ERIOCHROME BLACK A, FREE ACID
UNII 92V9SVJ8HA

Substance Identification & Data

This profile provides standardized clinical and technical data for Eriochrome Black A, Free Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 92V9SVJ8HA.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 16279-54-2 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

92V9SVJ8HA

CAS Registry Number

16279-54-2

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

ERIOCHROME BLACK A, FREE ACID

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

InChIKey

C20H13N3O7S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

SXYCCJAPZKHOLS-QURGRASLSA-N

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

S(=O)(=O)(O)c1c2c(c(/N=N/c3c4c(ccc3O)cccc4)c(O)c1)ccc([N+]([O-])=O)c2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Eriochrome Black A, Free Acid. 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.