CAS number index

CAS numbers starting with 303, page 19

2,703 chemicals have a CAS number that starts with 303. They are listed in CAS order.

Showing 1,801 to 1,900 of 2,703 chemicals

CAS numberChemical nameFormulaMol. weight

303138-00-32-Methylpropyl 4-(6-bromo-1,3-benzodioxol-5-yl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylateC₁₈H₂₁BrN₂O₅425.28
303138-15-0N-(5-Ethyl-1,3,4-thiadiazol-2-yl)pyrazine-2-carboxamideC₉H₉N₅OS235.27
303138-18-32-(3-Ethoxy-4-hydroxyphenyl)-2,3-dihydro-4(1H)-quinazolinoneC₁₆H₁₆N₂O₃284.31
303138-23-0N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-5-methylfuran-2-carboxamideC₁₄H₁₃NO₄259.26
303138-42-3N-(3-Cyano-4,5,6,7,8,9-hexahydrocycloocta[b]thiophen-2-yl)pyridine-4-carboxamideC₁₇H₁₇N₃OS311.41
303138-43-46-(4-Pyridin-4-ylmethyl-phenylcarbamoyl)-cyclohex-3-enecarboxylic acidC₂₀H₂₀N₂O₃336.39
303138-85-41-(2-Methoxyphenyl)-4-(4-methoxyphenyl)sulfonylpiperazineC₁₈H₂₂N₂O₄S362.45
303139-09-5[4-(2-Methoxyphenyl)piperazin-1-yl]-[2-(4-methoxyphenyl)quinolin-4-yl]methanoneC₂₈H₂₇N₃O₃453.54
303139-77-72-[4-(4-Chloro-2-nitrophenyl)piperazin-1-yl]ethanolC₁₂H₁₆ClN₃O₃285.73
303139-81-32-[2-({[1-(2-Hydroxyethyl)-1H-benzimidazol-2-yl]methyl}sulfanyl)-1H-benzimidazol-1-yl]ethanolC₁₉H₂₀N₄O₂S368.46
303139-84-64-(2-Nitro-5-pyrrolidin-1-ylphenyl)morpholineC₁₄H₁₉N₃O₃277.32
303139-90-42-[[(6-Bromo-1H-benzimidazol-2-yl)thio]methyl]-1-methylbenzimidazoleC₁₆H₁₃BrN₄S373.28
30314-42-21-(4-Chlorophenyl)-2,2-dimethylpropan-1-oneC₁₁H₁₃ClO196.68
30314-44-42,2-Dimethyl-1-(4-methylphenyl)-1-propanoneC₁₂H₁₆O176.26
30314-64-81-(4-Methoxyphenyl)propan-2-olC₁₀H₁₄O₂166.22
303140-06-96-Bromo-2-methylsulfanyl-1H-benzimidazoleC₈H₇BrN₂S243.13
303140-24-1Benzyl 1,6-dimethyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylateC₂₀H₁₉N₃O₅381.39
303140-67-24-Cyano-N-cyclohexyl-N-ethyl-5-[(2-fluorobenzoyl)amino]-3-methylthiophene-2-carboxamideC₂₂H₂₄FN₃O₂S413.52
303141-12-0N-[4-(1H-Benzimidazol-2-yl)phenyl]-3-ethoxybenzamideC₂₂H₁₉N₃O₂357.41
303141-21-1Ethyl 2-amino-4-methyl-5-[(3-nitrophenyl)carbamoyl]thiophene-3-carboxylateC₁₅H₁₅N₃O₅S349.37
303141-30-22-Amino-4-(3-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrileC₁₇H₁₆N₂O₃296.33
303141-31-32-Amino-5-oxo-4-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrileC₁₉H₂₀N₂O₅356.38
303141-32-42-Amino-5-oxo-4-(2,3,4-trimethoxyphenyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrileC₁₉H₂₀N₂O₅356.38
