5-Chloro-1H-pyrazolo[4,3-d]pyrimidine

5-氯-1H-吡唑并[4,3-d]嘧啶

Also known as: 1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro-, 5-Chloropyrazolo[4,3-d]pyrimidine, 5-chloro-1H-pyrazolo[4,3-d]pyrimidine

5-Chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 633328-98-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN4 and a molecular weight of 154.55700 g/mol. It is also known as 1H-Pyrazolo[4,3-d]pyrimidine, 5-chloro-, 5-Chloropyrazolo[4,3-d]pyrimidine and 5-chloro-1H-pyrazolo[4,3-d]pyrimidine. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 633328-98-0
Jingsj CID: J-1131764-3
Molecular Formula: C₅H₃ClN₄
Chinese Name: 5-氯-1H-吡唑并[4,3-d]嘧啶
Molecular Weight: 154.55700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

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

The CAS number of 5-Chloro-1H-pyrazolo[4,3-d]pyrimidine is 633328-98-0.

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

5-Chloro-1H-pyrazolo[4,3-d]pyrimidine has molecular formula C5H3ClN4 and molecular weight 154.55700 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-Chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 633328-98-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1131764-3 (accessed 2026-10-22).

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