AMARANTH ACID
UNII 02J7X17ZUQ

Substance Identification & Data

This profile provides standardized clinical and technical data for Amaranth Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 02J7X17ZUQ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 642-59-1 and the RxNorm Concept ID (RxCUI) 1546381. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
02J7X17ZUQ
CAS Registry Number
642-59-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
AMARANTH ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
02J7X17ZUQ
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H14N2O10S3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
IRPXADUBAQAOKL-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
c1(c(c(cc2c1ccc(c2)S(O)(=O)=O)S(O)(=O)=O)O)/N=N/c3c4c(c(cc3)S(O)(=O)=O)cccc4

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Amaranth 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

2,7-NAPHTHALENEDISULFONIC ACID, 3-HYDROXY-4-(2-(4-SULFO-1-NAPHTHALENYL)DIAZENYL)-
AMARANTH ACID
C.I. ACID RED 27 (FREE ACID)
C.I. ACID RED 27 FREE ACID

Systematic Nomenclature

1-(4-SULFONAPHTHYLAZO)-2-HYDROXYNAPHTHALENE-3,6-DISULFONIC ACID

NDC Products Containing AMARANTH ACID

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: