Chem
J-GLOBAL ID:200907003937298756   Nikkaji number:J9.343B

Cytosine

シトシン
Substance type:
Substance type
Substance type classified into 3 categories.
Decided structure: Substances with a clear structure
Undicided Structure: Substances with unknown or undetermined structure
Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements
Decided structure
Molecular formula: C4H5N3O
Molecular formula furigana: C4-H5-N3-O
Molecular weight: 111.104
InChI: InChI=1S/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)
InChI key: OPTASPLRGRRNAP-UHFFFAOYSA-N
SMILES: Nc1cc[nH]c(=O)n1
Systematic name  (23):
  • シトシン
  • 4-アミノピリミジン-2-オール
  • 3,4-ジヒドロ-4-イミノピリミジン-2(1H)-オン
  • 4-アミノピリミジン-2(1H)-オン
  • 4-アミノ-2(1H)-ピリミドン
Show all
Other name (19):
  • Cytosine
  • 4-Amino-2(1H)-pyrimidinone
  • 4-Amino-1H-pyrimidin-2-one
  • 4-Aminopyrimidin-2(3H)-one
  • 4-Amino-1,3-diazabenzene-2-ol
Show all
CAS registry number: 71-30-7
Regulation number (3):
  • (9)-509
  • EINECS2007495
  • TSCA(71-30-7)
KEGG COMPOUND: C00380
Application (2):
pyrimidine base ,  metabolite
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