METFORMIN
UNII 9100L32L2N

Substance Identification & Data

This profile provides standardized clinical and technical data for Metformin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9100L32L2N.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 657-24-9 and the RxNorm Concept ID (RxCUI) 6809. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
9100L32L2N
CAS Registry Number
657-24-9
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
METFORMIN
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
9100L32L2N
The specific atomic composition represented as a molecular structure string.
InChIKey
C4H11N5
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
XZWYZXLIPXDOLR-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
965
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C(NC(=N)N)(=N)N(C)C

Synonyms and Nomenclature

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

METFORMIN

Common Names & Synonyms

METFORMIN [INN]
METFORMIN [MI]
METFORMIN [USAN]
METFORMIN [VANDF]
METFORMIN [WHO-DD]
METFORMIN EXTENDED RELEASE

Systematic Nomenclature

1,1-DIMETHYLBIGUANIDE
IMIDODICARBONIMIDIC DIAMIDE, N,N-DIMETHYL-

NDC Products Containing METFORMIN

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