ACID RED 4 FREE ACID
UNII XXR35M8AGD

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Red 4 Free Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) XXR35M8AGD.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 22036-97-1 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
XXR35M8AGD
CAS Registry Number
22036-97-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ACID RED 4 FREE ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C17H14N2O5S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JRLHFEXLBNGRJO-VHEBQXMUSA-N
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
COc1ccccc1/N=N/c2cc(c3ccccc3c2O)S(=O)(=O)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Red 4 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 4 FREE ACID

Systematic Nomenclature

1-NAPHTHALENESULFONIC ACID, 4-HYDROXY-3-(2-(2-METHOXYPHENYL)DIAZENYL)-
4-HYDROXY-3-(2-(2-METHOXYPHENYL)DIAZENYL)-1-NAPHTHALENESULFONIC ACID