DIRECT BLUE 3
UNII DI7XX23078

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Blue 3, uniquely identified by the FDA Unique Ingredient Identifier (UNII) DI7XX23078.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2429-72-3 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
DI7XX23078
CAS Registry Number
2429-72-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT BLUE 3
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C34H25N5O8S2.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
CWVISFDXEWCPPS-PYIFGEPISA-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
[O-]S(c1c(/N=N/c2ccc(-c3ccc(/N=N/c4cc(S(=O)(=O)[O-])c5ccccc5c4O)c(C)c3)cc2C)c(O)c6ccc(N)cc6c1)(=O)=O.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Blue 3. 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. DIRECT BLUE 3
C.I. DIRECT BLUE 3, DISODIUM SALT
CI DIRECT BLUE 3
CI DIRECT BLUE 3, DISODIUM SALT
DIRECT BLUE 3

Systematic Nomenclature

1-NAPHTHALENESULFONIC ACID, 3-((4'-((6-AMINO-1-HYDROXY-3-SULFO-2-NAPHTHALENYL)AZO)-3,3'-DIMETHYL(1,1'-BIPHENYL)-4-YL)AZO)-4-HYDROXY-, DISODIUM SALT
1-NAPHTHALENESULFONIC ACID, 3-(2-(4'-(2-(6-AMINO-1-HYDROXY-3-SULFO-2-NAPHTHALENYL)DIAZENYL)-3,3'-DIMETHYL(1,1'-BIPHENYL)-4-YL)DIAZENYL)-4-HYDROXY-, SODIUM SALT (1:2)

Technical Codes

C.I. 23705
CI 23705

External Clinical & Regulatory Resources

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