CAS number index

CAS numbers starting with 303, page 16

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

Showing 1,501 to 1,600 of 2,703 chemicals

CAS numberChemical nameFormulaMol. weight

303106-17-4N'-((E)-1-(1,1'-Biphenyl)-4-ylethylidene)-3-(5-methyl-2-thienyl)-1H-pyrazole-5-carbohydrazideC₂₃H₂₀N₄OS400.51
303106-18-53-(2-Ethoxy-PH)-N'-(1-(4-methoxyphenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₁H₂₂N₄O₃378.43
303106-20-9N'-((2-HO-1-Naphthyl)methylene)-3-(2-propoxyphenyl)-1H-pyrazole-5-carbohydrazideC₂₄H₂₂N₄O₃414.46
303106-22-13-(4-Isopropoxy-3-meo-PH)-N'-(3-methoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₂₂H₂₄N₄O₄408.46
303106-25-43-(2-((4-Chlorobenzyl)oxy)PH)-N'-(2-furylmethylene)-1H-pyrazole-5-carbohydrazideC₂₂H₁₇ClN₄O₃420.86
303106-27-6N'-(4-Meo-benzylidene)3-(2-((4-methylbenzyl)oxy)PH)-1H-pyrazole-5-carbohydrazideC₂₆H₂₄N₄O₃440.50
303106-29-8N'-{(E)-[4-(Dimethylamino)phenyl]methylidene}-3-{2-[(4-methylbenzyl)oxy]phenyl}-1H-pyrazole-5-carbohydrazideC₂₇H₂₇N₅O₂453.55
303106-30-1N'-[(E)-(2-Hydroxy-1-naphthyl)methylidene]-3-{2-[(4-methylbenzyl)oxy]phenyl}-1H-pyrazole-5-carbohydrazideC₂₉H₂₄N₄O₃476.54
303106-31-22-Furaldehyde 5,6,7,8-tetrahydro(1)benzothieno(2,3-D)pyrimidin-4-ylhydrazoneC₁₅H₁₄N₄OS298.37
303106-33-43-Isopropyl-N'-(3-methoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₁₈N₄O₂286.33
303106-35-6N'-(2-Chlorobenzylidene)-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₄H₁₅ClN₄O290.75
303106-37-83-Isopropyl-N'-(1-(2-thienyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₁₃H₁₆N₄OS276.37
303106-38-9N'-(1-(4-Hydroxyphenyl)ethylidene)-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₅H₁₈N₄O₂286.33
303106-39-03-(5-Chloro-2-thienyl)-N'-(3-nitrobenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₁₀ClN₅O₃S375.80
303106-40-3N'-(4-Hydroxybenzylidene)-3-(5-methyl-2-furyl)-1H-pyrazole-5-carbohydrazideC₁₆H₁₄N₄O₃310.31
303106-41-4N'-(3-Hydroxybenzylidene)-3-(3-methoxyphenyl)-1H-pyrazole-5-carbohydrazideC₁₈H₁₆N₄O₃336.35
303106-42-5N'-(4-Bromobenzylidene)-3-(5-methyl-2-furyl)-1H-pyrazole-5-carbohydrazideC₁₆H₁₃BrN₄O₂373.21
303106-43-63-(3-Ethoxyphenyl)-N'-(1-(4-HO-phenyl)propylidene)-1H-pyrazole-5-carbohydrazideC₂₁H₂₂N₄O₃378.43
303106-44-7N'-(4-Hydroxybenzylidene)-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₄H₁₆N₄O₂272.31
