HYDRALAZINE
UNII 26NAK24LS8

Substance Identification & Data

This profile provides standardized clinical and technical data for Hydralazine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 26NAK24LS8.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 86-54-4 and the RxNorm Concept ID (RxCUI) 5470. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
26NAK24LS8
CAS Registry Number
86-54-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
HYDRALAZINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
26NAK24LS8
The specific atomic composition represented as a molecular structure string.
InChIKey
C8H8N4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
RPTUSVTUFVMDQK-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
INN ID
1
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
c1(nncc2c1cccc2)NN

Synonyms and Nomenclature

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

FDA Official Name

HYDRALAZINE
HYDRALAZINE POLISTIREX

Common Names & Synonyms

DIHYDRALAZINE SULFATE, HYDRATED IMPURITY B [EP IMPURITY]
HYDRALAZINE [IARC]
HYDRALAZINE [INN]
HYDRALAZINE [MI]
HYDRALAZINE [VANDF]
HYDRALAZINE [WHO-DD]
HYDRALAZINE POLISTIREX [USAN]

Brand / Trade Names

HIDRAL

Systematic Nomenclature

1-HYDRAZINOPHTHALAZINE
PHTHALAZINE, 1-HYDRAZINO-

Technical Codes

NSC-126699

NDC Products Containing HYDRALAZINE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: