CAS number index

CAS numbers starting with 421, page 3

334 chemicals have a CAS number that starts with 421. They are listed in CAS order.

Showing 201 to 300 of 334 chemicals

CAS numberChemical nameFormulaMol. weight

421577-78-83-[2-(4-Hydroxy-phenylamino)-thiazol-4-yl]-6-methoxy-chromen-2-oneC₁₉H₁₄N₂O₄S366.40
421577-81-38-Allyl-N,N-dimethyl-2-oxo-2H-chromene-3-carboxamideC₁₅H₁₅NO₃257.29
421577-82-48-Methoxy-N,N-dimethyl-2-oxo-2H-chromene-3-carboxamideC₁₃H₁₃NO₄247.25
421577-88-03-Allyl-6-ethyl-2-((2-oxo-2-(p-tolyl)ethyl)thio)thieno[2,3-d]pyrimidin-4(3H)-oneC₂₀H₂₀N₂O₂S₂384.53
421577-97-12-((3-Allyl-6-ethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(m-tolyl)acetamideC₂₀H₂₁N₃O₂S₂399.54
421578-02-12-((3-Allyl-6-ethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamideC₁₃H₁₅N₃O₂S₂309.42
421578-03-22-[2-(4-Methoxyphenyl)-2-oxoethyl]sulfanyl-3-(2-methylprop-2-enyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-oneC₂₃H₂₄N₂O₃S₂440.59
421578-04-3N-(3-Chlorophenyl)-2-[[3-(2-methylprop-2-enyl)-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanyl]acetamideC₂₂H₂₂ClN₃O₂S₂460.02
421578-05-4N-(2-Methylphenyl)-2-[[3-(2-methylprop-2-enyl)-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl]sulfanyl]acetamideC₂₃H₂₅N₃O₂S₂439.61
421578-15-62-((3-(4-Ethoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydro(1)benzothieno(2,3-D)pyrimidin-2-yl)sulfanyl)-N-(4-methylphenyl)acetamideC₂₇H₂₇N₃O₃S₂505.67
421578-17-8N-(2,5-Dimethylphenyl)-2-{[3-(4-ethoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetamideC₂₈H₂₉N₃O₃S₂519.69
421578-24-73-(4-Chlorophenyl)-2-((2-(4-methoxyphenyl)-2-oxoethyl)thio)-4(3H)-quinazolinoneC₂₃H₁₇ClN₂O₃S436.92
421578-25-82-((3-(4-CL-PH)-4-Oxo-3,4-dihydro-2-quinazolinyl)thio)-N-(2,5-DI-ME-PH)acetamideC₂₄H₂₀ClN₃O₂S449.96
421578-29-2N-Benzyl-2-(4-methylpiperazin-1-yl)quinazolin-4-amineC₂₀H₂₃N₅333.44
421578-41-82-((6-Ethylthieno[2,3-d]pyrimidin-4-yl)thio)-1-(4-fluorophenyl)ethanoneC₁₆H₁₃FN₂OS₂332.43
421578-42-92-(6-Ethylthieno[2,3-d]pyrimidin-4-yl)sulfanyl-1-thiophen-2-ylethanoneC₁₄H₁₂N₂OS₃320.46
421578-43-0N-(4-Chlorophenyl)-2-(6-ethylthieno[2,3-d]pyrimidin-4-yl)sulfanylacetamideC₁₆H₁₄ClN₃OS₂363.89
421578-44-1N-(4-Bromophenyl)-2-((6-ethylthieno[2,3-d]pyrimidin-4-yl)thio)acetamideC₁₆H₁₄BrN₃OS₂408.35
421578-54-3Methyl 6-methyl-2-oxo-4-(thiophen-3-yl)-1,2,3,4-tetrahydropyrimidine-5-carboxylateC₁₁H₁₂N₂O₃S252.29
421578-69-0N-[4-(Morpholin-4-ylcarbonyl)phenyl]-2,3-dihydro-1,4-benzodioxine-2-carboxamideC₂₀H₂₀N₂O₅368.39