303106-45-8N'-(4-HO-3,5-DI-Meo-benzylidene)4,5-dihydro-1H-benzo(G)indazole-3-carbohydrazideC₂₁H₂₀N₄O₄392.42
303106-46-9N'-(1-(2-Hydroxyphenyl)ethylidene)-3-(5-ME-2-furyl)-1H-pyrazole-5-carbohydrazideC₁₇H₁₆N₄O₃324.34
303106-47-0N'-(1-(4-Methoxyphenyl)ethylidene)3(5-ME-2-thienyl)-1H-pyrazole-5-carbohydrazideC₁₈H₁₈N₄O₂S354.44
303106-48-13-(4-((4-ME-Benzyl)oxy)PH)N'-(2-pyridinylmethylene)-1H-pyrazole-5-carbohydrazideC₂₄H₂₁N₅O₂411.46
303106-50-5N'-(2-HO-Benzylidene)-3-(2-((4-methylbenzyl)oxy)PH)-1H-pyrazole-5-carbohydrazideC₂₅H₂₂N₄O₃426.48
303106-52-73-(3-Ethoxyphenyl)-N'-(1-(4-HO-phenyl)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₀H₂₀N₄O₃364.40
303106-54-93-(3-Ethoxyphenyl)-N'-(1-(4-HO-3-meo-PH)ethylidene)-1H-pyrazole-5-carbohydrazideC₂₁H₂₂N₄O₄394.43
303106-57-2N'-(1-(2-Hydroxyphenyl)ethylidene)-3-isopropyl-1H-pyrazole-5-carbohydrazideC₁₅H₁₈N₄O₂286.33
303106-60-73-Iodo-N-(2,2,2-trichloro-1-(4-toluidino)ethyl)benzamideC₁₆H₁₄Cl₃IN₂O483.56
303106-62-93-Iodo-N-(2,2,2-trichloro-1-(4-fluoroanilino)ethyl)benzamideC₁₅H₁₁Cl₃FIN₂O487.53
303106-63-0N-(1-(4-Bromoanilino)-2,2,2-trichloroethyl)-3-iodobenzamideC₁₅H₁₁BrCl₃IN₂O548.43
303106-64-13-Iodo-N-(2,2,2-trichloro-1-(4-methoxyanilino)ethyl)benzamideC₁₆H₁₄Cl₃IN₂O₂499.56
303106-65-23-Iodo-N-(2,2,2-trichloro-1-(2-iodoanilino)ethyl)benzamideC₁₅H₁₁Cl₃I₂N₂O595.43
303106-66-33-Iodo-N-(2,2,2-trichloro-1-(4-iodoanilino)ethyl)benzamideC₁₅H₁₁Cl₃I₂N₂O595.43
303106-67-43-Iodo-N-(2,2,2-trichloro-1-(2,4-dimethylanilino)ethyl)benzamideC₁₇H₁₆Cl₃IN₂O497.59
303106-68-53-Iodo-N-(2,2,2-trichloro-1-(3-nitroanilino)ethyl)benzamideC₁₅H₁₁Cl₃IN₃O₃514.53
303106-70-93-((4-Bromophenyl)sulfonyl)-5-ethyl-2-(phenylimino)-1,3-thiazolidin-4-oneC₁₇H₁₅BrN₂O₃S₂439.36
303106-71-03-Meo-N-(2,2,2-trichloro-1-(((4-ethoxyanilino)carbothioyl)amino)ethyl)benzamideC₁₉H₂₀Cl₃N₃O₃S476.81
303106-72-1N'-(2-CL-6-Fluorobenzylidene)-3-(4-(octyloxy)PH)-1H-pyrazole-5-carbohydrazideC₂₅H₂₈ClFN₄O₂470.98
303106-73-2N'-(4-Fluorobenzylidene)-3-(4-(octyloxy)phenyl)-1H-pyrazole-5-carbohydrazideC₂₅H₂₉FN₄O₂436.53
303106-74-3N'-(2-Ethoxybenzylidene)-3-(4-(octyloxy)phenyl)-1H-pyrazole-5-carbohydrazideC₂₇H₃₄N₄O₃462.59
303106-75-4N'-(4-Ethylbenzylidene)-3-(4-(octyloxy)phenyl)-1H-pyrazole-5-carbohydrazideC₂₇H₃₄N₄O₂446.60
303106-76-5N'-(4-Methylbenzylidene)-3-(4-(octyloxy)phenyl)-1H-pyrazole-5-carbohydrazideC₂₆H₃₂N₄O₂432.57
