ACID YELLOW 17
UNII Y428W9WW4D

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Yellow 17, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Y428W9WW4D.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6359-98-4 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
Y428W9WW4D
CAS Registry Number
6359-98-4
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ACID YELLOW 17
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C16H10Cl2N4O7S2.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
QWSQBPVXJFWXDW-LLIZZRELSA-L
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(cc(c(cc1Cl)S([O-])(=O)=O)Cl)-n2nc(c(c2O)/N=N/c3ccc(cc3)S([O-])(=O)=O)C.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Yellow 17. 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.

FDA Official Name

CI 18965

Common Names & Synonyms

ACID YELLOW 17
C. I. ACID YELLOW 17
C.I. ACID YELLOW 17
C.I. ACID YELLOW 17, DISODIUM SALT
C.I. FOOD YELLOW 5
CI 13075
DISODIUM 2,5-DICHLORO-4-(5-HYDROXY-3-METHYL-4- (SULPHOPHENYLAZO)PYRAZOL-1-YL)BENZENESULPHONATE

Brand / Trade Names

ACID LEATHER YELLOW 2GL
KITON FAST YELLOW 2GL
NEW LEMON EMBL

Systematic Nomenclature

BENZENESULFONIC ACID, 2,5-DICHLORO-4-(4,5-DIHYDRO-3-METHYL-5-OXO-4-((4-SULFOPHENYL)AZO)-1H-PYRAZOL-1-YL)-, DISODIUM SALT
BENZENESULFONIC ACID, 2,5-DICHLORO-4-(4,5-DIHYDRO-3-METHYL-5-OXO-4-(2-(4-SULFOPHENYL)DIAZENYL)-1H-PYRAZOL-1-YL)-, SODIUM SALT (1:2)

Technical Codes

NSC-324981