Guanine

Guanine is an organic compound with the molecular formula C5H5N5O.

Formula
C5H5N5O
Molar mass
151.13 g/mol
Also known as
2-amino-1,7-dihydropurin-6-one, 2-Amino-6-hydroxypurine, 2-Aminohypoxanthine, Guanin, Mearlmaid, Guanine enol, Pearl essence

Overview

Guanine is an organic compound with the molecular formula C5H5N5O.

Identifiers

Formula
C5H5N5O
Molar mass
151.13 g/mol
Also known as
2-amino-1,7-dihydropurin-6-one, 2-Amino-6-hydroxypurine, 2-Aminohypoxanthine, Guanin, Mearlmaid, Guanine enol, Pearl essence
Chemical identifiers
SMILES
C1=NC2=C(N1)C(=O)NC(=N2)N
InChI
InChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11)
PubChem CID
135398634

Properties

Melting Point
360 °C (DECOMP)
Sublimation
BOILING POINT: SUBLIMES
Data availability

Not published: Density, Solubility.

References

  1. PubChem Compound Summary: Guanine (CID 135398634)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. Hazardous Substances Data Bank (HSDB): Guanine — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/135398634#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Weast, R.C. (ed.). Handbook of Chemistry and Physics. 60th ed. Boca Raton, Florida: CRC Press Inc., 1979., p. C-324

  3. Hazardous Substances Data Bank (HSDB): Guanine — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/135398634#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Weast, R.C. (ed.). Handbook of Chemistry and Physics. 60th ed. Boca Raton, Florida: CRC Press Inc., 1979., p. C-324