TRISODIUM 7-HYDROXY-8-((2-METHOXY-5-METHYL-4-SULFOPHENYL)AZO)-1,3-NAPHTHALENEDISULFONATE
UNII N5521DH3GD

Substance Identification & Data

This profile provides standardized clinical and technical data for Trisodium 7-hydroxy-8-((2-methoxy-5-methyl-4-sulfophenyl)azo)-1,3-naphthalenedisulfonate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) N5521DH3GD.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 374784-31-3 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
N5521DH3GD
CAS Registry Number
374784-31-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
TRISODIUM 7-HYDROXY-8-((2-METHOXY-5-METHYL-4-SULFOPHENYL)AZO)-1,3-NAPHTHALENEDISULFONATE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C18H13N2O11S3.3Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RFXURVMKQJEHAE-HVARVCSCSA-K
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
N(\c1c(O)ccc2cc(S([O-])(=O)=O)cc(S([O-])(=O)=O)c21)=N/c3cc(C)c(S([O-])(=O)=O)cc3OC.[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Trisodium 7-hydroxy-8-((2-methoxy-5-methyl-4-sulfophenyl)azo)-1,3-naphthalenedisulfonate. 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

CRESIDINE SULFONIC ACID AZO G SALT COLOR STANDARD
TRISODIUM 7-HYDROXY-8-((2-METHOXY-5-METHYL-4-SULFOPHENYL)AZO)-1,3-NAPHTHALENEDISULFONATE

Systematic Nomenclature

1,3-NAPHTHALENEDISULFONIC ACID, 7-HYDROXY-8-(2-(2-METHOXY-5-METHYL-4-SULFOPHENYL)DIAZENYL)-, SODIUM SALT (1:3)