CAS number index

CAS numbers starting with 21, page 39

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

Showing 3,801 to 3,900 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

214209-98-04-Bromo-2,5-difluorobenzenesulfonamideC₆H₄BrF₂NO₂S272.07
214210-21-63-Cyano-4-fluorophenylboronic acidC₇H₅BFNO₂164.93
214210-30-74-Bromo-2-fluorobenzenesulphonamideC₆H₅BrFNO₂S254.08
214217-86-4o-HydroxyatorvastatinC₃₃H₃₅FN₂O₆574.65
214217-88-6p-HydroxyatorvastatinC₃₃H₃₅FN₂O₆574.65
21422-04-8DemethylsuberosinC₁₄H₁₄O₃230.26
21422-40-2Methyl 2-(1H-indol-2-yl)acetateC₁₁H₁₁NO₂189.21
214221-34-81-[4-Acetyl-1-(2-aminophenyl)-2,5-dimethylpyrrol-3-yl]ethanoneC₁₆H₁₈N₂O₂270.33
2142237-05-43-Methylspiro[3.3]heptan-1-oneC₈H₁₂O124.18
21423-81-43-Chloro-p-toluonitrileC₈H₆ClN151.60
21424-24-8Heptadecyltrimethylammonium bromideC₂₀H₄₄BrN378.48
2142535-91-73-Methylcyclohexane-1-sulfonyl fluorideC₇H₁₃FO₂S180.24
21426-18-64-Ethylthiophene-2-carbaldehydeC₇H₈OS140.21
21426-90-44-(Methoxycarbonyl)naphthalene-1-carboxylic acidC₁₃H₁₀O₄230.22
2142616-58-65-(Chloromethyl)-1-methyl-1H-pyrazolo[4,3-d]pyrimidin-7-olC₇H₇ClN₄O198.61
214262-86-92-(2-Chloro-6-fluorophenyl)ethanolC₈H₈ClFO174.60
214262-89-21-(2-Fluorophenyl)cyclopentane-1-carbonitrileC₁₂H₁₂FN189.23
214262-96-11-(2-Fluorophenyl)cyclopentanecarboxylic acidC₁₂H₁₃FO₂208.23
214262-98-31-(3-Fluorophenyl)cyclohexanecarboxylic acidC₁₃H₁₅FO₂222.26
214262-99-41-(4-Fluorophenyl)cyclopentanecarboxylic acidC₁₂H₁₃FO₂208.23
214263-00-01-(4-Fluorophenyl)cyclohexane-1-carboxylic acidC₁₃H₁₅FO₂222.26
2142660-28-21-Methyl-4-nitro-3-(propan-2-yloxy)-1H-pyrazoleC₇H₁₁N₃O₃185.18
214268-06-1Propargyl methacrylate silyl protectedC₁₀H₁₆O₂Si196.32
2142681-84-12-Chloro-4-(dibenzo[b,d]furan-3-yl)-6-phenyl-1,3,5-triazineC₂₁H₁₂ClN₃O357.80
21427-61-25-Chloro-2-hydroxy-3-nitropyridineC₅H₃ClN₂O₃174.54
21427-62-32,5-Dichloro-3-nitropyridineC₅H₂Cl₂N₂O₂192.99
2142733-40-02-Bromo-1-[4-methyl-3-(trifluoromethyl)phenyl]ethan-1-oneC₁₀H₈BrF₃O281.07
2142747-16-64-(2-Methylpropyl)-1H-pyrazol-5-amineC₇H₁₃N₃139.20
214279-40-04-Nitro-3-iodoanisoleC₇H₆INO₃279.03
21428-07-93-(Carbamoylamino)-3-phenylpropanoic acidC₁₀H₁₂N₂O₃208.22
21428-08-0N-[4-Methyl-5-[3-(4-nitrophenoxy)propyl]-6-oxo-1H-pyrimidin-2-yl]acetamideC₁₆H₁₈N₄O₅346.34
21428-17-16-Bromo-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dioneC₆H₇BrN₂O₂219.04
214282-36-7[(2R)-2-Hexadecanoyloxy-3-[hydroxy-[(2R,3R,5S,6R)-2,4,6-trihydroxy-3,5-diphosphonooxycyclohexyl]oxyphosphoryl]oxypropyl] hexadecanoateC₄₁H₈₁O₁₉P₃971.00
