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胞嘧啶

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胞嘧啶
IUPAC名
4-amino-3H-pyrimidin-2-one
识别
CAS号 71-30-7  checkY
PubChem 597
ChemSpider 577
SMILES
 
  • C1=C(NC(=O)N=C1)N
InChI
 
  • 1/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)
InChIKey OPTASPLRGRRNAP-UHFFFAOYAY
ChEBI 16040
KEGG C00380
MeSH Cytosine
性质
化学式 C4H5N3O
摩尔质量 111.102 g·mol⁻¹
熔点 320 - 325℃(decomp)
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

胞嘧啶(C)(英语:cytosine),学名为2-羰基-4-氨基嘧啶,是组成DNA的四种基本碱基之一。胞嘧啶核苷、胞嘧啶核苷酸均可作为升高白细胞(白血球)的药物。可由2-硫脲嘧啶、浓氨水氯乙酸为原料合成制得。

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胞嘧啶
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