4-((4-((2-HYDROXY-1-NAPHTHYL)AZO)PHENYL)AZO)BENZENESULFONIC ACID
UNII 657CH6H6AE

Substance Identification & Data

This profile provides standardized clinical and technical data for 4-((4-((2-hydroxy-1-naphthyl)azo)phenyl)azo)benzenesulfonic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 657CH6H6AE.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 37678-79-8 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

657CH6H6AE

CAS Registry Number

37678-79-8

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

4-((4-((2-HYDROXY-1-NAPHTHYL)AZO)PHENYL)AZO)BENZENESULFONIC ACID

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

InChIKey

C22H16N4O4S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

LEYJJTBJCFGAQN-QSZPNPOGSA-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(ccc(cc1)/N=N/c2ccc(cc2)/N=N/c3c(ccc4ccccc34)O)S(=O)(=O)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 4-((4-((2-hydroxy-1-naphthyl)azo)phenyl)azo)benzenesulfonic 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.