DIRECT BROWN 191
UNII E5QSL16799

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Brown 191, uniquely identified by the FDA Unique Ingredient Identifier (UNII) E5QSL16799.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 10190-66-6 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
E5QSL16799
CAS Registry Number
10190-66-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT BROWN 191
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C12H11N4O3S.Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
UMTLYUSRNLIFQI-GEEYTBSJSA-M
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(/N=N/c2c(cc(N)cc2)N)ccc(S(=O)(=O)[O-])cc1.[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Brown 191. 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

BENZENESULFONIC ACID, 4-((2,4-DIAMINOPHENYL)AZO)-, MONOSODIUM SALT
BROWN FK COMPONENT SODIUM 4-(2,4-DIAMINOPHENYLAZO)BENZENESULPHONATE
C.I. 13220
CI DIRECT BROWN 191
DIRECT BROWN 191
PADDING BROWN J

Systematic Nomenclature

BENZENESULFONIC ACID, 4-(2-(2,4-DIAMINOPHENYL)DIAZENYL)-, SODIUM SALT (1:1)