METHACHOLINE
UNII 03V657ZD3V

Substance Identification & Data

This profile provides standardized clinical and technical data for Methacholine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 03V657ZD3V.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 55-92-5 and the RxNorm Concept ID (RxCUI) 155080. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

03V657ZD3V

CAS Registry Number

55-92-5

RxNorm Concept ID

155080

Detailed Substance Profile

Preferred Name

METHACHOLINE

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

Molecular Formula

03V657ZD3V

The specific atomic composition represented as a molecular structure string.

InChIKey

C8H18NO2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

NZWOPGCLSHLLPA-UHFFFAOYSA-N

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

NCI Thesaurus

C61837

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

1993

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+](CC(OC(=O)C)C)(C)(C)C

Synonyms and Nomenclature

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