2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one

2-氯-8-环戊基-5-甲基-8H-吡啶并[2,3-d]嘧啶-7-酮

Also known as: 2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one, 2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7-one, 2-chloro-8-cyclopentyl-5-methyl-7H,8H-pyrido[2,3-d]pyrimidin-7-one, Palbociclib intermediate, Palbociclib intermediate 2, Pyrido[2,3-d]pyrimidin-7(8H)-one, 2-chloro-8-cyclopentyl-5-methyl-, 2-Chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one (For Palbociclib), 2-chloro-8-cyclopentyl-5-Me

2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one (CAS 1013916-37-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H14ClN3O and a molecular weight of 263.723 g/mol. It is also known as 2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one, 2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7-one and 2-chloro-8-cyclopentyl-5-methyl-7H,8H-pyrido[2,3-d]pyrimidin-7-one. Key properties include a boiling point of 428.0±34.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 212.6±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1013916-37-4

Jingsj CID

J-1085320-9

Molecular Formula

C₁₃H₁₄ClN₃O

Chinese Name

2-氯-8-环戊基-5-甲基-8H-吡啶并[2,3-d]嘧啶-7-酮

Molecular Weight

263.723 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026