DIRECT RED 7
UNII ST874UM9UN

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Red 7, uniquely identified by the FDA Unique Ingredient Identifier (UNII) ST874UM9UN.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2868-75-9 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
ST874UM9UN
CAS Registry Number
2868-75-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT RED 7
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C34H26N6O8S2.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
XVJNOIOHMFFFIP-DVDDBBOFSA-L
Line notation for describing the chemical structure and connectivity of atoms.
Substance Type
Direct Red 7
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
S(=O)(=O)([O-])c1c2c(c(N)c(/N=N/c3c(OC)cc(cc3)-c4cc(OC)c(/N=N/c5c(N)c6c(c(S(=O)(=O)[O-])c5)cccc6)cc4)c1)cccc2.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Red 7. 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

1-Naphthalenesulfonic acid, 3,3′-[(3,3′-dimethoxy[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[4-amino-, disodium salt
C.I. Direct Red 7, disodium salt
Direct Red 7

Systematic Nomenclature

1-Naphthalenesulfonic acid, 3,3′-[(3,3′-dimethoxy[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4-amino-, disodium salt
Disodium 3,3′-[(3,3′-Dimethoxy[1,1′-biphenyl]-4,4′-diyl)bis(2,1-diazenediyl)]bis[4-amino-1-naphthalenesulfonate]

Technical Codes

NSC-75913