421578-81-61-Ethyl-3-[2-(4-fluorophenyl)-2-oxoethyl]-3-hydroxyindol-2-oneC₁₈H₁₆FNO₃313.33
421578-83-83-[2-(4-Bromophenyl)-2-oxoethyl]-1-ethyl-3-hydroxy-1,3-dihydro-2H-indol-2-oneC₁₈H₁₆BrNO₃374.23
421578-86-13-[2-(3,4-Dimethoxyphenyl)-2-oxoethyl]-1-ethyl-3-hydroxy-1,3-dihydro-2H-indol-2-oneC₂₀H₂₁NO₅355.39
421578-88-31-Ethyl-3-hydroxy-3-[2-(4-nitrophenyl)-2-oxoethyl]-1,3-dihydro-2H-indol-2-oneC₁₈H₁₆N₂O₅340.33
421579-04-63-Hydroxy-3-[2-(4-methoxy-3-nitrophenyl)-2-oxoethyl]-1-(2-phenylethyl)-1,3-dihydro-2H-indol-2-oneC₂₅H₂₂N₂O₆446.46
421579-06-83-Hydroxy-3-phenacyl-1-prop-2-ynylindol-2-oneC₁₉H₁₅NO₃305.33
421579-10-43-[2-(4-Fluorophenyl)-2-oxoethyl]-3-hydroxy-1-prop-2-ynylindol-2-oneC₁₉H₁₄FNO₃323.32
421579-12-63-[2-(3-Bromophenyl)-2-oxoethyl]-3-hydroxy-1-(prop-2-yn-1-yl)-1,3-dihydro-2H-indol-2-oneC₁₉H₁₄BrNO₃384.23
421579-17-13-Hydroxy-3-[2-oxo-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl]-1-prop-2-ynylindol-2-oneC₂₃H₂₁NO₃359.43
421579-18-23-(2-[1,1'-Biphenyl]-4-yl-2-oxoethyl)-3-hydroxy-1-(2-propynyl)-1,3-dihydro-2H-indol-2-oneC₂₅H₁₉NO₃381.43
421579-20-63-Hydroxy-3-[2-(4-methoxy-3-nitrophenyl)-2-oxoethyl]-1,3-dihydro-2H-indol-2-oneC₁₇H₁₄N₂O₆342.31
421579-21-73-Hydroxy-3-[2-(2-nitrophenyl)-2-oxoethyl]-1,3-dihydro-2H-indol-2-oneC₁₆H₁₂N₂O₅312.28
421579-94-4Ethyl 5-{[(4-ethylphenyl)sulfonyl]amino}-2-phenyl-1-benzofuran-3-carboxylateC₂₅H₂₃NO₅S449.53
42158-97-41,4-Phenylene bis(sulfurofluoridate)C₆H₄F₂O₆S₂274.22
42158-98-54,4'-Dihydroxydiphenyl sulfone bisfluorosulfinateC₁₂H₈F₂O₈S₃414.38
421580-05-4Methyl 5-[(mesitylsulfonyl)amino]-2-methylnaphtho[1,2-b]furan-3-carboxylateC₂₄H₂₃NO₅S437.52
421580-47-42-(4-Chlorophenyl)-3-[3-(2-methoxy-4-methylphenoxy)propyl]quinazolin-4-oneC₂₅H₂₃ClN₂O₃434.92
421580-53-2RefChem:381439C₂₁H₁₇ClN₄O₂S₂456.98
421580-70-3Diisopropyl 2,6-dimethyl-4-(4-methyl-PH)-1,4-dihydro-3,5-pyridinedicarboxylateC₂₂H₂₉NO₄371.48
421580-71-4Diisopropyl 4-(5-(4-chlorophenyl)-2-furyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylateC₂₅H₂₈ClNO₅457.95
421580-72-5Dibenzyl 4-[5-(2,4-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylateC₃₃H₂₇Cl₂NO₅588.49
421580-73-6Dibenzyl 4-(5-(4-chlorophenyl)-2-furyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylateC₃₃H₂₈ClNO₅554.04
421580-74-7Dibenzyl 2,6-dimethyl-4-(5-(3-nitrophenyl)-2-furyl)-1,4-dihydro-3,5-pyridinedicarboxylateC₃₃H₂₈N₂O₇564.59
