CAS number index

CAS numbers starting with 303, page 17

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

Showing 1,601 to 1,700 of 2,703 chemicals

CAS numberChemical nameFormulaMol. weight

303107-47-32-(1,3-Benzothiazol-2-ylthio)-N'-((5-bromo-2-thienyl)methylene)acetohydrazideC₁₄H₁₀BrN₃OS₃412.36
303107-48-42-(1,3-Benzothiazol-2-ylthio)-N'-(4-HO-3,5-dimethoxybenzylidene)acetohydrazideC₁₈H₁₇N₃O₄S₂403.49
303107-49-52-(1,3-Benzothiazol-2-ylthio)-N'-(2-furylmethylene)acetohydrazideC₁₄H₁₁N₃O₂S₂317.39
303107-50-82-(1,3-Benzothiazol-2-ylthio)-N'-(4-isopropylbenzylidene)acetohydrazideC₁₉H₁₉N₃OS₂369.51
303107-51-92-(4-Benzyl-1-piperazinyl)N'-((9-ethyl-9H-carbazol-3-yl)methylene)acetohydrazideC₂₈H₃₁N₅O453.59
303107-52-02-(4-Benzyl-1-piperazinyl)-N'-(4-hydroxybenzylidene)acetohydrazideC₂₀H₂₄N₄O₂352.44
303107-53-12-(4-Benzyl-1-piperazinyl)-N'-(2,4-dichlorobenzylidene)acetohydrazideC₂₀H₂₂Cl₂N₄O405.33
303107-54-22-(4-Benzyl-1-piperazinyl)-N'-(4-(diethylamino)benzylidene)acetohydrazideC₂₄H₃₃N₅O407.56
303107-55-32-(4-Benzyl-1-piperazinyl)-N'-(4-isopropylbenzylidene)acetohydrazideC₂₃H₃₀N₄O378.52
303107-56-42-(4-Benzyl-1-piperazinyl)-N'-(1-phenylethylidene)acetohydrazideC₂₁H₂₆N₄O350.47
303107-57-52-(4-Benzyl-1-piperazinyl)-N'-(1-(4-chlorophenyl)ethylidene)acetohydrazideC₂₁H₂₅ClN₄O384.91
303107-58-62(4-Benzyl-1-piperazinyl)N'-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)acetohydrazideC₂₁H₂₃N₅O₂377.45
303107-59-72-(4-Benzyl-1-piperazinyl)-N'-(1-(4-hydroxyphenyl)propylidene)acetohydrazideC₂₂H₂₈N₄O₂380.49
303107-60-02-(4-Benzyl-1-piperazinyl)-N'-(1-(1,1'-biphenyl)-4-ylethylidene)acetohydrazideC₂₇H₃₀N₄O426.56
303107-61-12-(4-Benzyl-1-piperazinyl)-N'-(1-(3,4-dichlorophenyl)ethylidene)acetohydrazideC₂₁H₂₄Cl₂N₄O419.36
303107-62-22-(4-Benzyl-1-piperazinyl)-N'-(1-(4-fluorophenyl)ethylidene)acetohydrazideC₂₁H₂₅FN₄O368.46
303107-63-33-(3-Ethoxyphenyl)N'-(1-(4-ethoxyphenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₂H₂₄N₄O₃392.46
303107-64-43-(3-Ethoxyphenyl)-N'-(2-furylmethylene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₆N₄O₃324.34
303107-65-5N'-(1-(4-Bromophenyl)ethylidene)-3-(3-ethoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₀H₁₉BrN₄O₂427.30
303107-66-63-(3-Ethoxyphenyl)-N'-(1-(2-thienyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₁₈H₁₈N₄O₂S354.44
303107-67-73-(3-Ethoxyphenyl)-N'-(1-(1-naphthyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₄H₂₂N₄O₂398.47
303107-68-83-(9H-Carbazol-9-yl)-N'-(1-(4-hydroxyphenyl)ethylidene)propanohydrazideC₂₃H₂₁N₃O₂371.44
