CHEMISTRY TOOLSCHEM TOOLS
ElementsCompoundsToolsBiologyMedicineReference
⌘K
All CompoundsAmino AcidsBiochemicalsInorganic
Periodic Table/Compounds/11C-METFORMIN

Elements

  • Periodic Table
  • Trends
  • Compare
  • Nuclides

Compounds

  • All Compounds
  • Amino Acids
  • Biochemicals
  • Inorganic

Tools

  • All Tools
  • Molar Mass
  • Electron Config
  • Decay Simulator
  • Balancer
  • Stoichiometry
  • Gas Laws
  • Solutions
  • Equilibrium
  • Kinetics
  • Oxidation States
  • Acid-Base
  • Solubility
  • Electrochemistry
  • Thermodynamics
  • Reactions
  • Spectroscopy
  • Orbitals
  • Lewis Structure
  • VSEPR
  • Nomenclature
  • Unit Converter

Biology

  • Biological Roles
  • Amino Acids
  • Metabolic Pathways
  • Nucleotides
  • Metals in Biology

Medicine

  • Drug Index
  • Drug Mechanisms
  • Radiopharmaceuticals
  • Toxicology
  • Therapeutic Elements

Reference

  • Glossary
  • Constants
  • Polyatomic Ions
  • Activity Series
  • Solubility Rules
  • Lab Safety
© Melvin Olsson 2025–2026
Data: IAEA & PubChem

11C-METFORMIN

C₄H₁₁N₅·128.170 g/mol·CID 73388104

IUPAC: 3-(diaminomethylidene)-1-methyl-1-(111C)methylguanidine

Also known as: METFORMIN C-11, 6AI63CHT0T, Carbon-11 Metformin, Carbon C 11 Metformin, RefChem:1089022 (+2 more)

2D structure of 11C-METFORMIN

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

128.170g/mol

Exact Mass

128.112878Da

Monoisotopic Mass

128.112878Da

XLogP

-1.3

Polar Surface Area

91.5Ų

Complexity

132

Formal Charge

0

H-Bond Donors

3

H-Bond Acceptors

1

Rotatable Bonds

2

Heavy Atoms

9

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 128.2 g/mol
MW ≤ 500
✓ -1.3
LogP ≤ 5
✓ 3
H-bond donors ≤ 5
✓ 1
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/C4H11N5/c1-9(2)4(7)8-3(5)6/h1-2H3,(H5,5,6,7,8)/i1-1

Isomers8 compounds with formula C₄H₁₁N₅

2D structure of 3-(diaminomethylidene)-1,1-dimethylguanidine

3-(diaminomethylidene)-1,1-dimethylguanidine

CID 4091 · 129.2 g/mol

2D structure of 2-carbamimidoyl-1,1-dimethylguanidine

2-carbamimidoyl-1,1-dimethylguanidine

CID 155906370 · 129.2 g/mol

2D structure of 2-carbamimidoyl-1,1-dimethylguanidine

2-carbamimidoyl-1,1-dimethylguanidine

CID 152743144 · 129.2 g/mol

2D structure of 1-(diaminomethylidene)-2-ethylguanidine

1-(diaminomethylidene)-2-ethylguanidine

CID 16446 · 129.2 g/mol

2D structure of 1-(diaminomethylidene)-2,3-dimethylguanidine

1-(diaminomethylidene)-2,3-dimethylguanidine

CID 54558175 · 129.2 g/mol

2D structure of 1-deuterio-1-(N'-deuteriocarbamimidoyl)-3-(deuteriomethyl)-3-methylguanidine

1-deuterio-1-(N'-deuteriocarbamimidoyl)-3-(deuteriomethyl)-3-methylguanidine

CID 91447464 · 132.2 g/mol

2D structure of 1-carbamimidoyl-1,2-dimethylguanidine

1-carbamimidoyl-1,2-dimethylguanidine

CID 3043660 · 129.2 g/mol

2D structure of 1,1,2,3-tetradeuterio-3-(N'-deuterio-N,N-dimethylcarbamimidoyl)guanidine

1,1,2,3-tetradeuterio-3-(N'-deuterio-N,N-dimethylcarbamimidoyl)guanidine

CID 138402679 · 134.2 g/mol

External Resources

PubChem ↗Wikipedia ↗