5-Bromo-2-chloro-N-cyclopentylpyrimidin-4-amine

5-溴-2-氯-N-环戊基-4-嘧啶胺

Also known as: 5-Bromo-2-chloro-4-(cyclopentylamino)pyrimidine, 5-Bromo-2-chloro-N-cyclopentyl-4-pyrimidinamine, N-(5-Bromo-2-chloropyrimidin-4-yl)(cyclopentyl)amine, 4-Pyrimidinamine, 5-bromo-2-chloro-N-cyclopentyl-, Ribociclib Intermediate 2, Palbociclib intermediate

5-Bromo-2-chloro-N-cyclopentylpyrimidin-4-amine (CAS 733039-20-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11BrClN3 and a molecular weight of 276.561 g/mol. It is also known as 5-Bromo-2-chloro-4-(cyclopentylamino)pyrimidine, 5-Bromo-2-chloro-N-cyclopentyl-4-pyrimidinamine and N-(5-Bromo-2-chloropyrimidin-4-yl)(cyclopentyl)amine. Key properties include a boiling point of 424.0±30.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 210.2±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

733039-20-8

Jingsj CID

J-1019021-4

Molecular Formula

C₉H₁₁BrClN₃

Chinese Name

5-溴-2-氯-N-环戊基-4-嘧啶胺

Molecular Weight

276.561 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026