303106-77-6N'-(2-Methoxybenzylidene)-3-(4-(octyloxy)phenyl)-1H-pyrazole-5-carbohydrazideC₂₆H₃₂N₄O₃448.57
303106-78-7N'-(4-Isopropylbenzylidene)-3-(4-(octyloxy)phenyl)-1H-pyrazole-5-carbohydrazideC₂₈H₃₆N₄O₂460.62
303106-79-83-(1-Methyl-1H-pyrrol-2-yl)-N'-[(E)-(2,4,5-trimethoxyphenyl)methylidene]-1H-pyrazole-5-carbohydrazideC₁₉H₂₁N₅O₄383.41
303106-80-1N'-(4-Chlorobenzylidene)-5-(1-methyl-1H-pyrrol-2-yl)-1H-pyrazole-3-carbohydrazideC₁₆H₁₄ClN₅O327.77
303106-82-3N'-(4-Methylbenzylidene)-3-(1-ME-1H-pyrrol-2-yl)-1H-pyrazole-5-carbohydrazideC₁₇H₁₇N₅O307.36
303106-85-6N'-(2-Chlorobenzylidene)-3-(3-nitrophenyl)-1H-pyrazole-5-carbohydrazideC₁₇H₁₂ClN₅O₃369.77
303106-87-83-(3-Nitrophenyl)-N'-(2-thienylmethylene)-1H-pyrazole-5-carbohydrazideC₁₅H₁₁N₅O₃S341.35
303106-88-9N'-(1H-Indol-3-ylmethylene)-3-(3-nitrophenyl)-1H-pyrazole-5-carbohydrazideC₁₉H₁₄N₆O₃374.36
303106-89-0N'-(1-(4-Methoxyphenyl)ethylidene)3-(3-nitrophenyl)-1H-pyrazole-5-carbohydrazideC₁₉H₁₇N₅O₄379.38
303106-90-3N'-(1-(4-HO-3-Meo-PH)ethylidene)-3-(3-nitrophenyl)-1H-pyrazole-5-carbohydrazideC₁₉H₁₇N₅O₅395.38
303106-91-43-(4-(Benzyloxy)phenyl)-N'-((E)-(2-methyl-1H-indol-3-yl)methylidene)-1H-pyrazole-5-carbohydrazideC₂₇H₂₃N₅O₂449.51
303106-92-53-(4-(Benzyloxy)phenyl)-N'-(4-pyridinylmethylene)-1H-pyrazole-5-carbohydrazideC₂₃H₁₉N₅O₂397.44
303106-93-63-(4-(Benzyloxy)PH)N'-(4-(diethylamino)benzylidene)-1H-pyrazole-5-carbohydrazideC₂₈H₂₉N₅O₂467.57
303106-94-73-(5-Chloro-2-thienyl)-N'-(4-pyridinylmethylene)-1H-pyrazole-5-carbohydrazideC₁₄H₁₀ClN₅OS331.79
303106-95-83-(5-Chloro-2-thienyl)-N'-(2-ethoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₅ClN₄O₂S374.85
303106-96-93-(5-CL-2-Thienyl)-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazideC₁₈H₁₇ClN₄O₄S420.88
303106-97-03-(5-Chloro-2-thienyl)-N'-(2-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₁₁ClN₄O₂S346.80
303106-98-13-(5-Chloro-2-thienyl)-N'-(4-ethylbenzylidene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₅ClN₄OS358.85
303106-99-2N'-(4-Chlorobenzylidene)-3-(5-chloro-2-thienyl)-1H-pyrazole-5-carbohydrazideC₁₅H₁₀Cl₂N₄OS365.25
303107-00-83-(5-Chloro-2-thienyl)-N'-(2-thienylmethylene)-1H-pyrazole-5-carbohydrazideC₁₃H₉ClN₄OS₂336.83
303107-01-93-(5-Bromo-2-thienyl)-N'-(2,6-dichlorobenzylidene)-1H-pyrazole-5-carbohydrazideC₁₅H₉BrCl₂N₄OS444.14