303107-69-9N'-(3-BR-4-Methoxybenzylidene)-4,5-dihydro-1H-benzo(G)indazole-3-carbohydrazideC₂₀H₁₇BrN₄O₂425.29
303107-70-2Methyl 4-((E)-((4,5,6,7,8,9,10,11,12,13-decahydro-1H-cyclododeca(C)pyrazol-3-ylcarbonyl)hydrazono)methyl)benzoateC₂₃H₃₀N₄O₃410.52
303107-71-3N'-(4-HO-3-Methoxybenzylidene)-3-(5-methyl-2-furyl)-1H-pyrazole-5-carbohydrazideC₁₇H₁₆N₄O₄340.34
303107-72-4N'-(2-Furylmethylene)-3-(5-methyl-2-thienyl)-1H-pyrazole-5-carbohydrazideC₁₄H₁₂N₄O₂S300.34
303107-73-5N'-(4-Isopropylbenzylidene)-3-(5-methyl-2-thienyl)-1H-pyrazole-5-carbohydrazideC₁₉H₂₀N₄OS352.46
303107-74-63-(5-Methyl-2-thienyl)-N'-(1-phenylethylidene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₆N₄OS324.41
303107-75-7N'-(1-(3,4-DI-Meo-PH)ethylidene)-3-(5-ME-2-thienyl)-1H-pyrazole-5-carbohydrazideC₁₉H₂₀N₄O₃S384.46
303107-76-83-(5-Bromo-2-thienyl)-N'-(2,4-dichlorobenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₉BrCl₂N₄OS444.14
303107-77-93-(5-Bromo-2-thienyl)-N'-(4-nitrobenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₁₀BrN₅O₃S420.25
303107-78-0N'-(1-(2,4-DI-CL-PH)Ethylidene)-3-(2-ethoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₀H₁₈Cl₂N₄O₂417.30
303107-79-13-(2-Ethoxyphenyl)N'-(1-(4-ethoxyphenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₂H₂₄N₄O₃392.46
303107-80-43-(2-Ethoxyphenyl)-N'-(2-pyridinylmethylene)-1H-pyrazole-5-carbohydrazideC₁₈H₁₇N₅O₂335.37
303107-81-5N'-(4-Bromobenzylidene)-3-(2-ethoxyphenyl)-1H-pyrazole-5-carbohydrazideC₁₉H₁₇BrN₄O₂413.27
303107-82-63-(2-Ethoxyphenyl)-N'-(2-furylmethylene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₆N₄O₃324.34
303107-83-7N'-(1-(4-Bromophenyl)ethylidene)-3-(2-ethoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₀H₁₉BrN₄O₂427.30
303107-84-83-(2-Ethoxyphenyl)-N'-(1-(4-HO-3-meo-PH)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₁H₂₂N₄O₄394.43
303107-85-93-(2-Ethoxyphenyl)-N'-(1-(4-pyridinyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₁₉H₁₉N₅O₂349.39
303107-86-0N'-(2,4-Dichlorobenzylidene)-3-(2-propoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₀H₁₈Cl₂N₄O₂417.30
303107-87-1N'-(3,4-Dimethoxybenzylidene)-3-(2-propoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₂H₂₄N₄O₄408.46
303107-88-23(2-(Benzyloxy)PH)N'-(4-(dimethylamino)benzylidene)-1H-pyrazole-5-carbohydrazideC₂₆H₂₅N₅O₂439.52
303107-89-3ME 4-(2-((3-(3-(Benzyloxy)PH)-1H-pyrazol-5-yl)carbonyl)carbohydrazonoyl)benzoateC₂₆H₂₂N₄O₄454.49
303107-90-63-(3-(Benzyloxy)phenyl)-N'-(4-methoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₂₅H₂₂N₄O₃426.48
303107-91-73-(4-((4-CL-Benzyl)oxy)PH)N'-(3-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazideC₂₄H₁₉ClN₄O₃446.89
