CAS number index

CAS numbers starting with 303, page 6

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

Showing 501 to 600 of 2,703 chemicals

CAS numberChemical nameFormulaMol. weight

303063-46-9N'-(3-Bromo-5-hydroxy-4-methoxybenzylidene)benzohydrazideC₁₅H₁₃BrN₂O₃349.18
303063-48-14-Hydroxy-N'-(3-methoxybenzylidene)benzohydrazideC₁₅H₁₄N₂O₃270.29
303063-53-8N'-(4-Hydroxy-3-methoxybenzylidene)-2-(2-naphthyloxy)acetohydrazideC₂₀H₁₈N₂O₄350.37
303063-56-12-Iodo-N'-(4-methylbenzylidene)benzohydrazideC₁₅H₁₃IN₂O364.19
303063-60-72-Iodo-N'-(4-methoxybenzylidene)benzohydrazideC₁₅H₁₃IN₂O₂380.19
303063-66-3N'-(4-Methylbenzylidene)-2-(1-naphthyloxy)acetohydrazideC₂₀H₁₈N₂O₂318.38
303063-75-4N'-(3-Methoxybenzylidene)-4-methylbenzohydrazideC₁₆H₁₆N₂O₂268.32
303063-78-74-Hydroxy-3-methoxybenzaldehyde N-phenylsemicarbazoneC₁₅H₁₅N₃O₃285.30
303063-81-24-Hydroxy-N'-(4-methylcyclohexylidene)benzohydrazideC₁₄H₁₈N₂O₂246.31
303063-90-3N'-Benzylidene-2-(4-bromophenoxy)acetohydrazideC₁₅H₁₃BrN₂O₂333.19
303063-93-64-Hydroxy-N'-(2-methoxybenzylidene)benzohydrazideC₁₅H₁₄N₂O₃270.29
303063-95-84-(2-(Aminocarbothioyl)carbohydrazonoyl)phenyl 4-chlorobenzoateC₁₅H₁₂ClN₃O₂S333.80
303063-99-24-Chloro-N'-(4-hydroxybenzylidene)benzohydrazideC₁₄H₁₁ClN₂O₂274.71
303064-04-2N'-(4-Butoxybenzylidene)decanohydrazideC₂₁H₃₄N₂O₂346.51
303064-06-4N'-(4-Methylbenzylidene)-2-(4-nitrophenoxy)acetohydrazideC₁₆H₁₅N₃O₄313.31
303064-09-74-Hydroxy-N'-(3-nitrobenzylidene)benzohydrazideC₁₄H₁₁N₃O₄285.26
303064-13-33-Bromo-N'-(2,4-dichlorobenzylidene)benzohydrazideC₁₄H₉BrCl₂N₂O372.05
303064-16-62-(4-Chlorophenoxy)-N'-(4-ethoxybenzylidene)propanohydrazideC₁₈H₁₉ClN₂O₃346.81
303064-19-94-({[(3-Carboxy-5-methylfuran-2-yl)methyl]sulfanyl}methyl)-5-methylfuran-2-carboxylic acidC₁₄H₁₄O₆S310.33
303064-21-32-(1,3-Benzothiazol-2-ylsulfanyl)-N-(2-fluorophenyl)acetamideC₁₅H₁₁FN₂OS₂318.40
303064-22-4N'-Cyclohexylidene-2-(3-toluidino)acetohydrazideC₁₅H₂₁N₃O259.35
303064-25-72-(4-Chlorophenoxy)-N'-(2,4-dihydroxybenzylidene)acetohydrazideC₁₅H₁₃ClN₂O₄320.73
303064-27-9N'-(5-Bromo-2-hydroxybenzylidene)-2-(1-naphthyloxy)acetohydrazideC₁₉H₁₅BrN₂O₃399.24
303064-28-0N'-(4-Hydroxybenzylidene)-2-(3-methylphenoxy)acetohydrazideC₁₆H₁₆N₂O₃284.31
