CAS number index

CAS numbers starting with 21, page 36

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

Showing 3,501 to 3,600 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2138525-51-42-Ethyl-2-methylcyclopropan-1-amine hydrochlorideC₆H₁₄ClN135.64
2138525-93-45-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-azaspiro[2.4]heptane-7-carboxylic acidC₂₂H₂₁NO₄363.41
2138526-02-81-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azepane-3-carboxylic acidC₂₂H₂₃NO₄365.43
2138526-11-92-Chloro-5-(2-ethoxy-1,1,2,2-tetrafluoroethyl)pyridineC₉H₈ClF₄NO257.61
2138527-17-82-Amino-2-{bicyclo[2.2.1]heptan-2-yl}propanoic acid hydrochlorideC₁₀H₁₈ClNO₂219.71
2138528-35-3Sodium 5-tert-butyl-4H-1,2,4-triazole-3-carboxylateC₇H₁₀N₃NaO₂191.17
2138529-05-0Lithium(1+) ion 2-hydroxy-2-(oxetan-3-yl)acetateC₅H₇LiO₄138.05
2138530-73-94-(2-Oxoethyl)oxane-4-carbonitrileC₈H₁₁NO₂153.18
2138531-01-61-(5-Bromopyridin-2-yl)cyclobutane-1-carboxylic acid hydrochlorideC₁₀H₁₁BrClNO₂292.56
2138531-08-32-{[(3-Bromophenyl)methyl][(tert-butoxy)carbonyl]amino}acetic acidC₁₄H₁₈BrNO₄344.20
2138533-21-6Sodium 3-cyclopropyl-1H-1,2,4-triazole-5-carboxylateC₆H₆N₃NaO₂175.12
2138533-60-3tert-Butyl N-[(4-amino-1-methylcyclohexyl)methyl]carbamateC₁₃H₂₆N₂O₂242.36
2138533-82-9[5-(Methoxymethyl)-1,2,4-oxadiazol-3-yl]methanamine hydrochlorideC₅H₁₀ClN₃O₂179.61
2138534-02-6N-(But-3-yn-1-yl)oxan-4-amine hydrochlorideC₉H₁₆ClNO189.69
2138534-69-51-[5-(Difluoromethyl)-1,2-oxazol-3-yl]ethan-1-oneC₆H₅F₂NO₂161.11
2138534-73-16-Hydroxyspiro[4.5]decan-8-oneC₁₀H₁₆O₂168.24
2138535-24-56-Azaspiro[3.6]decane hydrochlorideC₉H₁₈ClN175.70
2138537-66-11-(1-Methyl-1H-1,2,3,4-tetrazol-5-yl)ethan-1-amine hydrochlorideC₄H₁₀ClN₅163.61
2138539-37-28-Hydroxy-1,7-naphthyridine-5-carboxylic acid hydrochlorideC₉H₇ClN₂O₃226.62
2138539-43-03-Methanesulfonylcyclopentan-1-amine hydrochlorideC₆H₁₄ClNO₂S199.70
2138539-83-84-Iodo-3,5-dimethoxy-1,2-thiazoleC₅H₆INO₂S271.08
2138544-73-53-(1,2,2,2-Tetrafluoroethyl)aniline hydrochlorideC₈H₈ClF₄N229.60
2138545-43-24-(2-Aminoethoxy)-1lambda6-thiane-1,1-dione hydrochlorideC₇H₁₆ClNO₃S229.73
2138545-79-44-(4-Bromophenyl)-4-{[(tert-butoxy)carbonyl]amino}butanoic acidC₁₅H₂₀BrNO₄358.23
2138546-89-96H,7H-(1,3)Thiazolo(4,5-d)pyridazin-7-oneC₅H₃N₃OS153.17
2138548-41-94-(1-Ethylcyclopropyl)benzoic acidC₁₂H₁₄O₂190.24
2138549-03-63-Bromo-5,6,7,8-tetrahydro-1,6-naphthyridin-4-ol hydrochlorideC₈H₁₀BrClN₂O265.54
2138549-08-12-Methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine hydrochlorideC₇H₁₂ClN₃173.65
2138550-08-8(4-Fluoro-1,3-benzoxazol-2-yl)methanamine, trifluoroacetic acidC₁₀H₈F₄N₂O₃280.18
2138550-57-73-(1,2-Oxazol-3-yl)piperidine hydrochlorideC₈H₁₃ClN₂O188.66
2138551-02-5rac-(3R,4S)-4-(4-Bromo-1H-pyrazol-1-yl)oxolan-3-amine hydrochlorideC₇H₁₁BrClN₃O268.54
