4-Chloro-5-fluoro-2(1H)-pyrimidinone

4-氯-5-氟-2(1H)-嘧啶酮

Also known as: 6-Chloro-5-fluoropyrimidin-2(1H)-one, 2(1H)-Pyrimidinone, 4-chloro-5-fluoro- (8CI,9CI), 2(1H)-Pyrimidinone, 6-chloro-5-fluoro-, 4-Chloro-5-fluoropyrimidin-2(1H)-one, 4-chloro-5-fluoro-1H-pyrimidin-2-one, 4-chloro-5-fluoro-2(1H)-pyrimidone, 4-Chlor-5-fluor-pyrimidon-(2), Abemaciclib Impurity 13, Abemaciclib Impurity 12, Abemaciclib Impurity 23

4-Chloro-5-fluoro-2(1H)-pyrimidinone (CAS 22462-34-6) 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 148.52300 g/mol. It is also known as 6-Chloro-5-fluoropyrimidin-2(1H)-one, 2(1H)-Pyrimidinone, 4-chloro-5-fluoro- (8CI,9CI) and 2(1H)-Pyrimidinone, 6-chloro-5-fluoro-. Key properties include a boiling point of 352.1ºC at 760 mmHg, a density of 1.641g/cm3 and a flash point of 166.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

22462-34-6

Jingsj CID

J-844700-3

Molecular Formula

C₄H₂ClFN₂O

Chinese Name

4-氯-5-氟-2(1H)-嘧啶酮

Molecular Weight

148.52300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026