214283-58-63,4-DidehydroglabridinC₂₀H₁₈O₄322.36
214285-76-4Rosamultic acidC₃₀H₄₆O₅486.69
214287-66-86-Chloro-4-(phenylethynyl)-4-(trifluoromethyl)-3,4-dihydroquinazolin-2(1H)-oneC₁₇H₁₀ClF₃N₂O350.73
214287-88-4Dpc 961C₁₄H₁₀ClF₃N₂O314.69
214287-99-7Dpc 083C₁₄H₁₂ClF₃N₂O316.71
214288-97-82-(Carbamoylamino)-4-chlorobenzoic acidC₈H₇ClN₂O₃214.61
21429-43-6N-[5-[Bis[2-(acetyloxy)ethyl]amino]-2-[2-(2-chloro-4,6-dinitrophenyl)diazenyl]-4-ethoxyphenyl]acetamideC₂₄H₂₇ClN₆O₁₀594.97
2142911-37-1Methyl 2-(1-methyl-1H-pyrazol-3-yl)-2-oxoacetateC₇H₈N₂O₃168.15
2143-81-92-AnthracenecarbaldehydeC₁₅H₁₀O206.24
2143-93-34,4,4-Trifluoro-3-phenylbut-2-enoic acidC₁₀H₇F₃O₂216.16
21430-85-3Dichlorobis(ethylenediamine)platinum(II)C₄H₁₆Cl₂N₄Pt386.18
2143008-67-52-Chloro-4-fluoro-5-methylpyrimidineC₅H₄ClFN₂146.55
2143024-06-81-Ethynyl-3-methoxycyclobutaneC₇H₁₀O110.16
2143061-81-6RefChem:560463C₃₅H₃₄ClN₅O₃S₂672.28
21431-13-02-Methyl-1,3-benzothiazole-6-sulfonyl chlorideC₈H₆ClNO₂S₂247.73
21431-21-02-Methyl-1,3-benzothiazole-6-sulfonamideC₈H₈N₂O₂S₂228.30
21431-24-3N-[(2-Methyl-1,3-benzothiazol-5-yl)sulfonyl]acetamideC₁₀H₁₀N₂O₃S₂270.33
2143162-86-92-((4,4-Difluorocyclohexyl)oxy)acetic acidC₈H₁₂F₂O₃194.18
2143173-25-33-(2,2-Dimethylpropyl)cyclopentan-1-amineC₁₀H₂₁N155.28
2143190-06-91-[(Oxan-3-yl)methyl]-1H-1,2,3-triazole-4-carboxylic acidC₉H₁₃N₃O₃211.22
21432-51-9Bis-(5-methyl-furan-2-yl)-methanoneC₁₁H₁₀O₃190.20
214327-89-6Methyl 3,5-dichloro-2-(2-chloroacetamido)benzoateC₁₀H₈Cl₃NO₃296.54
214329-73-4Ethyl (4-bromo-2-fluorophenyl)carbamateC₉H₉BrFNO₂262.08
21433-15-8Methyl 4,4-dimethyl-2-oxopentanoateC₈H₁₄O₃158.20
2143310-54-5tert-Butyl N-[3-(2-hydroxyethyl)azetidin-3-yl]carbamateC₁₀H₂₀N₂O₃216.28
214335-16-7(3S,4S)-Methyl 4-(4-chlorophenyl)-1-methylpiperidine-3-carboxylateC₁₄H₁₈ClNO₂267.76
214335-70-32H-Pyran-2-one, tetrahydro-5-propyl-C₈H₁₄O₂142.20
214336-45-5Ethyl 2-hydroxy-5-phenylpentanoateC₁₃H₁₈O₃222.28
21434-14-01,2-Dihydro-1-phenyl-3H-1,2,4-triazole-3-thioneC₈H₇N₃S177.23
21434-15-15-Bromo-1-phenyl-1H-1,2,4-triazoleC₈H₆BrN₃224.06
21434-91-3Capobenic acidC₁₆H₂₃NO₆325.36
214341-16-94-Sulfanylbenzene-1,3-dicarboxylic acidC₈H₆O₄S198.20
214342-63-94-Bromo-1-methylpyridin-2(1H)-oneC₆H₆BrNO188.02
214342-73-15-Bromo-1-methyl-3-(trifluoromethyl)pyridin-2(1H)-oneC₇H₅BrF₃NO256.02
214342-79-74-Bromothiophene-2-sulfonamideC₄H₄BrNO₂S₂242.12
2143475-98-1N-(2-(9H-Carbazol-1-yl)phenyl)acetamideC₂₀H₁₆N₂O300.36
