2-Chloro-5-fluoropyrimidin-4(3H)-one

2-氯-5-氟嘧啶-4(3H)-酮

Also known as: 2-Chloro-4-hydroxy-5-fluoropyrimidine, 2-Chloro-5-fluoropyrimidin-4-one, 2-Chloro-5-fluoro-4-pyrimidinol, 2-Chloro-5-fluoro-4(1H)-pyrimidinone, 2-Chloro-5-fluoro-1H-pyrimidin-6-one, 2-chloro-5-fluoro-4-hydroxypyrimidine, 4(3H)-Pyrimidinone, 2-chloro-5-fluoro-

2-Chloro-5-fluoropyrimidin-4(3H)-one (CAS 155-12-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2ClFN2O and a molecular weight of 148.523 g/mol. It is also known as 2-Chloro-4-hydroxy-5-fluoropyrimidine, 2-Chloro-5-fluoropyrimidin-4-one and 2-Chloro-5-fluoro-4-pyrimidinol. Key properties include a melting point of 174 °C(dec.), a boiling point of 301.9±22.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 136.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

155-12-4

Jingsj CID

J-1991698-3

Molecular Formula

C₄H₂ClFN₂O

Chinese Name

2-氯-5-氟嘧啶-4(3H)-酮

Molecular Weight

148.523 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026