Molecule record

metformin

C4H11N5

129.16 g/mol

2D structure for metformin

Molecular properties

Formula
C4H11N5
Molar mass
129.16 g·mol−1
Exact mass
129.1014 Da
2
3
1
91.50 Ų
-1.3 (PubChem computed XLogP3-AA descriptor)
CAS
657-24-9
PubChem CID
4091

Interactions

Polarity
Often polar; exact polarity depends on size, substitution, and ionization state.
Acid-base behavior
Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
Intermolecular forces
Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.

Functional groups

Amine

Physical properties

PropertyValueConditionsSource
Logp-1.3PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • 1,1-Dimethylbiguanide
  • 3-(diaminomethylidene)-1,1-dimethylguanidine
  • 657-24-9
  • 9100L32L2N
  • BIGUANIDE, 1,1-DIMETHYL-
  • CHEBI:6801
  • Diaformin
  • Dimethylbiguanid
Show all 23 synonyms
  • Dimethylbiguanide
  • Dimethylguanylguanidine
  • LA 6023
  • LA-6023
  • Meguan
  • Metformin extended release
  • Metformina
  • Metformine
  • Metiguanide
  • N,N-Dimethylbiguanide
  • N,N-Dimethyldiguanide
  • N,N-dimethylimidodicarbonimidic diamide
  • N1,N1-Dimethylbiguanide
  • Novo-Metformin
  • RefChem:6463

Structure identifiers

Canonical SMILES
CN(C)C(=N)N=C(N)N
Isomeric SMILES
CN(C)C(=N)N=C(N)N
InChI
InChI=1S/C4H11N5/c1-9(2)4(7)8-3(5)6/h1-2H3,(H5,5,6,7,8)
InChIKey
XZWYZXLIPXDOLR-UHFFFAOYSA-N
PubChem CID
4091

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for metformin; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for metformin; not experimental data.

Sources

Molecule identity

Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.

Open source record