DIRECT RED 2
UNII G519JHX5MJ

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Red 2, uniquely identified by the FDA Unique Ingredient Identifier (UNII) G519JHX5MJ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 992-59-6 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
G519JHX5MJ
CAS Registry Number
992-59-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT RED 2
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C34H26N6O6S2.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
SUXCALIDMIIJCK-DVDDBBOFSA-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
c12c(c(c(/N=N/c3c(cc(-c4cc(c(/N=N/c5c(c6c(cccc6)c(c5)S(=O)(=O)[O-])N)cc4)C)cc3)C)cc1S(=O)(=O)[O-])N)cccc2.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Red 2. 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

3,3'-((3,3'-DIMETHYL(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL))BIS(4-AMINO-1-NAPHTHALENESULFONIC ACID) SODIUM SALT (1:2)
AZAMIN 4B
BENZOPURPURIN B
BENZOPURPURINE 4B
BENZOPURPURINE 4B [MI]
C.I. DIRECT RED 2
C.I. DIRECT RED 2 [HSDB]
CI DIRECT RED 2
DIRECT RED 2
PAPER RED 4B
SULTAN RED 4B

Technical Codes

C.I. 23500
NSC-5015