303141-41-5Ethyl 4-(2,3-dimethoxyphenyl)-2-oxo-6-phenyl-1,2,3,4-tetrahydro-5-pyrimidinecarboxylateC₂₁H₂₂N₂O₅382.42
303141-96-0N-[4-Hydroxy-3-(5-methyl-1,3-benzoxazol-2-yl)phenyl]-5-nitrofuran-2-carboxamideC₁₉H₁₃N₃O₆379.33
303142-21-4N-(2,4-Dichlorophenyl)-2-(2,3,3-trimethyl-1,4-dihydroisoquinolin-1-yl)acetamideC₂₀H₂₂Cl₂N₂O377.31
303144-30-1Ethyl 1-(6-chloropyridazin-3-yl)-5-methyl-1H-pyrazole-4-carboxylateC₁₁H₁₁ClN₄O₂266.69
303144-39-02-{1-[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]-1H-indol-3-yl}-N-[(methoxyamino)methylene]acetamideC₁₈H₁₄ClF₃N₄O₂410.78
303144-44-71-(Pyrimidin-2-yl)piperidine-4-carboxylic acidC₁₀H₁₃N₃O₂207.23
303144-50-52-[5-(2-Fluorobenzoyl)-2-thienyl]acetonitrileC₁₃H₈FNOS245.28
303144-51-63-((2,6-Dichlorobenzyl)oxy)-2-methyl-4H-pyran-4-oneC₁₃H₁₀Cl₂O₃285.13
303144-54-92-(5-Benzoylthiophen-2-yl)acetonitrileC₁₃H₉NOS227.29
303144-58-33-[(2-Chloro-6-fluorobenzyl)oxy]-2-methyl-4(1H)-pyridinoneC₁₃H₁₁ClFNO₂267.69
303144-59-43-((2,4-Dichlorobenzyl)oxy)-2-methyl-4H-pyran-4-oneC₁₃H₁₀Cl₂O₃285.13
303144-61-83-[(2,6-Dichlorobenzyl)oxy]-2-methyl-4(1H)-pyridinoneC₁₃H₁₁Cl₂NO₂284.14
303144-67-4N-(2,4-Difluorophenyl)-3-(methoxyimino)propanamideC₁₀H₁₀F₂N₂O₂228.20
303144-84-55-(4-Chlorophenyl)-1-propyl-1H-1,2,3,4-tetrazoleC₁₀H₁₁ClN₄222.68
303144-85-65-(4-Chlorophenyl)-1-isopropyl-1H-1,2,3,4-tetraazoleC₁₀H₁₁ClN₄222.68
303144-87-85-(4-Chlorophenyl)-1-(3-(trifluoromethyl)benzyl)-1H-1,2,3,4-tetrazoleC₁₅H₁₀ClF₃N₄338.72
303144-90-3N-(3-Chlorobenzyl)-3-(trifluoromethyl)benzenecarboxamideC₁₅H₁₁ClF₃NO313.71
303144-91-4N-Allyl-3-(trifluoromethyl)benzenecarboxamideC₁₁H₁₀F₃NO229.20
303144-97-05-(3,5-Dichlorophenyl)-1-methyl-1H-1,2,3,4-tetraazoleC₈H₆Cl₂N₄229.07
303144-98-15-(3-Chlorophenyl)-1-isopropyl-1H-1,2,3,4-tetraazoleC₁₀H₁₁ClN₄222.68
303144-99-25-(3-Chlorophenyl)-1-propyl-1H-1,2,3,4-tetraazoleC₁₀H₁₁ClN₄222.68
303145-00-83,5-Dichloro-N-(3-(trifluoromethyl)benzyl)benzenecarboxamideC₁₅H₁₀Cl₂F₃NO348.15
303145-02-05-(3,5-Dichlorophenyl)-1-isopropyl-1H-1,2,3,4-tetraazoleC₁₀H₁₀Cl₂N₄257.12
303145-05-31-Allyl-5-(3,5-dichlorophenyl)-1H-1,2,3,4-tetraazoleC₁₀H₈Cl₂N₄255.11
303145-06-45-(3,5-Dichlorophenyl)-1-propyl-1H-1,2,3,4-tetraazoleC₁₀H₁₀Cl₂N₄257.12
303145-08-61-Allyl-5-(3-chlorophenyl)-1H-1,2,3,4-tetraazoleC₁₀H₉ClN₄220.66
303145-14-4Ethyl 2-[(4-oxo-4H-pyrido[1,2-a][1,3,5]triazin-2-yl)sulfanyl]acetateC₁₁H₁₁N₃O₃S265.29
303145-15-52-[[3-(Trifluoromethyl)phenyl]methylsulfanyl]pyrido[1,2-a][1,3,5]triazin-4-oneC₁₅H₁₀F₃N₃OS337.33
