CAS number index

CAS numbers starting with 21, page 25

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

Showing 2,401 to 2,500 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2137578-28-85-Bromo-2-cyclopropyl-4-methylpyridine hydrochlorideC₉H₁₁BrClN248.55
2137578-36-8rac-(1R,2S)-2-(4-Bromo-1H-pyrazol-1-yl)cyclopentan-1-amine hydrochlorideC₈H₁₃BrClN₃266.57
2137578-42-6rac-(1R,6S,7S)-3-(((9H-Fluoren-9-yl)methoxy)carbonyl)-3-azabicyclo(4.1.0)heptane-7-carboxylic acidC₂₂H₂₁NO₄363.41
2137578-44-81-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azepan-4-yl)-1H-1,2,3-triazole-4-carboxylic acidC₂₄H₂₄N₄O₄432.48
2137579-11-23-(4H-1,2,4-Triazol-4-yl)cyclobutan-1-amine dihydrochlorideC₆H₁₂Cl₂N₄211.10
2137579-32-7Methyl 3-(3-methyl-1,2-oxazol-5-yl)prop-2-ynoateC₈H₇NO₃165.15
2137579-91-85-Oxa-9-azaspiro(3.5)nonaneC₇H₁₃NO127.19
2137580-02-84-{[(4-Chlorophenyl)methyl][(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanoic acidC₂₆H₂₄ClNO₄449.93
2137580-42-62-(2-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-6-oxa-2-azaspiro[3.4]octan-7-yl)acetic acidC₂₃H₂₃NO₅393.44
2137581-34-98-tert-Butyl 4-methyl 2,8-diazaspiro(4.5)decane-4,8-dicarboxylateC₁₅H₂₆N₂O₄298.38
2137581-36-1Rel-2-((1S,2S)-2-benzylcyclopropyl)ethan-1-amineC₁₂H₁₇N175.28
2137581-76-92,5-Bis(propan-2-yl)-1H-pyrrole-3-carboxylic acidC₁₁H₁₇NO₂195.26
2137582-87-5Lithium 2-(2-methyl-2H-1,2,3-triazol-4-yl)acetateC₅H₆LiN₃O₂147.06
2137584-70-21-Imino-3,4-dihydro-2H-1lambda6,4-benzothiazin-1-oneC₈H₁₀N₂OS182.25
2137586-19-51-(1,1-Difluoro-2-hydroxyethyl)-1H-1,2,3-triazole-4-carboxylic acidC₅H₅F₂N₃O₃193.11
2137587-64-35-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-1,3-oxazole-4-carboxylic acidC₂₀H₁₆N₂O₅364.36
2137587-78-93-(Chloromethyl)-1,4-dimethyl-1H-pyrazole hydrochlorideC₆H₁₀Cl₂N₂181.07
2137588-73-7Methyl 6-aminobicyclo[3.2.0]heptane-3-carboxylate hydrochlorideC₉H₁₆ClNO₂205.69
2137589-84-3tert-Butyl 4-(fluorosulfonyl)piperidine-1-carboxylateC₁₀H₁₈FNO₄S267.32
2137590-08-8Hept-6-yne-1-sulfonamideC₇H₁₃NO₂S175.25
2137590-62-47-Fluoro-1,2,3,4-tetrahydronaphthalen-1-amine hydrochlorideC₁₀H₁₃ClFN201.67
2137590-74-82-(2-Aminopropan-2-yl)-5-methoxy-3,4-dihydropyrimidin-4-one hydrochlorideC₈H₁₄ClN₃O₂219.67
2137590-97-57-Methoxy-6-(oxan-4-yl)-3,4,5,6-tetrahydro-2H-azepineC₁₂H₂₁NO₂211.31
2137591-52-55-(5-Formylpyridin-2-yl)furan-2-carboxylic acidC₁₁H₇NO₄217.18
2137592-15-34-(Difluoromethyl)-3-methylbenzoic acidC₉H₈F₂O₂186.16
2137592-64-23-Cyclopropyl-4-methoxybenzaldehydeC₁₁H₁₂O₂176.22
2137593-03-2rac-(1R,5R)-3-Oxaspiro[bicyclo[3.1.0]hexane-2,1'-cyclobutane]-1-amineC₈H₁₃NO139.20
2137593-09-86-(Trifluoromethyl)-2,3-dihydro-1lambda6,2-benzothiazole-1,1,3-trioneC₈H₄F₃NO₃S251.19
2137593-21-46-Methoxy-4,4-dimethyl-3-phenyl-2,3,4,5-tetrahydropyridineC₁₄H₁₉NO217.31
2137594-92-28-Aminoquinoline-6-carboxylic acid hydrochlorideC₁₀H₉ClN₂O₂224.65
2137595-45-82-[4-(1-Fluoroethenyl)oxan-4-yl]acetic acidC₉H₁₃FO₃188.20
2137595-69-61-Imino-N-methyl-1-oxothiolan-3-amine dihydrochlorideC₅H₁₄Cl₂N₂OS221.15