2138554-98-8rac-(1R,6R,7R)-2-Oxabicyclo(4.1.0)heptan-7-amine hydrochlorideC₆H₁₂ClNO149.62
2138555-23-24-(Chloromethyl)-5-(difluoromethyl)-1-methyl-1H-1,2,3-triazoleC₅H₆ClF₂N₃181.57
2138555-60-7(4-Bromo-2-cyclobutyl-1H-imidazol-5-yl)methanolC₈H₁₁BrN₂O231.09
2138559-95-0(2-(3,5-Dimethylphenoxy)ethyl)(methyl)amine hydrochlorideC₁₁H₁₈ClNO215.72
2138560-52-64-Chloro-N,6-dimethyl-N-(propan-2-yl)pyrimidin-2-amineC₉H₁₄ClN₃199.69
2138560-61-7Ethyl 6-chloro-2-[(prop-2-yn-1-yl)amino]pyridine-3-carboxylateC₁₁H₁₁ClN₂O₂238.67
2138561-87-0tert-Butyl 3-cyano-3-(2-oxoethyl)pyrrolidine-1-carboxylateC₁₂H₁₈N₂O₃238.29
2138562-21-55-(Iodomethyl)-4,4-dimethylpyrrolidin-2-oneC₇H₁₂INO253.08
2138562-86-23-Chloro-6-methyl-4-(1,3-thiazol-2-yl)pyridazineC₈H₆ClN₃S211.68
2138563-45-63-Methyl-5H,6H,7H,8H-imidazo(1,5-a)pyridine-1-carboxylic acid hydrochlorideC₉H₁₃ClN₂O₂216.67
2138564-58-4rac-[(1R,5S)-5-(Trifluoromethyl)-3-azabicyclo[3.1.0]hexan-1-yl]methanol hydrochlorideC₇H₁₁ClF₃NO217.62
2138564-74-48-Cyano-6-azaspiro[3.4]octane-2-carboxylic acid hydrochlorideC₉H₁₃ClN₂O₂216.67
2138565-28-14,5,6,7-Tetrahydro-1H-indazole-7-carboxylic acid hydrochlorideC₈H₁₁ClN₂O₂202.64
2138565-42-9rac-(1R,7R,8S)-2-Azabicyclo(5.1.0)octan-8-amineC₇H₁₄N₂126.20
2138565-56-51-({[(tert-Butoxy)carbonyl]amino}methyl)spiro[2.3]hexane-1-carboxylic acidC₁₃H₂₁NO₄255.31
2138565-75-83-(Pyridin-2-yl)azetidine-3-carbonitrile dihydrochlorideC₉H₁₁Cl₂N₃232.11
2138566-01-33-Amino-2-cyclopropylpropan-1-ol hydrochlorideC₆H₁₄ClNO151.64
2138566-81-9Ethyl 5-bromo-4-(chlorosulfonyl)-2-methylbenzoateC₁₀H₁₀BrClO₄S341.61
2138566-89-7tert-Butyl 2-(aminomethyl)-1,3-thiazole-5-carboxylateC₉H₁₄N₂O₂S214.29
2138568-22-42-(4-Chloro-3-methoxy-1,2-thiazol-5-yl)acetic acidC₆H₆ClNO₃S207.64
2138569-78-3Ethyl 3-bromo-5H,6H,7H,8H-imidazo[1,2-a]pyridine-2-carboxylateC₁₀H₁₃BrN₂O₂273.13
2138570-31-54-{1H,4H,6H,7H-Pyrano[4,3-c]pyrazol-3-yl}anilineC₁₂H₁₃N₃O215.26
2138570-92-84-(Pyridin-3-yl)phenol hydrochlorideC₁₁H₁₀ClNO207.66
2138571-44-34-(Piperidin-4-yl)benzene-1-sulfonamide hydrochlorideC₁₁H₁₇ClN₂O₂S276.79
2138572-69-5tert-Butyl 4-{1H,4H,5H,6H-cyclopenta[c]pyrazol-3-yl}piperidine-1-carboxylateC₁₆H₂₅N₃O₂291.39
2138572-93-53-(4-Bromophenyl)-1-((tert-butoxy)carbonyl)pyrrolidine-3-carboxylic acidC₁₆H₂₀BrNO₄370.24
2138572-96-83H,5H,6H,7H,8H-2Lambda6-pyrido(4,3-c)(1,2,6)thiadiazine-2,2-dione hydrochlorideC₆H₁₀ClN₃O₂S223.69
2138573-30-32-(8-Methylimidazo(1,2-a)pyridin-3-yl)acetic acid hydrochlorideC₁₀H₁₁ClN₂O₂226.66
2138573-41-6Methyl 1-(azepan-4-yl)-1H-1,2,3-triazole-4-carboxylate hydrochlorideC₁₀H₁₇ClN₄O₂260.73
2138573-84-74-Formyl-1-methyl-1H-pyrazole-5-sulfonyl chlorideC₅H₅ClN₂O₃S208.63
2138576-52-8tert-Butyl N-(4-(3H,4H,5H,6H,7H-imidazo(4,5-c)pyridin-2-yl)phenyl)carbamateC₁₇H₂₂N₄O₂314.39
