DIRECT BLACK 19
UNII B91N7SNH1C

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Black 19, uniquely identified by the FDA Unique Ingredient Identifier (UNII) B91N7SNH1C.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6428-31-5 and the RxNorm Concept ID (RxCUI) 2289222. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

B91N7SNH1C

CAS Registry Number

6428-31-5

RxNorm Concept ID

2289222

Detailed Substance Profile

Preferred Name

DIRECT BLACK 19

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

Molecular Formula

B91N7SNH1C

The specific atomic composition represented as a molecular structure string.

InChIKey

C34H27N13O7S2.2Na

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

UZZFFIUHUDOYPS-FVFGOVLKSA-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+].Nc1c2c(cc(c(c2O)/N=N/c3ccc(cc3)/N=N/c4c(N)cc(cc4)N)S(=O)(=O)[O-])cc(c1/N=N/c5ccc(cc5)/N=N/c6c(N)cc(cc6)N)S(=O)(=O)[O-].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Black 19. 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.