PHENAPHTHAZINE FREE ACID
UNII USH6E4Z2F7

Substance Identification & Data

This profile provides standardized clinical and technical data for Phenaphthazine Free Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) USH6E4Z2F7.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1716-22-9 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

USH6E4Z2F7

CAS Registry Number

1716-22-9

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

PHENAPHTHAZINE FREE ACID

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

InChIKey

C16H10N4O11S2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

AYCFJUKXFTYTGH-ISLYRVAYSA-N

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

NCI Thesaurus

C183166

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

79466

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

c12c(O)c(/N=N/c3c([N+]([O-])=O)cc([N+]([O-])=O)cc3)c(S(=O)(=O)O)cc1cc(S(=O)(=O)O)cc2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Phenaphthazine Free Acid. 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.