Direct Red 121
[CAS# 5979-32-8]

Identification

• Name: Direct Red 121
• Synonyms: Disodium (3E)-7-[(4-Aminobenzoyl)Amino]-3-[[3-Methyl-4-(3-Sulfonatophenyl)Azo-Phenyl]Hydrazono]-4-Oxo-Naphthalene-2-Sulfonate; Disodium (3E)-7-[[(4-Aminophenyl)-Oxomethyl]Amino]-3-[[3-Methyl-4-(3-Sulfonatophenyl)Azophenyl]Hydrazono]-4-Oxo-2-Naphthalenesulfonate; Disodium (3E)-7-[(4-Aminobenzoyl)Amino]-4-Keto-3-[[3-Methyl-4-(3-Sulfonatophenyl)Azo-Phenyl]Hydrazono]Naphthalene-2-Sulfonate
• Molecular Formula: C₃₀H₂₂N₆Na₂O₈S₂
• Molecular Weight: 704.64
• CAS Registry Number: 5979-32-8
• EINECS: 227-785-4
• SMILES: C2=C(NC(=O)C1=CC=C(N)C=C1)C=CC5=C2C=C([S]([O-])(=O)=O)/C(=N/NC4=CC(=C(N=NC3=CC(=CC=C3)[S]([O-])(=O)=O)C=C4)C)C5=O.[Na+].[Na+]
• InChI: 1S/C30H24N6O8S2.2Na/c1-17-13-23(10-12-26(17)35-33-22-3-2-4-24(16-22)45(39,40)41)34-36-28-27(46(42,43)44)15-19-14-21(9-11-25(19)29(28)37)32-30(38)18-5-7-20(31)8-6-18;;/h2-16,34H,31H2,1H3,(H,32,38)(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b35-33?,36-28-
• InChIKey: JQHQQNMEPXFLSE-KZXMVHEYSA-L