DIRECT BROWN 31
UNII H1UGX66R5X

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Brown 31, uniquely identified by the FDA Unique Ingredient Identifier (UNII) H1UGX66R5X.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2429-81-4 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
H1UGX66R5X
CAS Registry Number
2429-81-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT BROWN 31
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C46H30N10O13S3.4Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DWAUTGHCJRNULO-LDHHNXPKSA-J
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(=O)(c1c(ccc(c1)/N=N/c2ccc(-c3ccc(cc3)/N=N/c4c(c(cc(c4N)C)/N=N/c5cc6c(cc(c(c6O)/N=N/c7c8c(cccc8)c(cc7)S(=O)(=O)[O-])S(=O)(=O)[O-])cc5S(=O)(=O)[O-])N)cc2)O)[O-].[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Brown 31. 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 31
C.I. DIRECT BROWN 31, TETRASODIUM SALT
CI DIRECT BROWN 31
CI DIRECT BROWN 31, TETRASODIUM SALT
DIRECT BROWN 31

Systematic Nomenclature

BENZOIC ACID, 5-((4'-((2,6-DIAMINO-3-((8-HYDROXY-3,6-DISULFO-7-((4-SULFO-1-NAPHTHALENYL)AZO)-2-NAPHTHALENYL)AZO)-5-METHYLPHENYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)-2-HYDROXY-, TETRASODIUM SALT
BENZOIC ACID, 5-(2-(4'-(2-(2,6-DIAMINO-3-(2-(8-HYDROXY-3,6-DISULFO-7-(2-(4-SULFO-1-NAPHTHALENYL)DIAZENYL)-2-NAPHTHALENYL)DIAZENYL)-5-METHYLPHENYL)DIAZENYL)(1,1'-BIPHENYL)-4-YL)DIAZENYL)-2-HYDROXY-, SODIUM SALT (1:4)

Technical Codes

C.I. 35660
CI 35660

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
Inxight Drugs
NLM
DailyMed Products
NCATS
GSRS Full Record