DIRECT RED 73
UNII 22G2CBI4TO

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Red 73, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 22G2CBI4TO.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6460-01-1 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

22G2CBI4TO

CAS Registry Number

6460-01-1

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

DIRECT RED 73

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C38H25N6O12S3.3Na

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

ATRALPSKQPQOTB-NHBKGLTJSA-K

Line notation for describing the chemical structure and connectivity of atoms.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

[Na+].c1(S([O-])(=O)=O)c(/N=N/c2c(C)cccc2)c(O)c3c(c1)cc(NC(Nc4cc5cc(S([O-])(=O)=O)c(c(c5cc4)O)/N=N/c6cc7c(cc(S([O-])(=O)=O)cc7)cc6)=O)cc3.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Red 73. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

Common Names & Synonyms

C.I. DIRECT RED 73

C.I. DIRECT RED 73, TRISODIUM SALT

DIRECT RED 73

Systematic Nomenclature

2-NAPHTHALENESULFONIC ACID, 4-HYDROXY-7-((((5-HYDROXY-6-(2-(2-METHYLPHENYL)DIAZENYL)-7-SULFO-2-NAPHTHALENYL)AMINO)CARBONYL)AMINO)-3-(2-(6-SULFO-2-NAPHTHALENYL)DIAZENYL)-, SODIUM SALT (1:3)

SYS

Technical Codes

C.I. 29180

CI 29180

NSC-58057

External Clinical & Regulatory Resources

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