303145-17-72-(Allylsulfanyl)-4H-pyrido[1,2-a](1,3,5)triazin-4-oneC₁₀H₉N₃OS219.27
303145-19-92-Chloro-5-[3-(3-methoxyphenyl)-1,2,4-oxadiazol-5-yl]pyridineC₁₄H₁₀ClN₃O₂287.71
303145-34-8Dimethyl 5-(4-methylphenyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylateC₁₈H₁₉NO₄313.35
303145-38-25-(4-Methylphenyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acidC₁₆H₁₅NO₄285.30
303145-42-85-(4-Fluorophenyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acidC₁₅H₁₂FNO₄289.26
303145-43-95-(4-Methoxyphenyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acidC₁₆H₁₅NO₅301.30
303145-49-51-(3-(((4-Chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-3-(dimethylamino)-2-propen-1-oneC₁₈H₁₇ClN₂O₅S408.86
303145-51-94-(3-(((4-Chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-2-phenylpyrimidineC₂₃H₁₆ClN₃O₄S465.92
303145-54-24-(3-(((4-Chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-2-(4-methylphenyl)pyrimidineC₂₄H₁₈ClN₃O₄S479.94
303145-55-34-(3-(((4-Chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-2-methylpyrimidineC₁₈H₁₄ClN₃O₄S403.85
303145-62-27-(4-Chlorophenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amineC₁₁H₈ClN₅245.67
303145-68-87-(Pyridin-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amineC₁₀H₈N₆212.22
303145-70-26-(3-Thienyl)[1,2,4]triazolo[1,5-a]pyrimidine-2,7-diamineC₉H₈N₆S232.27
303145-75-7N'-[7-(4-Chlorophenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-N,N-dimethylmethanimidamideC₁₄H₁₃ClN₆300.75
303145-78-0N,N-Dimethyl-N'-(7-phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methanimidamideC₁₄H₁₄N₆266.31
303145-80-4N'-[7-(3-Chlorophenyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-N,N-dimethyliminoformamideC₁₄H₁₃ClN₆300.75
303145-92-8N'-[2-{[(Dimethylamino)methylene]amino}-6-(4-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]-N,N-dimethyliminoformamideC₁₈H₂₂N₈O366.43
303145-93-9N,N-Dimethyl-N'-[7-(3-pyridinyl)[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]iminoformamideC₁₃H₁₃N₇267.30
303145-94-0N,N-Dimethyl-N'-(7-thiophen-2-yl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methanimidamideC₁₂H₁₂N₆S272.34
303145-96-2N,N-Dimethyl-N'-(7-pyridin-2-yl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)methanimidamideC₁₃H₁₃N₇267.30
303146-07-87-(3-Chlorophenyl)-2-(1H-pyrrol-1-yl)[1,2,4]triazolo[1,5-a]pyrimidineC₁₅H₁₀ClN₅295.73
