SOLVENT RED 24
UNII I35E9QU96C

Substance Identification & Data

This profile provides standardized clinical and technical data for Solvent Red 24, uniquely identified by the FDA Unique Ingredient Identifier (UNII) I35E9QU96C.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 85-83-6 and the RxNorm Concept ID (RxCUI) 36224. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
I35E9QU96C
CAS Registry Number
85-83-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
SOLVENT RED 24
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
I35E9QU96C
The specific atomic composition represented as a molecular structure string.
InChIKey
C24H20N4O
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RCTGMCJBQGBLKT-PAMTUDGESA-N
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(c(ccc2ccccc12)O)/N=N/c3c(cc(cc3)/N=N/c4c(cccc4)C)C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Solvent Red 24. 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.

FDA Official Name

AKA501
SOLVENT RED 24

Common Names & Synonyms

2-NAPHTHOL, 1-(4-O-TOLYLAZO-O-TOLYLAZO)-
C.I. SOLVENT RED 24
CI 26105
FAST OIL RED B
OIL RED B
SCARLET OIL
SCARLET RED
SCARLET RED [IARC]
SCARLET RED [MI]
SCARLET RED [VANDF]
SCARLET RED [WHO-DD]
SOLVENT RED 24 (SCARLET RED)
SUDAN IV

Brand / Trade Names

GRASAL BRILLIANT RED B

Systematic Nomenclature

1-((2-METHYL-4-((2-METHYLPHENYL)AZO)PHENYL)AZO)-2-NAPHTHALENOL
2',3-DIMETHYL-4-(2-HYDROXYNAPHTHYLAZO) AZOBENZENE
2-NAPHTHALENOL, 1-((2-METHYL-4-((2-METHYLPHENYL)AZO)PHENYL)AZO)-

Technical Codes

C.I. 26105
CI-26105
NSC-10472