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Archive for the 'Dye intermediates' Category

4-Formamido-5-hydroxynaphthalene-2,7-disulfonic acid

Name: 4-Formamido-5-hydroxynaphthalene-2,7-disulfonic acid CA Name: 2,7-Naphthalenedisulfonic acid,4-(benzoylamino)-5-hydroxy- Molecular Structure: Molecular Formula:C11H9NO8S2 Molecular Weight: 347.32 CAS Registry Number: 117-46-4

3-Hydroxy-2-naphthamide

Name: 3-Hydroxy-2-naphthamide CA Name: 2-Naphthalenecarboxamide,3-hydroxy- Molecular Structure: Molecular Formula:C11H9NO2 Molecular Weight: 187.19 CAS Registry Number: 3665-51-8

1-(2-Chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid

Name: 1-(2-Chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid CA Name: 1H-Pyrazole-3-carboxylicacid,1-2-chloro-6-methyl-4-sulfophenyl)-4,5 -dihydro-5-oxo-monosodium salt Molecular Structure: Molecular Formula:C11H9ClN2O6S Molecular Weight: 332.72 CAS Registry Number: 125437-42-5

3,5-Dihydroxy-7-sulfo-2-naphthoic acid

Name: 3,5-Dihydroxy-7-sulfo-2-naphthoic acid CA Name: 2-Naphthoic acid,3,5-dihydroxy-7-sulfo- Molecular Structure: Molecular Formula:C11H8O7S Molecular Weight: 284.24 CAS Registry Number: 6407-90-5

1-Hydroxy-7-sulfo-2-naphthoic acid

Name: 1-Hydroxy-7-sulfo-2-naphthoic acid CA Name: 2-Naphthoic acid,1-hydroxy-7-sulfo- Molecular Structure: Molecular Formula:C11H8O8S Molecular Weight: 268.24 CAS Registry Number: 6407-91-6