303146-11-47-(4-Methoxyphenyl)-2-(1-pyrrolyl)-[1,2,4]triazolo[1,5-a]pyrimidineC₁₆H₁₃N₅O291.31
303146-15-87-Phenyl-2-(1H-pyrrol-1-yl)[1,2,4]triazolo[1,5-a]pyrimidineC₁₅H₁₁N₅261.29
303146-17-07-(5-Methyl-2-furyl)-2-(1H-pyrrol-1-yl)[1,2,4]triazolo[1,5-a]pyrimidineC₁₄H₁₁N₅O265.28
303146-18-17-(2-Furyl)-2-(1H-pyrrol-1-yl)[1,2,4]triazolo[1,5-a]pyrimidineC₁₃H₉N₅O251.25
303146-19-24-(Phenylsulfonyl)-2-butanone O-methyloximeC₁₁H₁₅NO₃S241.31
303146-21-6N'-[7-[1-(4-Fluorophenoxy)ethyl]-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-N,N-dimethylmethanimidamideC₁₆H₁₇FN₆O328.35
303146-24-94-(Phenylsulfonyl)-2-butanone oximeC₁₀H₁₃NO₃S227.28
303146-26-15-Acetyl-2-(ethylsulfanyl)-6-methylpyridine-3-carbonitrileC₁₁H₁₂N₂OS220.30
303146-27-25-Acetyl-6-methyl-2-(propylsulfanyl)nicotinonitrileC₁₂H₁₄N₂OS234.32
303146-31-8Methyl 5-cyano-6-(4-fluorophenoxy)-2-methylnicotinateC₁₅H₁₁FN₂O₃286.26
303146-33-0Methyl 5-cyano-6-(4-methoxyphenoxy)-2-methylpyridine-3-carboxylateC₁₆H₁₄N₂O₄298.30
303146-35-2Methyl 5-cyano-2-methyl-6-phenoxypyridine-3-carboxylateC₁₅H₁₂N₂O₃268.27
303146-40-9Methyl 5-cyano-6-(2-methoxyphenoxy)-2-methylnicotinateC₁₆H₁₄N₂O₄298.30
303146-45-4Methyl 6-(benzylsulfanyl)-5-cyano-2-methylnicotinateC₁₆H₁₄N₂O₂S298.37
303146-47-6Methyl 5-cyano-6-(2,3-dimethylphenoxy)-2-methylnicotinateC₁₇H₁₆N₂O₃296.33
303146-49-85-Acetyl-6-methyl-2-phenoxynicotinonitrileC₁₅H₁₂N₂O₂252.27
303146-52-32-Benzyl-6-(4-methoxystyryl)-3(2H)-pyridazinoneC₂₀H₁₈N₂O₂318.38
303146-54-5Ethyl 2-[3-(4-methoxystyryl)-6-oxo-1(6H)-pyridazinyl]acetateC₁₇H₁₈N₂O₄314.34
303146-55-6Ethyl 2-[3-(4-methoxystyryl)-6-oxo-1(6H)-pyridazinyl]propanoateC₁₈H₂₀N₂O₄328.37
303146-58-96-(4-Isopropylphenyl)-4-oxo-5-hexenoic acidC₁₅H₁₈O₃246.31
303146-59-06-(4-Isopropylstyryl)-4,5-dihydro-3(2H)-pyridazinoneC₁₅H₁₈N₂O242.32
303146-61-4Ethyl 2-[3-(4-ethoxystyryl)-6-oxo-5,6-dihydro-1(4H)-pyridazinyl]acetateC₁₈H₂₂N₂O₄330.38
303146-62-55-Acetyl-6-methyl-2-[3-(trifluoromethyl)phenoxy]nicotinonitrileC₁₆H₁₁F₃N₂O₂320.27
303146-63-65-Acetyl-2-(2,4-dichlorophenoxy)-6-methylnicotinonitrileC₁₅H₁₀Cl₂N₂O₂321.16
303146-67-02-(2-Methylbenzyl)-6-styryl-4,5-dihydro-3(2H)-pyridazinoneC₂₀H₂₀N₂O304.39
303146-68-15-Acetyl-2-(4-fluorophenoxy)-6-methylnicotinonitrileC₁₅H₁₁FN₂O₂270.26
303146-69-25-Acetyl-2-(2-methoxyphenoxy)-6-methylnicotinonitrileC₁₆H₁₄N₂O₃282.30
303146-70-55-Acetyl-2-(3,5-dimethylphenoxy)-6-methylnicotinonitrileC₁₇H₁₆N₂O₂280.33

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