2137597-32-91-tert-Butyl 3-chloromethyl azetidine-1,3-dicarboxylateC₁₀H₁₆ClNO₄249.69
2137597-71-6{2,9-Dioxaspiro[5.5]undecan-3-yl}methanolC₁₀H₁₈O₃186.25
2137599-13-26-Oxaspiro(2.5)octane-1-sulfonyl chlorideC₇H₁₁ClO₃S210.68
2137599-17-61-(Difluoromethyl)-1H-1,2,4-triazol-3-amine hydrochlorideC₃H₅ClF₂N₄170.55
2137599-93-81-(4-Bromo-2-methylphenyl)-4-(3,4-dimethoxyphenyl)-1H-1,2,3-triazoleC₁₇H₁₆BrN₃O₂374.24
2137600-04-3rac-(3aR,6aS)-3a-methyl-hexahydro-1H-2lambda6-thieno(3,4-c)pyrrole-2,2-dione hydrochlorideC₇H₁₄ClNO₂S211.71
2137600-13-41-(2,2-Difluoropropyl)piperazine dihydrochlorideC₇H₁₆Cl₂F₂N₂237.12
2137600-24-71-(4-Methyl-1,3-oxazol-5-yl)methanamine hydrochlorideC₅H₉ClN₂O148.59
2137600-90-7rac-(1R,5R)-Bicyclo(3.1.0)hexan-1-amine hydrochlorideC₆H₁₂ClN133.62
2137600-94-1rac-[(1R,5R)-Bicyclo[3.1.0]hexan-1-yl]methanamine hydrochlorideC₇H₁₄ClN147.65
2137601-21-74-Bromo-1-chloro-6-(trifluoromethyl)isoquinolineC₁₀H₄BrClF₃N310.50
2137601-32-04-Bromo-1-chloro-8-methoxyisoquinolineC₁₀H₇BrClNO272.53
2137602-48-12-Methanesulfonyl-2-methylpropanethioamideC₅H₁₁NO₂S₂181.28
2137602-55-0(6-Methylpyrazin-2-yl)methanamine dihydrochlorideC₆H₁₁Cl₂N₃196.08
2137602-97-05-Methyl-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acidC₁₀H₁₁NO₃193.20
2137604-00-16-Chloro-7-fluoro-2,3-dihydro-1-benzofuran-3-carboxylic acidC₉H₆ClFO₃216.59
2137604-66-93-(Aminomethyl)-4-bromo-1-methyl-1H-pyrazole-5-carboxylic acid hydrobromideC₆H₉Br₂N₃O₂314.96
2137604-71-64-Bromo-3-cyclobutyl-1H-pyrazole hydrochlorideC₇H₁₀BrClN₂237.53
2137604-80-72-(Piperidin-4-yl)-1,3-oxazole-5-carboxylic acid hydrochlorideC₉H₁₃ClN₂O₃232.67
2137604-86-33-(Aminomethyl)azepan-2-one hydrochlorideC₇H₁₅ClN₂O178.66
2137605-31-1Imidazo[4,3-b][1,3]thiazole-3-carboxylic acid hydrochlorideC₆H₅ClN₂O₂S204.64
2137606-24-5rac-tert-Butyl (3R,4R)-4-cyclopropylpyrrolidine-3-carboxylateC₁₂H₂₁NO₂211.31
2137606-35-8Methyl 3-amino-3-[4-(trifluoromethyl)phenyl]propanoate hydrochlorideC₁₁H₁₃ClF₃NO₂283.68
2137606-47-2rac-Ethyl (2R,4R)-4-aminooxane-2-carboxylate hydrochlorideC₈H₁₆ClNO₃209.67
2137610-41-25-Chloro-4-(chlorosulfonyl)furan-2-carboxylic acidC₅H₂Cl₂O₅S245.04
2137610-96-7rac-(1R,2R,4S,5S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)bicyclo(3.1.0)hexane-2-carboxylic acidC₂₂H₂₁NO₄363.41
2137611-50-66-Bromo-3-(trifluoromethyl)-1,2-dihydroisoquinolin-1-oneC₁₀H₅BrF₃NO292.05
2137611-55-12-(4-(2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)ethyl)phenyl)acetic acidC₂₅H₂₃NO₄401.46
2137611-58-4Methyl 7-chlorothieno(3,2-c)pyridine-2-carboxylateC₉H₆ClNO₂S227.67
2137613-20-6Methyl 6-oxobicyclo[3.2.0]heptane-3-carboxylateC₉H₁₂O₃168.19
2137613-27-34-Amino-2-methyl-1lambda6-thiane-1,1-dione hydrochlorideC₆H₁₄ClNO₂S199.70
2137614-13-02-Methyl-2H-indazole-3-carboximidamide hydrochlorideC₉H₁₁ClN₄210.67
2137615-53-1tert-Butyl N-(2-(3-(2-aminoethyl)-3H-diazirin-3-yl)ethyl)carbamateC₁₀H₂₀N₄O₂228.30
2137615-59-7Hept-6-yne-1-sulfonyl chlorideC₇H₁₁ClO₂S194.68
2137616-38-510-(Iodomethyl)-1,4,9-trioxadispiro[4.1.4^{7}.1^{5}]dodecaneC₁₀H₁₅IO₃310.13