303107-02-03-(5-Bromo-2-thienyl)-N'-(4-ethylbenzylidene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₅BrN₄OS403.31
303107-03-13-(5-Bromo-2-thienyl)-N'-(2-furylmethylene)-1H-pyrazole-5-carbohydrazideC₁₃H₉BrN₄O₂S365.21
303107-04-23-(5-Bromo-2-thienyl)-N'-(4-methylbenzylidene)-1H-pyrazole-5-carbohydrazideC₁₆H₁₃BrN₄OS389.28
303107-05-33-(5-BR-2-Thienyl)-N'-(3-ethoxy-4-HO-benzylidene)-1H-pyrazole-5-carbohydrazideC₁₇H₁₅BrN₄O₃S435.30
303107-06-4N'-Benzylidene-3-(4-isobutylphenyl)-1H-pyrazole-5-carbohydrazideC₂₁H₂₂N₄O346.43
303107-07-53-(4-Isobutylphenyl)-N'-(2-thienylmethylene)-1H-pyrazole-5-carbohydrazideC₁₉H₂₀N₄OS352.46
303107-08-6N'-(3-Ethoxy-4-HO-benzylidene)-3-(4-isobutylphenyl)-1H-pyrazole-5-carbohydrazideC₂₃H₂₆N₄O₃406.49
303107-09-74-[9-Chloro-2-(2-furyl)-1,10B-dihydropyrazolo[1,5-C][1,3]benzoxazin-5-yl]-N,N-dimethylanilineC₂₂H₂₀ClN₃O₂393.87
303107-10-05'-Bromo-9-chloro-2-(furan-2-yl)-1,10b-dihydrospiro(benzo(e)pyrazolo(1,5-c)(1,3)oxazine-5,3'-indolin)-2'-oneC₂₁H₁₃BrClN₃O₃470.71
303107-11-19-Bromo-2-(4-fluorophenyl)-1'-propyl-1,10B-dihydrospiro(benzo(E)pyrazolo(1,5-C)(1,3)oxazine-5,4'-piperidine)C₂₃H₂₅BrFN₃O458.38
303107-12-25-(1-Acetyl-1H-indol-3-yl)-2-(4-bromophenyl)-7,9-dichloro-1,10B-dihydropyrazolo[1,5-C][1,3]benzoxazineC₂₆H₁₈BrCl₂N₃O₂555.26
303107-13-32-(4-BR-PH)-7,9-DI-CL-5-(2-CL-PH)-1,10B-Dihydropyrazolo(1,5-C)(1,3)benzoxazineC₂₂H₁₄BrCl₃N₂O508.63
303107-14-47,9-Dichloro-5-(2-methoxyphenyl)-2-(2-naphthyl)-1,10B-dihydropyrazolo(1,5-C)(1,3)benzoxazineC₂₇H₂₀Cl₂N₂O₂475.38
303107-15-57,9-Dichloro-5-(2-chlorophenyl)-2-(2-naphthyl)-1,10B-dihydropyrazolo(1,5-C)(1,3)benzoxazineC₂₆H₁₇Cl₃N₂O479.79
303107-16-6N-(4-(9-Bromo-2-(4-fluorophenyl)-1,10B-dihydropyrazolo(1,5-C)(1,3)benzoxazin-5-yl)phenyl)-N,N-dimethylamineC₂₄H₂₁BrFN₃O466.35
303107-17-74-[2-(4-Bromophenyl)-7,9-dichloro-1,10B-dihydropyrazolo[1,5-C][1,3]benzoxazin-5-yl]-N,N-dimethylanilineC₂₄H₂₀BrCl₂N₃O517.25
303107-18-82-(((3,5-Dimethyl-4H-1,2,4-triazol-4-yl)imino)methyl)-4,6-diiodophenolC₁₁H₁₀I₂N₄O468.04
303107-19-92,4-Diiodo-6-(((4-(2-methoxyphenyl)-1-piperazinyl)imino)methyl)phenolC₁₈H₁₉I₂N₃O₂563.18
303107-20-22-(((4-(4-Chlorobenzyl)-1-piperazinyl)imino)methyl)-4,6-diiodophenolC₁₈H₁₈ClI₂N₃O581.62
303107-21-32-{[5-(4-Chlorophenyl)-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-(3,5-dibromo-2-hydroxyphenyl)methylidene]acetohydrazideC₂₄H₁₈Br₂ClN₅O₂S635.77