303064-29-12-(4-Bromophenoxy)-N'-(4-tert-butylcyclohexylidene)acetohydrazideC₁₈H₂₅BrN₂O₂381.31
303064-31-52-(5-Isopropyl-2-methylphenoxy)-N'-(3-methoxybenzylidene)acetohydrazideC₂₀H₂₄N₂O₃340.42
303064-33-72-(4-Bromophenoxy)-N'-(4-methoxybenzylidene)acetohydrazideC₁₆H₁₅BrN₂O₃363.21
303064-37-12-(4-Chlorophenoxy)-N'-(2,4-dihydroxybenzylidene)propanohydrazideC₁₆H₁₅ClN₂O₄334.76
303064-39-3N'-(4-Nitrobenzylidene)-2-(4-nitrophenoxy)acetohydrazideC₁₅H₁₂N₄O₆344.28
303064-41-7N'-(5-Bromo-2-hydroxybenzylidene)-2-(4-bromophenoxy)acetohydrazideC₁₅H₁₂Br₂N₂O₃428.08
303064-42-8N-(3,3-Diphenylpropyl)pyridine-3-carboxamideC₂₁H₂₀N₂O316.40
303064-43-92-((1,1'-Biphenyl)-4-yloxy)-N'-(4-methoxybenzylidene)acetohydrazideC₂₂H₂₀N₂O₃360.41
303064-45-1N'-(3-Methoxybenzylidene)decanohydrazideC₁₈H₂₈N₂O₂304.43
303064-46-2N'-(3-Methoxybenzylidene)-2-(1-naphthyloxy)acetohydrazideC₂₀H₁₈N₂O₃334.38
303064-47-33-Methyl-5-(phenoxymethyl)furan-2-carboxylic acidC₁₃H₁₂O₄232.24
303064-48-42-(2-Methoxyphenoxy)acetic acid 2-((5-bromo-2-hydroxyphenyl)methylene)hydrazideC₁₆H₁₅BrN₂O₄379.21
303064-52-0N'-(3-Methoxybenzylidene)dodecanohydrazideC₂₀H₃₂N₂O₂332.49
303064-58-6N'-(4-(Diethylamino)benzylidene)-2-(2-toluidino)acetohydrazideC₂₀H₂₆N₄O338.45
303064-66-64-(2-((4-Chlorophenoxy)acetyl)carbohydrazonoyl)phenyl benzoateC₂₂H₁₇ClN₂O₄408.84
303064-69-9N'-(2-Furylmethylene)-2-(4-nitrophenoxy)acetohydrazideC₁₃H₁₁N₃O₅289.25
303064-75-7N'-(3-Methoxybenzylidene)-2-phenoxyacetohydrazideC₁₆H₁₆N₂O₃284.31
303064-78-02-(1-Methyltetrazol-5-yl)sulfanyl-N-(2,4,6-trimethylphenyl)propanamideC₁₄H₁₉N₅OS305.41
303064-79-1N'-(4-Ethoxybenzylidene)-2-(1-naphthyloxy)acetohydrazideC₂₁H₂₀N₂O₃348.40
303064-85-92-(4-Bromophenoxy)-N'-(4-nitrobenzylidene)acetohydrazideC₁₅H₁₂BrN₃O₄378.18
303064-88-2N-(2-Fluorophenyl)-2-pyridin-2-ylsulfanylacetamideC₁₃H₁₁FN₂OS262.31
303064-89-3N'-(4-(Benzyloxy)benzylidene)-2-(4-bromophenoxy)acetohydrazideC₂₂H₁₉BrN₂O₃439.31
303064-91-72-(4-(Benzyloxy)phenoxy)-N'-(4-methoxybenzylidene)acetohydrazideC₂₃H₂₂N₂O₄390.44
303064-92-84-tert-Butyl-N-(1,3-thiazol-2-yl)benzamideC₁₄H₁₆N₂OS260.36
303064-93-9N'(1),N'(9)-Bis(4-methoxybenzylidene)nonanedihydrazideC₂₅H₃₂N₄O₄452.56
303064-94-03-(1-Methylhydrazino)-1,2-benzisothiazole 1,1-dioxideC₈H₉N₃O₂S211.25
