![Molecular structure of 2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one (CAS 1013916-37-4)](/images/chem_structures_svg/011/1013916-37-4.svg)
2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one
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. 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-1085320-0
- Molecular Formula
- C13H14ClN3O
- Molecular Weight
- 263.723 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 428.0±34.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 212.6±25.7 °C |
| Exact Mass | 263.082550 |
| PSA | 47.78000 |
| LogP | 1.77 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.618 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one?
The CAS number of 2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one is 1013916-37-4.
What are the molecular formula and molecular weight of 2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one?
2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one has molecular formula C13H14ClN3O and molecular weight 263.723 g/mol.
What are the upstream and downstream products of 2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one?
For 2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one, Upstream Products: 5-Bromo-2-chloro-N-cyclopentylpyrimidin-4-amine, Crotonic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-chloro-8-cyclopentyl-5-methyl-8H-pyrido[2,3-d]pyrimidin-7-one (CAS 1013916-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085320-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.