421580-75-8Dibenzyl 4-[5-(2,5-dichlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarboxylateC₃₃H₂₇Cl₂NO₅588.49
421580-78-1Bis(2-methoxyethyl) 2,6-dimethyl-4-(5-(2-nitrophenyl)-2-furyl)-1,4-dihydro-3,5-pyridinedicarboxylateC₂₅H₂₈N₂O₉500.50
421580-79-22-Methoxyethyl 3-acetyl-4-(4-chlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylateC₁₇H₁₉ClN₂O₅366.80
421580-82-7Ethyl 2-(((4-chlorophenoxy)acetyl)amino)-5-methyl-1,3-thiazole-4-carboxylateC₁₅H₁₅ClN₂O₄S354.81
421581-47-7Ethyl 2-benzyl-3-oxo-3-(1,3-thiazol-2-ylamino)propanoateC₁₅H₁₆N₂O₃S304.37
421581-52-4N,N'-(Disulfanediyldi(ethane-2,1-diyl))bis(2-(1H-indol-3-yl)ethan-1-amine)C₂₄H₃₀N₄S₂438.67
421581-53-52-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-3a,4,5,6,7,7a-hexahydroisoindole-1,3-dioneC₁₉H₂₂N₂O₃326.40
421581-70-6AzolesC₁₄H₈FN₃O₃285.23
421581-78-43-{5-[(2-Methylphenoxy)methyl]-1,2,4-oxadiazol-3-yl}pyridineC₁₅H₁₃N₃O₂267.29
421581-81-95-[(2-Bromo-4-methylphenoxy)methyl]-3-pyridin-2-yl-1,2,4-oxadiazoleC₁₅H₁₂BrN₃O₂346.18
421581-87-54-{5-[(4-Chloro-2-methylphenoxy)methyl]-1,2,4-oxadiazol-3-yl}pyridineC₁₅H₁₂ClN₃O₂301.73
421581-94-44-{5-[3-(2,4-Dichlorophenoxy)propyl]-1,2,4-oxadiazol-3-yl}pyridineC₁₆H₁₃Cl₂N₃O₂350.20
421581-98-8N-(4-{[(4,6-Dimethyl-2-pyrimidinyl)amino]sulfonyl}phenyl)-1-phenylcyclopentanecarboxamideC₂₄H₂₆N₄O₃S450.56
421582-25-44-(3-Hydroxyphenyl)-1-(2-oxolanylmethyl)-4H-pyridine-3,5-dicarboxylic acid dimethyl esterC₂₀H₂₃NO₆373.40
421582-32-3Dimethyl 1-(4-fluorophenyl)-4-(4-hydroxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylateC₂₁H₁₈FNO₅383.38
421583-14-4Cephalocyclidin AC₁₇H₁₉NO₅317.34
421583-75-72-N,2-N,4-N,4-N-tetramethyl-6-(6-phenylmethoxypyridazin-3-yl)oxy-1,3,5-triazine-2,4-diamineC₁₈H₂₁N₇O₂367.41
421583-85-95-(3,4-Dimethoxyphenyl)-3-pyridin-3-yl-1,2,4-oxadiazoleC₁₅H₁₃N₃O₃283.29
421583-92-84-{5-[(2,4-Dichlorophenoxy)methyl]-1,2,4-oxadiazol-3-yl}pyridineC₁₄H₉Cl₂N₃O₂322.15
421583-93-93-(3,4-Dimethoxyphenyl)-5-[(4-methoxyphenoxy)methyl]-1,2,4-oxadiazoleC₁₈H₁₈N₂O₅342.35
421584-03-45-((4-Chloro-3-methylphenoxy)methyl)-3-(4-methoxyphenyl)-1,2,4-oxadiazoleC₁₇H₁₅ClN₂O₃330.77
421584-06-75-[(4-Chloro-3-methylphenoxy)methyl]-3-pyridin-4-yl-1,2,4-oxadiazoleC₁₅H₁₂ClN₃O₂301.73
421584-30-73-[2-(2,5-Dimethylphenyl)-2-oxoethyl]-3-hydroxy-1-methyl-1,3-dihydro-2H-indol-2-oneC₁₉H₁₉NO₃309.37
421584-40-95-Bromo-3-[2-(4-ethoxyphenyl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-oneC₁₈H₁₆BrNO₄390.23
421584-42-13-[2-(4-Ethoxyphenyl)-2-oxoethyl]-1-ethyl-3-hydroxy-1,3-dihydro-2H-indol-2-oneC₂₀H₂₁NO₄339.39
