DIRECT RED 23
UNII V7W6L6R35U

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Red 23, uniquely identified by the FDA Unique Ingredient Identifier (UNII) V7W6L6R35U.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 3441-14-3 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

V7W6L6R35U

CAS Registry Number

3441-14-3

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

DIRECT RED 23

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

InChIKey

C35H25N7O10S2.2Na

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

NLMHXPDMNXMQBY-KWQKICJSSA-L

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+].c1ccc(cc1)/N=N/c2c(S([O-])(=O)=O)cc3c(ccc(c3)NC(=O)Nc4ccc5c(O)c(c(S([O-])(=O)=O)cc5c4)\N=N\c6ccc(NC(=O)C)cc6)c2O.[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Red 23. 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.

FDA Official Name

DIRECT RED 23

Common Names & Synonyms

2-NAPHTHALENESULFONIC ACID, 3-((4-(ACETYLAMINO)PHENYL)AZO)-4-HYDROXY-7-((((5-HYDROXY-6-(PHENYLAZO)-7-SULFO-2-NAPHTHALENYL)AMINO)CARBONYL)AMINO)-, DISODIUM SALT

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

3-((4-(ACETYLAMINO)PHENYL)AZO)-4-HYDROXY-7-((((5-HYDROXY-6-(PHENYLAZO)-7-SULFO-2-NAPHTHALENYL)AMINO)CARBONYL)AMINO)-2-NAPHTHALENESULFONIC ACID, DISODIUM SALT

C.I. DIRECT RED 23

CI 29160

FAST SCARLET 4BSA