5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine

5,7-二氯-1-甲基-1H-吡唑并[4,3-d]嘧啶

Also known as: 5,7-dichloro-1-methylpyrazolo[4,3-d]pyrimidine, 1H-Pyrazolo[4,3-d]pyrimidine, 5,7-dichloro-1-methyl-, c-8372, qc-362

5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 939979-32-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2N4 and a molecular weight of 203.029 g/mol. It is also known as 5,7-dichloro-1-methylpyrazolo[4,3-d]pyrimidine, 1H-Pyrazolo[4,3-d]pyrimidine, 5,7-dichloro-1-methyl- and c-8372. Key properties include a boiling point of 283.9±22.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 125.5±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 939979-32-5
Jingsj CID: J-1560639-0
Molecular Formula: C₆H₄Cl₂N₄
Chinese Name: 5,7-二氯-1-甲基-1H-吡唑并[4,3-d]嘧啶
Molecular Weight: 203.029 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	283.9±22.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	125.5±22.3 °C

Frequently Asked Questions

What is the CAS number of 5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine?

The CAS number of 5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine is 939979-32-5.

What are the molecular formula and molecular weight of 5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine?

5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine has molecular formula C6H4Cl2N4 and molecular weight 203.029 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5,7-Dichloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 939979-32-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1560639-0 (accessed 2026-10-22).

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