Direct Red 16
[CAS# 6227-02-7]

Identification

• Name: Direct Red 16
• Synonyms: Disodium (3E)-7-[(N'z)-N'-(6-Amino-1-Oxo-3-Sulfonato-2-Naphthylidene)Hydrazino]-4-Oxo-3-(Phenylhydrazono)Naphthalene-2-Sulfonate; Disodium (3E)-7-[(N'z)-N'-(6-Amino-1-Oxo-3-Sulfonato-2-Naphthylidene)Hydrazino]-4-Oxo-3-(Phenylhydrazono)-2-Naphthalenesulfonate; Disodium (3E)-7-[(N'z)-N'-(6-Amino-1-Keto-3-Sulfonato-2-Naphthylidene)Hydrazino]-4-Keto-3-(Phenylhydrazono)Naphthalene-2-Sulfonate
• Molecular Formula: C₂₆H₁₇N₅Na₂O₈S₂
• Molecular Weight: 637.55
• CAS Registry Number: 6227-02-7
• EINECS: 228-323-4
• SMILES: C3=C(N\N=C1/C(=CC2=C(C1=O)C=CC(=C2)N)[S]([O-])(=O)=O)C=CC5=C3C=C([S]([O-])(=O)=O)/C(=N/NC4=CC=CC=C4)C5=O.[Na+].[Na+]
• InChI: 1S/C26H19N5O8S2.2Na/c27-16-6-8-19-14(10-16)12-21(40(34,35)36)24(25(19)32)31-29-18-7-9-20-15(11-18)13-22(41(37,38)39)23(26(20)33)30-28-17-4-2-1-3-5-17;;/h1-13,28-29H,27H2,(H,34,35,36)(H,37,38,39);;/q;2*+1/p-2/b30-23-,31-24+
• InChIKey: KNZOIDDFJVQVDM-NJXRNGNASA-L