303107-94-03-Isopropyl-N'-(1-(4-methylphenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₁₆H₂₀N₄O284.36
303107-97-33-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₁₇H₂₂N₄O₄346.39
303108-00-1N'-(2,4-Dichlorobenzylidene)-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₄H₁₄Cl₂N₄O325.20
303108-03-4N'-(2-Furylmethylene)-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₂H₁₄N₄O₂246.27
303108-05-63-Isopropyl-N'-(2-thienylmethylene)-1H-pyrazole-5-carbohydrazideC₁₂H₁₄N₄OS262.34
303108-07-83-Isopropyl-N'-(2-methoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₁₈N₄O₂286.33
303108-08-93-(3-Ethoxyphenyl)N'-(1-(4-fluorophenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₀H₁₉FN₄O₂366.40
303108-09-0N'-(1-(4-Chlorophenyl)ethylidene)3-(2-ethoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₀H₁₉ClN₄O₂382.85
303108-10-33-(2-Ethoxy-PH)-N'-(1-(4-hydroxyphenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₀H₂₀N₄O₃364.40
303108-11-4N'-Benzylidene-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₄H₁₆N₄O256.31
303108-12-5N'-(3-Ethoxy-4-HO-benzylidene)-3-(3-methoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₀H₂₀N₄O₄380.40
30311-37-61-[4-(2-Methoxyethoxy)phenoxy]-3-(propan-2-ylamino)propan-2-olC₁₅H₂₅NO₄283.37
303111-43-5(R)-1-Benzyl-beta-prolinolC₁₂H₁₇NO191.27
303111-96-8Dicyclohexyl(2,4,6-triisopropylphenyl)phosphineC₂₇H₄₅P400.63
303114-51-4Benzyl oleanolateC₃₇H₅₄O₃546.84
303116-05-43-Chloro-1-(3-chlorophenyl)-4-(4-methylpiperazin-1-yl)pyrrole-2,5-dioneC₁₅H₁₅Cl₂N₃O₂340.21
303116-24-78-Acetyl-4-methyl-2-oxo-2H-chromen-7-yl 4-chlorobenzoateC₁₉H₁₃ClO₅356.76
303116-33-88-Acetyl-4-methyl-2-oxo-2H-chromen-7-yl 4-chloro-2-nitrobenzoateC₁₉H₁₂ClNO₇401.76
303116-34-98-Acetyl-4-methyl-2-oxo-2H-chromen-7-yl 3-methoxybenzoateC₂₀H₁₆O₆352.34
303116-69-0N-(1,3-Benzodioxol-5-yl)-2-(2,3-dimethylphenoxy)acetamideC₁₇H₁₇NO₄299.33
303116-70-33-{[(2,3-Dimethylphenoxy)acetyl]amino}benzoic acidC₁₇H₁₇NO₄299.33
303116-95-2Dimethyl 2-{[(2,3-dimethylphenoxy)acetyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3,4-dicarboxylateC₂₁H₂₃NO₆S417.48
303117-11-52-(2,3-Dimethylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]acetamideC₁₉H₁₉N₃O₄S₂417.51
303117-44-4N-(2,6-Diisopropylphenyl)thiophene-2-carboxamideC₁₇H₂₁NOS287.43
303117-48-8N-(2,6-Diisopropylphenyl)-2,6-dimethoxybenzamideC₂₁H₂₇NO₃341.45
303117-57-9(E)-3-(3-Bromo-4-methoxyphenyl)-N-[2,6-di(propan-2-yl)phenyl]prop-2-enamideC₂₂H₂₆BrNO₂416.36
303117-59-1N-(2,6-Diisopropylphenyl)isonicotinamideC₁₈H₂₂N₂O282.39