303107-22-42-{[5-(4-Chlorophenyl)-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-(9-ethyl-9H-carbazol-3-yl)methylidene]acetohydrazideC₃₂H₂₇ClN₆OS579.13
303107-23-52-((5-(4-Chlorophenyl)-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl)sulfanyl)-N'-((E)-(2-hydroxy-3,5-diiodophenyl)methylidene)acetohydrazideC₂₄H₁₈ClI₂N₅O₂S729.77
303107-24-62-((5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl)-N'-((E)-(3,5-dibromo-2-hydroxyphenyl)methylidene)acetohydrazideC₂₇H₂₅Br₂N₅O₂S643.40
303107-25-72-{[5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-(9-ethyl-9H-carbazol-3-yl)methylidene]acetohydrazideC₃₅H₃₄N₆OS586.76
303107-26-82-((5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl)-N'-((E)-(2-hydroxy-3,5-diiodophenyl)methylidene)acetohydrazideC₂₇H₂₅I₂N₅O₂S737.40
303107-27-9(2E)-2-[({[5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}acetyl)hydrazono]-N-ethylethanethioamideC₂₄H₂₈N₆OS₂480.66
303107-28-02-((5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl)-N'-((E)-2-pyridinylmethylidene)acetohydrazideC₂₆H₂₆N₆OS470.60
303107-32-6N'-((E)-1-(4-Bromophenyl)ethylidene)-2-((5-(4-tert-butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl)acetohydrazideC₂₈H₂₈BrN₅OS562.54
303107-36-02-{[5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-1-(4-pyridinyl)ethylidene]acetohydrazideC₂₇H₂₈N₆OS484.63
303107-37-12-{[5-(4-tert-Butylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-1-(4-fluorophenyl)ethylidene]acetohydrazideC₂₈H₂₈FN₅OS501.63
303107-39-34-(2-((1,3-Benzothiazol-2-ylthio)AC)carbohydrazonoyl)-2-methoxyphenyl acetateC₁₉H₁₇N₃O₄S₂415.50
303107-40-62-(1,3-Benzothiazol-2-ylthio)-N'-(4-chloro-3-nitrobenzylidene)acetohydrazideC₁₆H₁₁ClN₄O₃S₂406.88
303107-41-72-(1,3-Benzothiazol-2-ylthio)-N'-(2,4,6-trimethoxybenzylidene)acetohydrazideC₁₉H₁₉N₃O₄S₂417.51
303107-42-82-(1,3-Benzothiazol-2-ylthio)N'-((9-ET-9H-carbazol-3-yl)methylene)acetohydrazideC₂₄H₂₀N₄OS₂444.58
303107-43-92-(1,3-Benzothiazol-2-ylthio)-N'-(3-bromo-4-methoxybenzylidene)acetohydrazideC₁₇H₁₄BrN₃O₂S₂436.36
303107-44-02-(1,3-Benzothiazol-2-ylthio)-N'-(5-bromo-2-fluorobenzylidene)acetohydrazideC₁₆H₁₁BrFN₃OS₂424.32
303107-45-12-(1,3-Benzothiazol-2-ylthio)-N'-((1,1'-biphenyl)-4-ylmethylene)acetohydrazideC₂₂H₁₇N₃OS₂403.53

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