DIRECT BLACK 3 FREE ACID
UNII UIT0U544O0

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Black 3 Free Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) UIT0U544O0.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 224790-31-2 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

UIT0U544O0

CAS Registry Number

224790-31-2

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

DIRECT BLACK 3 FREE ACID

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

InChIKey

C26H19N5O4S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

NQZIRZFUIYEPSW-DUJDKOHPSA-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

N(=N/c1c(S(=O)(=O)O)cc2c(c1O)cc(cc2)N)\c3c4c(c(cc3)/N=N/c5ccccc5)cccc4

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Black 3 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.