303064-95-15-Bromo-2-hydroxybenzoic acid 2-[1-(4-methylphenyl)ethylidene]hydrazideC₁₆H₁₅BrN₂O₂347.21
303064-97-3N'-Benzylidene-2-(2-toluidino)acetohydrazideC₁₆H₁₇N₃O267.33
303064-99-54-((2-(2-(4-Bromophenoxy)acetyl)hydrazinylidene)methyl)phenyl 4-chlorobenzoateC₂₂H₁₆BrClN₂O₄487.74
303065-01-2N'-(5-Bromo-2-hydroxybenzylidene)-2-(3-methylphenoxy)acetohydrazideC₁₆H₁₅BrN₂O₃363.21
303065-03-4N'-(4-Hydroxybenzylidene)decanohydrazideC₁₇H₂₆N₂O₂290.41
303065-05-6N'-(3-Nitrobenzylidene)-2-(2-toluidino)acetohydrazideC₁₆H₁₆N₄O₃312.33
303065-07-8N'-(4-Methoxybenzylidene)-2-(3-methylphenoxy)acetohydrazideC₁₇H₁₈N₂O₃298.34
303065-08-9N-(1,3-Benzodioxol-5-ylmethyl)-4-fluorobenzenesulfonamideC₁₄H₁₂FNO₄S309.32
303065-14-7N'-(5-Bromo-2,4-dimethoxybenzylidene)benzohydrazideC₁₆H₁₅BrN₂O₃363.21
303065-15-8N'-(2,4-Dihydroxybenzylidene)-2-iodobenzohydrazideC₁₄H₁₁IN₂O₃382.16
303065-18-12-(3-Methylphenoxy)acetic acid 2-((3-methoxyphenyl)methylene)hydrazideC₁₇H₁₈N₂O₃298.34
303065-24-9N'-Benzylidene-2-(2-naphthyloxy)acetohydrazideC₁₉H₁₆N₂O₂304.35
303065-26-13-Nitro-N'-(3-nitrobenzylidene)benzohydrazideC₁₄H₁₀N₄O₅314.26
303065-28-32-(4-Chlorophenoxy)-N'-(4-methylbenzylidene)propanohydrazideC₁₇H₁₇ClN₂O₂316.79
303065-31-8N'-(3-Methoxybenzylidene)-2-(2-naphthyloxy)acetohydrazideC₂₀H₁₈N₂O₃334.38
303065-35-2N'-(4-Ethoxybenzylidene)-2-(4-nitrophenoxy)acetohydrazideC₁₇H₁₇N₃O₅343.34
303065-37-4N'-(2-Hydroxy-3-methoxybenzylidene)-2-(1-naphthyloxy)acetohydrazideC₂₀H₁₈N₂O₄350.37
303065-39-6N'-(4-(Diethylamino)benzylidene)-2-(3-toluidino)acetohydrazideC₂₀H₂₆N₄O338.45
303065-41-0N'-(2-Furylmethylene)decanohydrazideC₁₅H₂₄N₂O₂264.37
303065-44-3N'-(2-Hydroxybenzylidene)-2-(3-toluidino)acetohydrazideC₁₆H₁₇N₃O₂283.33
303065-46-53-Bromobenzoic acid 2-[(3-hydroxy-4-methoxyphenyl)methylene]hydrazideC₁₅H₁₃BrN₂O₃349.18
303065-48-7N-(2-Fluorophenyl)-2-quinolin-8-ylsulfanylacetamideC₁₇H₁₃FN₂OS312.37
303065-50-12-Chloro-5-methylsulfanyl-N-(1,3-thiazol-2-yl)benzamideC₁₁H₉ClN₂OS₂284.79
303065-52-3N'-(4-Methylbenzylidene)-2-(3-methylphenoxy)acetohydrazideC₁₇H₁₈N₂O₂282.34
303065-54-5N'(1),N'(8)-DibenzylideneoctanedihydrazideC₂₂H₂₆N₄O₂378.48
303065-56-7N'-(2-Furylmethylene)-2-(2-toluidino)acetohydrazideC₁₄H₁₅N₃O₂257.29