303117-61-55-Bromo-N-(2,6-diisopropylphenyl)nicotinamideC₁₈H₂₁BrN₂O361.28
303117-63-72-(4-Chloro-3,5-dimethylphenoxy)-N-(2,6-diisopropylphenyl)acetamideC₂₂H₂₈ClNO₂373.92
303117-70-6N-(2,6-Diisopropylphenyl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)acetamideC₂₂H₂₄N₂O₃364.44
303118-31-24-Chloro-2-methylphenyl 1-benzofuran-2-carboxylateC₁₆H₁₁ClO₃286.71
303118-69-6Dimethyl 2-{[(4-chloro-2-methylphenoxy)acetyl]amino}terephthalateC₁₉H₁₈ClNO₆391.81
303118-87-82-(4-Chloro-2-methylphenoxy)-N-(4-(N-(3,4-dimethylisoxazol-5-yl)sulfamoyl)phenyl)acetamideC₂₀H₂₀ClN₃O₅S449.92
303118-91-42-(4-Chloro-2-methylphenoxy)-N-(4-piperidylphenyl)acetamideC₂₀H₂₃ClN₂O₂358.87
303119-08-63-(2-Bromophenoxy)-7-ethoxy-4H-chromen-4-oneC₁₇H₁₃BrO₄361.19
303119-36-0Ethyl 2-{[3-(2-bromophenoxy)-4-oxo-4H-chromen-7-yl]oxy}acetateC₁₉H₁₅BrO₆419.23
303119-42-87-Hydroxy-3-(2-methoxyphenyl)-8-(morpholin-4-ylmethyl)-2-(trifluoromethyl)chromen-4-oneC₂₂H₂₀F₃NO₅435.40
303119-53-17-Hydroxy-3-(2-methoxyphenyl)-2-(trifluoromethyl)-4H-chromen-4-oneC₁₇H₁₁F₃O₄336.26
303119-55-37-Methoxy-3-(2-methoxyphenyl)-2-(trifluoromethyl)-4H-chromen-4-oneC₁₈H₁₃F₃O₄350.29
303119-57-57-Ethoxy-3-(2-methoxyphenyl)-2-(trifluoromethyl)-4H-chromen-4-oneC₁₉H₁₅F₃O₄364.32
303119-91-76-[(Dibutylamino)methyl]-7-hydroxy-2,3-dihydrocyclopenta[c]chromen-4(1H)-oneC₂₁H₂₉NO₃343.47
303120-07-26-((2,6-Dimethylmorpholino)methyl)-7-hydroxy-2,3-dihydrocyclopenta[c]chromen-4(1H)-oneC₁₉H₂₃NO₄329.40
303120-09-46-{[Bis(2-methoxyethyl)amino]methyl}-7-hydroxy-2,3-dihydrocyclopenta[c]chromen-4(1H)-oneC₁₉H₂₅NO₅347.41
303120-17-4N-(Furan-2-ylmethyl)-6-methylquinazolin-4-amineC₁₄H₁₃N₃O239.28
303120-57-2N-(4-Methoxyphenyl)-6-methylquinazolin-4-amineC₁₆H₁₅N₃O265.32
303120-67-4Ethyl 4-[(6-methylquinazolin-4-yl)amino]benzoateC₁₈H₁₇N₃O₂307.35
303120-78-72-((Z)-2-((Z)-Benzylidenehydrazono)-3-(4-hydroxyphenyl)-4-oxothiazolidin-5-yl)acetic acidC₁₈H₁₅N₃O₄S369.40
303120-90-3{2-[(4-Methylphenyl)amino]-4-oxo-4,5-dihydro-1,3-thiazol-5-yl}acetic acidC₁₂H₁₂N₂O₃S264.31
303121-05-38-Ethoxy-4-hydroxyquinoline-3-carboxylic acidC₁₂H₁₁NO₄233.22
303121-08-6Ethyl 6-ethoxy-4-hydroxyquinoline-3-carboxylateC₁₄H₁₅NO₄261.28
303121-10-06-Ethoxy-4-hydroxyquinoline-3-carboxylic acidC₁₂H₁₁NO₄233.22
303121-11-16-Ethoxy-4-quinolinolC₁₁H₁₁NO₂189.21
303121-13-36-Ethyl-4-quinolinolC₁₁H₁₁NO173.22
303121-22-47-Hydroxy-3-(2-methoxyphenyl)-8-[(4-methyl-1-piperidinyl)methyl]-1-benzopyran-4-oneC₂₃H₂₅NO₄379.46
303121-36-07-Hydroxy-3-(2-methoxyphenyl)-8-[(4-methylpiperazin-1-yl)methyl]-4H-chromen-4-oneC₂₂H₂₄N₂O₄380.44

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