Methoxynaphthalen-2-amine hydrochlorideC₁₁H₁₂ClNO209.68
2138116-42-23-Bromo-4-(((tert-butoxy)carbonyl)amino)-5-nitrobenzoic acidC₁₂H₁₃BrN₂O₆361.15
2138117-00-53,4-Difluoro-5-phenylanilineC₁₂H₉F₂N205.21
2138117-07-22-Cyclohexylazetidine hydrochlorideC₉H₁₈ClN175.70
2138117-50-53-(3-Bromo-5-fluoropyridin-4-yl)propanoic acidC₈H₇BrFNO₂248.05
2138117-78-7[2-Methyl-4-(1H-pyrazol-1-yl)phenyl]methanamine dihydrochlorideC₁₁H₁₅Cl₂N₃260.17
2138117-88-9Sodium 2-(4-bromo-6-methylpyridin-2-yl)acetateC₈H₇BrNNaO₂252.04
2138118-42-83-(4-(4-Chlorophenyl)-1,3-thiazol-2-yl)aniline hydrochlorideC₁₅H₁₂Cl₂N₂S323.25
2138119-00-1(3,5-Dichlorophenyl)(phenyl)methanamine hydrochlorideC₁₃H₁₂Cl₃N288.61
2138119-41-0(1-(Oxan-4-yl)ethyl)hydrazine dihydrochlorideC₇H₁₈Cl₂N₂O217.14
2138120-04-23-Oxoazetidine-1-carbonyl chlorideC₄H₄ClNO₂133.53
2138122-16-2tert-Butyl 3-iodo-2-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylateC₁₂H₁₈IN₃O₂363.20
2138125-71-86-(Iodomethyl)-hexahydrofuro(3,4-b)furanC₇H₁₁IO₂254.07
2138125-91-2tert-Butyl 4-oxo-2-azaspiro[5.5]undecane-2-carboxylateC₁₅H₂₅NO₃267.37
2138126-09-53-Methanesulfinylcyclohexan-1-olC₇H₁₄O₂S162.25
2138127-03-2Acetic acid, tert-butyl 3-carbamimidoylpiperidine-1-carboxylateC₁₃H₂₅N₃O₄287.36
2138127-67-83-{2H,4H,6H,7H-Pyrano[4,3-c]pyrazol-3-yl}anilineC₁₂H₁₃N₃O215.26
2138128-04-6Cyclopropyl(1,4-dioxan-2-yl)methanamine hydrochlorideC₈H₁₆ClNO₂193.67
2138128-08-03-[7-Chloro-2-(4-fluorophenyl)-1H-indol-3-yl]propanoic acidC₁₇H₁₃ClFNO₂317.75
2138128-96-6Octahydrocyclopenta[b]pyrrol-6-ol hydrochlorideC₇H₁₄ClNO163.65
2138129-71-08-Amino-5lambda6-thiaspiro(3.5)nonane-5,5-dione hydrochlorideC₈H₁₆ClNO₂S225.74
2138131-80-1Methyl 2-amino-2-(3-bromophenyl)propanoate hydrochlorideC₁₀H₁₃BrClNO₂294.58
2138132-27-91-{1-[(tert-Butoxy)carbonyl]azetidin-3-yl}-5-oxopyrrolidine-3-carboxylic acidC₁₃H₂₀N₂O₅284.31
2138132-33-77-Chloro-2-{[(9H-fluoren-9-yl)methoxy]carbonyl}-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acidC₂₅H₂₀ClNO₄433.89
2138132-55-31-(4-Fluorophenyl)-1H-1,2,3-triazole-4-sulfonyl fluorideC₈H₅F₂N₃O₂S245.21
2138133-16-9Methyl[(pyrrolidin-2-yl)methyl]amine dihydrochlorideC₆H₁₆Cl₂N₂187.11
2138134-18-44-Propyl-1H-pyrrolo(2,3-b)pyridin-5-amineC₁₀H₁₃N₃175.24
2138135-57-43-Cyano-4-fluorobenzene-1-sulfonyl fluorideC₇H₃F₂NO₂S203.17
2138136-21-5Methyl 3-amino-2-(methylamino)benzoate hydrochlorideC₉H₁₃ClN₂O₂216.67
2138136-32-8N1-(2,2,2-trifluoroethyl)cyclobutane-1,3-diamine dihydrochlorideC₆H₁₃Cl₂F₃N₂241.08
2138138-02-82-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)azetidin-2-yl)acetic acidC₂₀H₁₉NO₄337.38
2138138-85-72-Amino-3-(methoxycarbonyl)-5H,6H,7H,8H-imidazo(1,2-a)pyridine-6-carboxylic acidC₁₀H₁₃N₃O₄239.23
2138139-10-16-Bromo-3-methoxy-2-methylquinolineC₁₁H₁₀BrNO252.11
213814-61-0N-Benzyl-3-bromoanilineC₁₃H₁₂BrN262.15
2138140-57-32-({[(tert-Butoxy)carbonyl]amino}methyl)bicyclo[2.2.2]octane-2-carboxylic acidC₁₅H₂₅NO₄283.37
2138142-25-12-Cyclopentylcyclopropan-1-amine hydrochlorideC₈H₁₆ClN161.68
2138143-00-5tert-Butyl 3-(5-amino-1H-pyrazol-1-yl)piperidine-1-carboxylateC₁₃H₂₂N₄O₂266.35
2138144-26-82-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)ethyl)-1,3-thiazole-5-carboxylic acidC₂₁H₁₈N₂O₄S394.45
2138145-29-41-(Prop-2-yn-1-yl)cyclohexan-1-amine hydrochlorideC₉H₁₆ClN173.69

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