303065-64-72-(4-Chlorophenoxy)-N'-(4-methoxybenzylidene)propanohydrazideC₁₇H₁₇ClN₂O₃332.79
303065-67-0N'-(2,4-Dichlorobenzylidene)-3-nitrobenzohydrazideC₁₄H₉Cl₂N₃O₃338.15
303065-69-24-(2-((4-Methylphenyl)sulfonyl)carbohydrazonoyl)phenyl 4-chlorobenzoateC₂₁H₁₇ClN₂O₄S428.90
303065-71-63-Hydroxy-4-methoxybenzaldehyde (4-nitrophenyl)hydrazoneC₁₄H₁₃N₃O₄287.27
303065-73-82-(4-(Benzyloxy)phenoxy)-N'-(3-methoxybenzylidene)propanohydrazideC₂₄H₂₄N₂O₄404.47
303065-75-04-Methoxy-N'-(3-methoxybenzylidene)benzohydrazideC₁₆H₁₆N₂O₃284.31
303065-77-2N'-(2-Hydroxy-3-methoxybenzylidene)-2-(4-nitrophenoxy)acetohydrazideC₁₆H₁₅N₃O₆345.31
303065-81-8N'-(4-Ethoxybenzylidene)decanohydrazideC₁₉H₃₀N₂O₂318.46
303065-83-0N'-(3-Bromo-5-hydroxy-4-methoxybenzylidene)-2-(3-toluidino)acetohydrazideC₁₇H₁₈BrN₃O₃392.25
303065-85-2N'-(4-Hydroxybenzylidene)-2-iodobenzohydrazideC₁₄H₁₁IN₂O₂366.16
303065-87-42-(4-Bromophenoxy)-N'-(2-furylmethylene)acetohydrazideC₁₃H₁₁BrN₂O₃323.15
303065-91-0N'-(2,4-Dihydroxybenzylidene)-2-(2-naphthyloxy)acetohydrazideC₁₉H₁₆N₂O₄336.35
303065-92-1N'-(3-Bromo-4-hydroxy-5-methoxybenzylidene)-3-nitrobenzohydrazideC₁₅H₁₂BrN₃O₅394.18
303065-94-3N'-(4-Methoxybenzylidene)-2-(2-naphthyloxy)acetohydrazideC₂₀H₁₈N₂O₃334.38
303065-96-5N'-Benzylidene-2-((1,1'-biphenyl)-4-yloxy)acetohydrazideC₂₁H₁₈N₂O₂330.39
303065-97-65-Bromo-N'-(4-(diethylamino)benzylidene)-2-hydroxybenzohydrazideC₁₈H₂₀BrN₃O₂390.28
303065-98-75,6-Dimethyl-4-piperidin-1-ylthieno[2,3-d]pyrimidineC₁₃H₁₇N₃S247.37
303066-01-55-Bromo-N'-(5-bromo-2,4-dimethoxybenzylidene)-2-hydroxybenzohydrazideC₁₆H₁₄Br₂N₂O₄458.11
303066-03-7N'-(3-Hydroxy-4-methoxybenzylidene)-2-(2-toluidino)acetohydrazideC₁₇H₁₉N₃O₃313.36
303066-05-95-Bromo-N'-(2,4-dichlorobenzylidene)-2-hydroxybenzohydrazideC₁₄H₉BrCl₂N₂O₂388.05
303066-06-0N-Benzyl-1-methyl-4-nitro-1H-pyrazole-3-carboxamideC₁₂H₁₂N₄O₃260.25
303066-07-1N'-(2-Hydroxy-3-methoxybenzylidene)-2-(3-methylphenoxy)acetohydrazideC₁₇H₁₈N₂O₄314.34
303066-09-32-(4-Bromophenoxy)-N'-(2-methoxybenzylidene)acetohydrazideC₁₆H₁₅BrN₂O₃363.21
303066-10-6N'-(3-Bromo-4-hydroxy-5-methoxybenzylidene)-2-hydroxybenzohydrazideC₁₅H₁₃BrN₂O₄365.18

All pages for 303 (28 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.