Properties

  • Name: Cytosine
  • IUPAC name: 4-Amino-3H-pyrimidin-2-one
  • Formula: C4H5N3O
  • Molecular weight: 111.1020 g/mol
  • Monoisotopic weight: 111.0432618 g/mol
  • Melting point: > 300 °C (573 K)
  • Synonym:
    • 4-Amino-3H-pyrimidin-2-one

Structure

Structure Download

  • In CML format Download cml file
  • In MOL format Download mol file

InChI

InChI=1/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)

SMILES

c1c[nH]c(=O)nc1N