ACID RED 13 FREE ACID
UNII Z2YU5XQ86Z

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Red 13 Free Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Z2YU5XQ86Z.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 25317-26-4 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
Z2YU5XQ86Z
CAS Registry Number
25317-26-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ACID RED 13 FREE ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C20H14N2O7S2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
NLWPUNWFCUWCEU-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(cc1)/N=N/c3c4c(cc(cc4)S(=O)(=O)O)ccc3O)cccc2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Red 13 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.

Common Names & Synonyms

ACID RED 13 FREE ACID
C.I. ACID RED 13 FREE ACID

Systematic Nomenclature

1-NAPHTHALENESULFONIC ACID, 4-(2-(2-HYDROXY-6-SULFO-1-NAPHTHALENYL)DIAZENYL)-
2-NAPHTHOL-6-SULFONIC ACID, 1-(4-SULFO-1-NAPHTHYLAZO)-
4-(2-(2-HYDROXY-6-SULFO-1-NAPHTHALENYL)DIAZENYL)-1-NAPHTHALENESULFONIC ACID