PIGMENT RED 22
UNII 81W2C75HEQ

Substance Identification & Data

This profile provides standardized clinical and technical data for Pigment Red 22, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 81W2C75HEQ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6448-95-9 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

81W2C75HEQ

CAS Registry Number

6448-95-9

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

PIGMENT RED 22

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C24H18N4O4

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

XYZMEPHFXJHGIX-CYYJNZCTSA-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

O=C(Nc1ccccc1)c2c(O)c(/N=N/c3c(ccc([N+](=O)[O-])c3)C)c4c(cccc4)c2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Pigment Red 22. 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.