Description

A nucleobase analogue that is uracil in which the oxo group at C-2 is replaced by a thioxo group.

Chemical properties

Chemical formula Net charge Average mass
C4H4N2OS 0 128.15200
thiouracil

Nomenclature

IUPAC SMILES Synonyms
2-thioxo-2,3-dihydropyrimidin-4(1H)-one O=c1cc[nH]c(=S)[nH]1
  • 2-mercapto-pyrimidin-4-ol
  • 4-hydroxy-2-pyrimidinethiol
  • 2-mercapto-4-pyrimidinol
  • 2-thio-2,4-(1h,3h)-pyrimidinedione
  • 2-thioxo-2,3-dihydro-1h-pyrimidin-4-one
  • 2-thiouracil