2138586-43-11,3,3-Trimethylcyclobutan-1-amine hydrochlorideC₇H₁₆ClN149.66
21386-32-32-((4-Nitrophenyl)sulfonyl)ethanolC₈H₉NO₅S231.23
21386-43-63,5-DibromosalicylaldoximeC₇H₅Br₂NO₂294.93
21386-66-32,2'-Azanediyldi(~2~H_2_)acetic acidC₄H₇NO₄137.13
2138754-47-72-(((tert-Butoxy)carbonyl)amino)-3-(2-oxabicyclo(2.1.1)hexan-1-yl)propanoic acidC₁₃H₂₁NO₅271.31
21388-17-02-Ethyl-6-methoxynaphthaleneC₁₃H₁₄O186.25
21388-25-0Methyl 2-methyl-3-(methylamino)propanoateC₆H₁₃NO₂131.18
21388-65-82-Propanol-2-13CC₃H₈O61.09
2138805-68-0Methyl 5-(N'-hydroxycarbamimidoyl)furan-3-carboxylateC₇H₈N₂O₄184.15
2138806-71-8tert-Butyl 4-(but-2-enoyl)piperidine-1-carboxylateC₁₄H₂₃NO₃253.34
2138811-33-1Dehydroamlodipine fumarateC₂₄H₂₇ClN₂O₉522.94
2138816-85-8[(4Z)-Cyclooct-4-en-1-yl]methanamine hydrochlorideC₉H₁₈ClN175.70
2138823-67-1Potassium 1-cyano-3,3,3-trifluoroprop-1-en-2-olateC₄HF₃KNO175.15
2138824-00-5tert-Butyl 4-(2-bromoethenyl)piperidine-1-carboxylateC₁₂H₂₀BrNO₂290.20
2138834-91-8N'-Hydroxy-5-(trifluoromethyl)furan-2-carboximidamideC₆H₅F₃N₂O₂194.11
2138861-99-9N-Ethyl-4-(2-(4-fluoro-2,6-dimethylphenoxy)-5-(1-hydroxy-1-methylethyl)phenyl)-6,7-dihydro-6-methyl-7-oxo-1H-pyrrolo(2,3-c)pyridine-2-carboxamideC₂₈H₃₀FN₃O₄491.56
213894-66-76-Chloro-2-(2-fluorophenyl)-4H-chromen-4-oneC₁₅H₈ClFO₂274.68
213894-67-86-Bromo-2-(2-fluorophenyl)chromen-4-oneC₁₅H₈BrFO₂319.13
213894-72-56-Chloro-2-(3-fluorophenyl)-4H-chromen-4-oneC₁₅H₈ClFO₂274.68
2139-03-91-Pyrroline-2-carboxylic acidC₅H₇NO₂113.12
2139-25-51-Piperidineethanol, alpha-(5-phenyl-3-isoxazolyl)-, 2-hydroxy-1,2,3-propanetricarboxylate (2:1)C₂₂H₂₈N₂O₉464.47
2139-43-7RefChem:357170C₁₀H₉BrO₄273.08
2139-44-82,2'-[1,4-Phenylenebis(oxy)]bis[tetrahydro-2H-pyran]C₁₆H₂₂O₄278.35
2139-47-1NifenazoneC₁₇H₁₆N₄O₂308.34
213905-35-21-Acetoxy-9,17-octadecadiene-12,14-diyne-11,16-diolC₂₀H₂₈O₄332.44
21391-98-0PhellandralC₁₀H₁₆O152.24
213911-09-25-(4-Chlorophenyl)-N-(1,3-thiazol-2-yl)furan-2-carboxamideC₁₄H₉ClN₂O₂S304.76
213911-41-2Ambiguine G nitrileC₂₆H₂₇ClN₂402.97
2139143-52-3tert-Butyl N-[2-amino-1-(oxan-2-yl)ethyl]carbamateC₁₂H₂₄N₂O₃244.34
21392-48-37-Hydroxy-8-methyl-4-phenyl-2H-chromen-2-oneC₁₆H₁₂O₃252.27
21392-51-82-Amino-3-cyano-4,5-dimethylpyrroleC₇H₉N₃135.17
21392-57-45,7-DimethoxyflavoneC₁₇H₁₄O₄282.30
2139224-57-8rac-tert-Butyl (3R,4R)-3-acetyl-4-(trifluoromethyl)pyrrolidine-1-carboxylateC₁₂H₁₈F₃NO₃281.27
213924-62-0(1-Amino-2,3-dihydro-1H-inden-1-yl)methanolC₁₀H₁₃NO163.22
2139294-75-8Methyl 7-azaspiro(3.5)nonane-2-carboxylate hydrochlorideC₁₀H₁₈ClNO₂219.71
21393-64-6Manganese protoporphyrin IXC₃₄H₃₂MnN₄O₄615.59
2139383-47-21-(2,5-Dioxopyrrolidin-1-yl) 12-methyl dodecanedioateC₁₇H₂₇NO₆341.40
21394-50-3N-(1-Oxooctyl)-DL-methionineC₁₃H₂₅NO₃S275.41

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