214348-10-4BN-80933C₂₉H₃₄N₄O₃S518.68
2143492-08-2N-(Thietan-3-yl)methanesulfonamideC₄H₉NO₂S₂167.25
21435-27-8Ser-TyrC₁₂H₁₆N₂O₅268.27
214350-74-0N-[4-[4-(Furan-2-carbonylamino)phenoxy]phenyl]furan-2-carboxamideC₂₂H₁₆N₂O₅388.38
214353-17-01-(2-Amino-5-chlorophenyl)-2,2,2-trifluoro-1,1-ethanediol, hydrochlorideC₈H₈Cl₂F₃NO₂278.06
2143535-25-3(3RS)-1,3-Bis(4-(2-methylpropyl)phenyl)butan-1-oneC₂₄H₃₂O336.52
2143535-26-41-(2-Methylpropyl)-4-((3RS)-3-(4-(2-methylpropyl)phenyl)butyl)benzeneC₂₄H₃₄322.54
2143554-22-55-Chloro-3-methylpyrazolo(1,5-a)pyrimidineC₇H₆ClN₃167.60
2143554-23-64-(Difluoromethyl)thiophene-2-carboxylic acidC₆H₄F₂O₂S178.16
214358-33-51400w DihydrochlorideC₁₀H₁₇Cl₂N₃250.17
214358-62-09,10-Dimethoxy-2-(2-methylanilino)-6,7-dihydropyrimido[6,1-a]isoquinolin-4-oneC₂₁H₂₁N₃O₃363.42
21436-03-31,2-Diaminocyclohexane, (+)-C₆H₁₄N₂114.19
21436-44-2m-Toluic anhydrideC₁₆H₁₄O₃254.28
21436-52-21-Bromohexadecan-2-oneC₁₆H₃₁BrO319.33
21436-93-1N-Cyclohexyl-4-phenylpiperazine-1-carboxamideC₁₇H₂₅N₃O287.41
21436-96-4Benzenamine, 2,4-dimethyl-, hydrochloride (1:1)C₈H₁₂ClN157.64
21436-97-5Benzenamine, 2,4,5-trimethyl-, hydrochloride (1:1)C₉H₁₄ClN171.67
21436-98-6Benzenamine, 2,6-dimethyl-, hydrochloride (1:1)C₈H₁₂ClN157.64
214360-45-93-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)benzonitrileC₁₂H₁₄BNO₂215.06
214360-46-03-(Tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrileC₁₃H₁₆BNO₂229.09
214360-47-12-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)benzonitrileC₁₂H₁₄BNO₂215.06
214360-48-22-(2-Cyanophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneC₁₃H₁₆BNO₂229.09
214360-49-31-[3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethanoneC₁₄H₁₉BO₃246.12
214360-56-23-Iodo-2,6-dimethoxypyridineC₇H₈INO₂265.05
214360-57-3N-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamideC₁₄H₂₀BNO₃261.13
214360-58-42-(4-Fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneC₁₂H₁₆BFO₂222.07
214360-60-84'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)acetanilideC₁₄H₂₀BNO₃261.13
214360-62-02-Bromo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridineC₁₁H₁₅BBrNO₂283.96
214360-64-22-(2,4-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneC₁₄H₂₁BO₂232.13
214360-65-34,4,5,5-Tetramethyl-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborolaneC₁₃H₁₆BF₃O₂272.07
214360-66-44-tert-Butylphenylboronic acid pinacol esterC₁₆H₂₅BO₂260.19

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