DIRECT RED 83
UNII 665Y93749B

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Red 83, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 665Y93749B.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 15418-16-3 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
665Y93749B
CAS Registry Number
15418-16-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT RED 83
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C33H16N6O17S4.2Cu.4Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
OKIWYOJOBJMUHM-LPJGVQGWSA-F
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
[Cu+2].[Cu+2].[O-]c1ccc(S([O-])(=O)=O)cc1/N=N/c2c(S(=O)(=O)[O-])cc3c(c2[O-])ccc(c3)NC(Nc4ccc5c([O-])c(c(S([O-])(=O)=O)cc5c4)/N=N/c6cc(ccc6[O-])S([O-])(=O)=O)=O.[Na+].[Na+].[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Red 83. 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

C.I. 29225
C.I. DIRECT RED 220
C.I. DIRECT RED 83
CHLORAMINE LIGHT VIOLET 2R
DIRECT FAST RUBY MU
DIRECT LIGHTFAST RUBY MU
DIRECT RED 83
DIRECT RUBINE L 2A
DIRECT SUPRA RUBINE BL
DIRECT VIOLET 2RLL
FAST RED BLL

Brand / Trade Names

SOLOPHENYL BORDEAUX 3BLE

Systematic Nomenclature

(MU-((7,7'-(CARBONYLDIIMINO)BIS(4-HYDROXY-3-((2-HYDROXY-5-SULPHOPHENYL)AZO)NAPHTHALENE-2-SULPHONATO))(8-)))DICUPRATE(4-)
2-NAPHTHALENESULFONIC ACID, 7,7'-(CARBONYLDIIMINO)BIS(4-HYDROXY-3-((2-HYDROXY-5-SULFOPHENYL)AZO)-, COPPER COMPLEX
2-NAPHTHALENESULFONIC ACID, 7,7'-(CARBONYLDIIMINO)BIS(4-HYDROXY-3-((E)-2-(2-HYDROXY-5-SULFOPHENYL)DIAZENYL)-, COPPER(2+) SODIUM SALT (1:2:4)
COPPER(2+) SODIUM 4-OXIDO-7-(((5-OXIDO-6-((E)-(2-OXIDO-5-SULFONATOPHENYL)DIAZENYL)-7-SULFONATONAPHTHALEN-2-YL)CARBAMOYL)AMINO)-3-((E)-(2-OXIDO-5-SULFONATOPHENYL)DIAZENYL)NAPHTHALENE-2-SULFONATE(2:4:1)
COPPER(2+) SODIUM 7,7'-(CARBONYLDIIMINO)BIS(4-OXIDO-3-((E)-(2-OXIDO-5-SULFONATOPHENYL)DIAZENYL)-2-NAPHTHALENESULFONATE) (2:4:1)
CUPRATE(4-), (.MU.-((7,7'-(CARBONYLDIIMINO)BIS(4-(HYDROXY-.KAPPA.O)-3-((2-(HYDROXY-.KAPPA.O)-5-SULFOPHENYL)AZO-.KAPPA.N1)-2-NAPHTHALENESULFONATO))(8-)))DI-, TETRASODIUM
CUPRATE(4-), (.MU.-((7,7'-(CARBONYLDIIMINO)BIS(4-HYDROXY-3-((2-HYDROXY-5-SULFOPHENYL)AZO)-2-NAPHTHALENESULFONATO))(8-)))DI-, SODIUM (1:4)
CUPRATE(4-), (.MU.-((7,7'-(CARBONYLDIIMINO)BIS(4-HYDROXY-3-((2-HYDROXY-5-SULFOPHENYL)AZO)-2-NAPHTHALENESULFONATO))(8-)))DI-, TETRASODIUM
DICOPPER TETRASODIUM 4-OXIDO-7-((5-OXIDO-6-((2-OXIDO-5-SULFONATOPHENYL)DIAZENYL)-7-SULFONATONAPHTHALEN-2-YL)CARBAMOYLAMINO)-3-((2-OXIDO-5-SULFONATOPHENYL)DIAZENYL)NAPHTHALENE-2-SULFONATE

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
Inxight Drugs
NLM
DailyMed Products
NCATS
GSRS Full Record