ACID YELLOW 218
UNII 4OWI5Z36CV

Substance Identification & Data

This profile provides standardized clinical and technical data for Acid Yellow 218, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4OWI5Z36CV.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 71873-51-3 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
4OWI5Z36CV
CAS Registry Number
71873-51-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
ACID YELLOW 218
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C29H35Cl2N5O9S2.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RVDGQDPDNXZYGM-ZIJRHPRESA-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(S([O-])(=O)=O)c(Cl)cc1-n2nc(C)c(/N=N/c3c(S([O-])(=O)=O)ccc(NC(OCCCCCCCCCCCC)=O)c3)c2O)Cl.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Acid Yellow 218. 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 YELLOW 218
C.I. ACID YELLOW 218
DISODIUM 2,5-DICHLORO-4-(4-((5-(((DODECYLOXY)CARBONYL)AMINO)-2-SULPHONATOPHENYL)AZO)-4,5-DIHYDRO-3-METHYL-5-OXO-1H-PYRAZOL-1-YL)BENZENESULPHONATE

Systematic Nomenclature

1-(2,5-DICHLORO-4-SODIOSULFOPHENYL)-4-(5-DODECYLOXYCARBONYLAMINO-2-SODIOSULFOPHENYLAZO)-3-METHYL-2-PYRAZOLIN-5-ONE
BENZENESULFONIC ACID, 2,5-DICHLORO-4-(4-((5-(((DODECYLOXY)CARBONYL)AMINO)-2-SULFOPHENYL)AZO)-4,5-DIHYDRO-3-METHYL-5-OXO-1H-PYRAZOL-1-YL)-, DISODIUM SALT
BENZENESULFONIC ACID, 2,5-DICHLORO-4-(4-((E)-2-(5-(((DODECYLOXY)CARBONYL)AMINO)-2-SULFOPHENYL)DIAZENYL)-4,5-DIHYDRO-3-METHYL-5-OXO-1H-PYRAZOL-1-YL)-, SODIUM SALT (1:2)
BENZENESULFONIC ACID, 2,5-DICHLORO-4-(4-(2-(5-(((DODECYLOXY)CARBONYL)AMINO)-2-SULFOPHENYL)DIAZENYL)-4,5-DIHYDRO-3-METHYL-5-OXO-1H-PYRAZOL-1-YL)-, SODIUM SALT (1:2)
DISODIUM 2,5-DICHLORO-4-(4-((5-(DODECOXYCARBONYLAMINO)-2-SULFONATOPHENYL)DIAZENYL)-3-METHYL-5-OXO-4H-PYRAZOL-1-YL)BENZENESULFONATE
DISODIUM 2,5-DICHLORO-4-(4-((E)-(5-(((DODECYLOXY)CARBONYL)AMINO)-2-SULFONATOPHENYL)DIAZENYL)-3-METHYL-5-OXO-4,5-DIHYDRO-1H-PYRAZOL-1-YL)BENZENESULFONATE

Technical Codes

J25.283B