2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine

2-氯-4-甲基-6,7-二氢-5H-环戊[d]嘧啶

Also known as: 2-Chloro-4-methyl-5H,6H,7H-cyclopenta[d]pyrimidine, 2-Chloro-6,7-dihydro-4-methyl-5H-cyclopenta[d]pyrimidine, 5H-Cyclopentapyrimidine, 2-chloro-6,7-dihydro-4-methyl-, 2-Chloro-4-methyl-5,6-trimethylenepyrimidine

2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 83939-58-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9ClN2 and a molecular weight of 168.62300 g/mol. It is also known as 2-Chloro-4-methyl-5H,6H,7H-cyclopenta[d]pyrimidine, 2-Chloro-6,7-dihydro-4-methyl-5H-cyclopenta[d]pyrimidine and 5H-Cyclopentapyrimidine, 2-chloro-6,7-dihydro-4-methyl-. Key properties include a melting point of 58-62ºC, a boiling point of 264.8ºC at 760 mmHg, a density of 1.197g/cm3 and a flash point of 139.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83939-58-6
Jingsj CID
J-950761-8
Molecular Formula
C8H9ClN2
Chinese Name
2-氯-4-甲基-6,7-二氢-5H-环戊[d]嘧啶
Molecular Weight
168.62300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point58-62ºC
Boiling Point264.8ºC at 760 mmHg
Density1.197g/cm3
Flash Point139.5ºC

Frequently Asked Questions

What is the CAS number of 2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine?

The CAS number of 2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine is 83939-58-6.

What are the molecular formula and molecular weight of 2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine?

2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine has molecular formula C8H9ClN2 and molecular weight 168.62300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 83939-58-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-950761-8 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.