421584-63-62-Amino-1-[2-chloro-5-(trifluoromethyl)phenyl]-4-(4-nitrophenyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrileC₂₃H₁₆ClF₃N₄O₃488.85
421584-66-92-Amino-1-(3-chloro-2-methylphenyl)-7,7-dimethyl-4-(3-methyl-2-thienyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrileC₂₄H₂₄ClN₃OS438.00
421586-21-26,6-Dimethyl-9-phenyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-oneC₁₇H₁₈N₄O294.36
421586-27-84-Amino-3-ethyl-N-methyl-2-thioxo-2,3-dihydro-1,3-thiazole-5-carboxamideC₇H₁₁N₃OS₂217.32
42159-76-22-Amino-6-tert-butyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carbonitrileC₁₃H₁₈N₂S234.37
421595-78-0Imidazo(1,2-a)pyridine-7-carbohydrazideC₈H₈N₄O176.18
421595-81-5Imidazo[1,2-a]pyridin-7-amineC₇H₇N₃133.15
4216-01-77H-Benzo[e]perimidine-4-carboxamide, N-(9,10-dihydro-9,10-dioxo-1-anthracenyl)-7-oxo-C₃₀H₁₅N₃O₄481.47
4216-02-8Bisbenzimidazo[2,1-b:1',2'-j]benzo[lmn][3,8]phenanthroline-6,9-dioneC₂₆H₁₂N₄O₂412.41
4216-91-5Methyl (2S)-2-amino-3-(1-methyl-1H-imidazol-4-yl)propanoate dihydrochlorideC₈H₁₅Cl₂N₃O₂256.13
42160-26-92-Amino-3-cyano-4-methyl-5-phenylthiopheneC₁₂H₁₀N₂S214.29
42161-96-61-Cyclopropyl-1-(trimethylsilyloxy)ethyleneC₈H₁₆OSi156.30
42163-27-91-(Methylamino)butan-2-olC₅H₁₃NO103.17
42163-28-03-Methyl-1-(methylamino)butan-2-olC₆H₁₅NO117.19
42163-29-13,3-Dimethyl-1-(methylamino)-2-butanolC₇H₁₇NO131.22
42163-30-4rac-(2R,3R)-3-(Methylamino)butan-2-olC₅H₁₃NO103.17
42164-53-4N-(1-Aminopropan-2-yl)anilineC₉H₁₄N₂150.22
42164-60-3N-(1-Aminopropan-2-yl)-N-methylanilineC₁₀H₁₆N₂164.25
42166-50-73-HydrazinopyridineC₅H₇N₃109.13
42166-64-3Bicyclo(2.2.2)octan-2-amine hydrochlorideC₈H₁₆ClN161.68
4217-54-310-Methyl-9,10-dihydroacridineC₁₄H₁₃N195.26
4217-62-31,1-Diphenylethane-1,2-diolC₁₄H₁₄O₂214.26
4217-66-7(±)-2-Phenyl-1,2-propanediolC₉H₁₂O₂152.19
4217-69-01-(Hydroxymethyl)-1,2,3,4-tetrahydronaphthalen-1-olC₁₁H₁₄O₂178.23
4217-76-9AllosucroseC₁₂H₂₂O₁₁342.30
4217-84-9L-alpha-Glycerylphosphorylcholine (GPC)C₈H₂₀NO₆P257.22
42170-02-55-Benzyl-1,3,5-triazinane-2-thioneC₁₀H₁₃N₃S207.30
42170-25-2Cyclohexane, bis(isocyanatomethyl)-C₁₀H₁₄N₂O₂194.23
42170-95-61-Isocyanato-2-methoxyethaneC₄H₇NO₂101.11
42172-35-03-Methylhexadecanoic acidC₁₇H₃₄O₂270.46
42173-25-19,10-Dimethyl-1,2,3,4,5,6,7,8-octahydro-anthraceneC₁₆H₂₂214.35
42174-34-5N-(3,4-Dichlorophenyl)-3-phenylprop-2-enamideC₁₅H₁₁Cl₂NO292.17

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