DIRECT RED 45
UNII 844GXC3FPC

Substance Identification & Data

This profile provides standardized clinical and technical data for Direct Red 45, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 844GXC3FPC.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 2150-33-6 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
844GXC3FPC
CAS Registry Number
2150-33-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DIRECT RED 45
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C24H15N3O7S3.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
IUCFJXIRNJWRPI-YOYNBWDYSA-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
[Na+].[Na+].s1c(nc2c1c(c(cc2)C)S(=O)(=O)[O-])-c3ccc(cc3)/N=N/c4c(c5c(c(c4)S(=O)(=O)[O-])cccc5)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Direct Red 45. 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

1741 RED
BENZO RED RS
C.I. 14780
C.I. DIRECT RED 45
C.I. DIRECT RED 45, DISODIUM SALT
C.I. FOOD RED 13
CHLORAMINE RED 2BN
CI 14780
CI DIRECT RED 45
CI DIRECT RED 45, DISODIUM SALT
CI FOOD RED 13
DIRECT PINK T
DIRECT RED 45
THIAZINE RED

Systematic Nomenclature

7-BENZOTHIAZOLESULFONIC ACID, 2-(4-((1-HYDROXY-4-SULFO-2-NAPHTHALENYL)AZO)PHENYL)-6-METHYL-, DISODIUM SALT
7-BENZOTHIAZOLESULFONIC ACID, 2-(4-(2-(1-HYDROXY-4-SULFO-2-NAPHTHALENYL)DIAZENYL)PHENYL)-6-METHYL-, SODIUM SALT (1:2)
DISODIUM 2-(4-((1-HYDROXY-4-SULPHONATO-2-NAPHTHYL)AZO)PHENYL)-6-METHYLBENZOTHIAZOLE-7-SULPHONATE
DISODIUM 6-METHYL-2-(4-(2-(1-OXO-4-SULFONATONAPHTHALEN-2-YLIDENE)HYDRAZINYL)PHENYL)-1,3-BENZOTHIAZOLE-7-SULFONATE

Technical Codes

NSC-15376