PIGMENT RED 177
UNII 66S4IFF43R

Substance Identification & Data

This profile provides standardized clinical and technical data for Pigment Red 177, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 66S4IFF43R.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 4051-63-2 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

66S4IFF43R

CAS Registry Number

4051-63-2

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

PIGMENT RED 177

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

InChIKey

C28H16N2O4

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

KNMQFBWXSICVQC-UHFFFAOYSA-N

Line notation for describing the chemical structure and connectivity of atoms.

PubChem CID

77669

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

O=C1c2c(C(=O)c3c(N)ccc(-c4c5c(C(=O)c6c(cccc6)C5=O)c(N)cc4)c13)cccc2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Pigment Red 177. 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.