2137616-46-52-Amino-6-azaspiro[3.4]octan-5-oneC₇H₁₂N₂O140.19
2137617-35-53-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidin-4-yl)prop-2-ynoic acidC₂₃H₂₁NO₄375.42
2137617-61-74-(Trifluoromethyl)-4,5,6,7-tetrahydro-1H-indazol-6-amineC₈H₁₀F₃N₃205.18
2137618-04-12-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5-oxa-2-azaspiro(3.4)octane-6-carboxylic acidC₂₂H₂₁NO₅379.41
2137618-36-93-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methylcyclohexane-1-carboxylic acidC₂₃H₂₅NO₄379.46
2137618-41-62-(1-(((9H-Fluoren-9-yl)methoxy)carbonyl)azepan-4-yl)acetic acidC₂₃H₂₅NO₄379.46
2137620-24-55-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}pyrrolidin-2-yl)pyridine-3-carboxylic acidC₂₅H₂₂N₂O₄414.46
2137620-27-85-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1-methyl-1H-pyrazole-4-carboxylic acidC₂₁H₁₉N₃O₄377.40
2137624-23-67-Chloro-3-(trifluoromethyl)isoquinolineC₁₀H₅ClF₃N231.60
2137624-63-45-(Pyrrolidin-1-yl)pyridin-2-amine dihydrochlorideC₉H₁₅Cl₂N₃236.15
2137625-58-01-Benzyl-4-({[(tert-butoxy)carbonyl]amino}methyl)piperidine-4-carboxylic acidC₁₉H₂₈N₂O₄348.44
2137625-89-74-Cyclopropylbutane-1-sulfonyl chlorideC₇H₁₃ClO₂S196.70
2137626-35-66-Bromo-1-methyl-5-(trifluoromethyl)-1H-1,3-benzodiazoleC₉H₆BrF₃N₂279.06
2137627-27-9Methyl 6-(fluorosulfonyl)pyridine-2-carboxylateC₇H₆FNO₄S219.19
2137627-63-36-Chloro-1H,2H,4H-pyrido(3,2-d)(1,3)oxazin-2-oneC₇H₅ClN₂O₂184.58
2137627-74-6N,2-dimethyl-1-phenylpropane-1-sulfonamideC₁₁H₁₇NO₂S227.33
2137628-38-5N,3-dimethyl-1-phenylbutane-1-sulfonamideC₁₂H₁₉NO₂S241.36
2137628-45-45-Amino-1-cyclopropyl-1H-pyrazole-4-carbaldehydeC₇H₉N₃O151.17
2137628-57-83-Amino-5-(trifluoromethyl)pyridine-2-carboxylic acid hydrochlorideC₇H₆ClF₃N₂O₂242.58
2137628-75-02-[3-({[(tert-Butoxy)carbonyl]amino}methyl)cyclobutyl]acetic acidC₁₂H₂₁NO₄243.30
2137629-25-32-(Piperidin-4-yl)-1lambda6,2,5-thiadiazolidine-1,1-dione hydrochlorideC₇H₁₆ClN₃O₂S241.74
2137629-28-62-(1,4,7,10-Tetraazacyclododecan-1-yl)acetic acid trihydrochlorideC₁₀H₂₅Cl₃N₄O₂339.69
2137629-33-35-Bromo-1-ethyl-3-formyl-1H-indole-2-carboxylic acidC₁₂H₁₀BrNO₃296.12
2137629-53-74-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)cyclopropyl)benzoic acidC₂₅H₂₁NO₄399.45
2137629-67-3Lithium 4-bromo-5-methyl-1,3-thiazole-2-carboxylateC₅H₃BrLiNO₂S228.00
2137629-93-53-((Oxolan-3-yl)methyl)morpholineC₉H₁₇NO₂171.24
2137630-84-12-(Chloromethyl)-4-methoxy-5-methyl-1,3-thiazoleC₆H₈ClNOS177.66
2137631-21-96-Tricyclo[3.2.1.02,4]octanylmethanolC₉H₁₄O138.21
2137631-23-17-Bromo-2,3-dihydro-1lambda6,2-benzothiazole-1,1,3-trioneC₇H₄BrNO₃S262.08
2137631-73-1rac-2-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentyl]acetic acidC₂₂H₂₃NO₄365.43
2137634-01-41-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidin-4-yl)-1H-1,2,3-triazole-5-carboxylic acidC₂₃H₂₂N₄O₄418.45
2137634-27-44-Fluoro-2,3-dihydro-1-benzofuran-7-carboxylic acidC₉H₇FO₃182.15
2137635-09-51H,4H,5H,6H,7H-Pyrazolo(3,4-b)pyridine-3-carboxylic acid hydrochlorideC₇H₁₀ClN₃O₂203.63

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