HC YELLOW NO. 2
UNII 9FVT2KMV9O

Substance Identification & Data

This profile provides standardized clinical and technical data for Hc Yellow No. 2, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9FVT2KMV9O.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 4926-55-0 and the RxNorm Concept ID (RxCUI) 2386335. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

9FVT2KMV9O

CAS Registry Number

4926-55-0

RxNorm Concept ID

2386335

Detailed Substance Profile

Preferred Name

HC YELLOW NO. 2

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

InChIKey

C8H10N2O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

LFOUYKNCQNVIGI-UHFFFAOYSA-N

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

NCI Thesaurus

C99821

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

78637

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=[N+]([O-])c1c(NCCO)cccc1

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Hc Yellow No. 2. 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.