METHANE
UNII OP0UW79H66

Substance Identification & Data

This profile provides standardized clinical and technical data for Methane, uniquely identified by the FDA Unique Ingredient Identifier (UNII) OP0UW79H66.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 74-82-8 and the RxNorm Concept ID (RxCUI) 2598120. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

OP0UW79H66

CAS Registry Number

74-82-8

RxNorm Concept ID

2598120

Detailed Substance Profile

Preferred Name

METHANE

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

Molecular Formula

OP0UW79H66

The specific atomic composition represented as a molecular structure string.

InChIKey

CH4

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

VNWKTOKETHGBQD-UHFFFAOYSA-N

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

PubChem CID

297

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

Synonyms and Nomenclature

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