HC VIOLET NO. 2
UNII 639H4QR04O

Substance Identification & Data

This profile provides standardized clinical and technical data for Hc Violet No. 2, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 639H4QR04O.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 104226-19-9 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

639H4QR04O

CAS Registry Number

104226-19-9

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

HC VIOLET NO. 2

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

InChIKey

C13H21N3O5

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

YHSOWKGIYXECIF-UHFFFAOYSA-N

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

NCI Thesaurus

C99814

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

13907760

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

N(c1ccc(c([N+]([O-])=O)c1)NCCCO)(CCO)CCO

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Hc Violet 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.