DIRECT BROWN 25
UNII 77QS9AIW2V

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Brown 25, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 77QS9AIW2V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 33363-87-0 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

77QS9AIW2V

CAS Registry Number

33363-87-0

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

DIRECT BROWN 25

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

InChIKey

C47H34N14O6S.2Na

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

LYLOTUQQMDFHHJ-JBBGMNHDSA-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+].C(c1c(O)ccc(c1)/N=N/c2ccc(cc2)-c3ccc(cc3)/N=N/c4c(cc(c5ccccc45)/N=N/c6c(c(c(cc6)N)N)/N=N/c7cc(ccc7)/N=N/c8c(cc(cc8)N)N)S(=O)(=O)[O-])(=O)[O-].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Brown 25. 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 BROWN 25

CI 36030

DIRECT BROWN 25

Brand / Trade Names

BENZANIL CATECHINE G

FIXANOL CATECHINE GR

Systematic Nomenclature

BENZOIC ACID, 5-((4'-((4-((DIAMINO((3-((2,4-DIAMINOPHENYL)AZO)PHENYL)AZO)PHENYL)AZO)SULFO-1-NAPHTHALENYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)-2-HYDROXY-, DISODIUM SALT

SYS

DISODIUM 5-((4'-((4-((DIAMINO((3-((2,4-DIAMINOPHENYL)AZO)PHENYL)AZO)PHENYL)AZO)SULPHONATO-1-NAPHTHYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)SALICYLATE

SYS

Technical Codes

C.I. 36030

External Clinical & Regulatory Resources

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