FD&C RED NO. 40
UNII WZB9127XOA

Substance Identification & Data

This profile provides standardized clinical and technical data for Fd&c Red No. 40, uniquely identified by the FDA Unique Ingredient Identifier (UNII) WZB9127XOA.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 25956-17-6 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
WZB9127XOA
CAS Registry Number
25956-17-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
FD&C RED NO. 40
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
WZB9127XOA
The specific atomic composition represented as a molecular structure string.
InChIKey
C18H14N2O8S2.2Na
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
CEZCCHQBSQPRMU-LLIZZRELSA-L
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1c(ccc2c(c(ccc21)O)/N=N/c3c(cc(c(c3)C)S(=O)(=O)[O-])OC)S(=O)([O-])=O.[Na+].[Na+]

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Fd&c Red No. 40. 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

CI 16035
CURRY RED
FD&C RED NO. 40
RED 40

Common Names & Synonyms

2-NAPHTHALENESULFONIC ACID, 6-HYDROXY-5-((2-METHOXY-5-METHYL-4-SULFOPHENYL)AZO)-, DISODIUM SALT
ALLURA RED
ALLURA RED [FCC]
ALLURA RED AC [MART.]
ALLURA RED AC [MI]
ALLURA RED AC DYE [HSDB]
ALLURA RED C.I.16035
CI-FOOD RED 17
D&C RED NO. 40
D&C RED NO. 40 [II]
E129
F D & C RED #40 [VANDF]
F D & C RED #40 LAKE [VANDF]
F D & C RED NO. 40
FANCY RED
FD&C RED 40
FD&C RED NO. 40 [FCC]
FD&C RED NO. 40 [II]
FD&C RED NO.40
FDC RED 40 DYE
FDC RED NO. 40
JAPAN FOOD RED NO. 40
JAPAN RED 40

Systematic Nomenclature

2-NAPHTHALENESULFONIC ACID, 6-HYDROXY-5-(2-(2-METHOXY-5-METHYL-4-SULFOPHENYL)DIAZENYL)-, SODIUM SALT (1:2)
DISODIUM 6-HYDROXY-5-((2-METHOXY-5-METHYL-4-SULFONATOPHENYL)DIAZENYL)NAPHTHALENE-2-SULFONATE

Technical Codes

CI-(1975)NO.16035
E-129
INS NO.129
INS-129

NDC Products Containing FD&C RED NO. 40

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: