3-Bromopyrazolo[1,5-a]pyrimidine

3-溴吡唑并[1,5-a]嘧啶

Also known as: 3-Bromopyrazolo[1,5-a]pyrimidine, Pyrazolo[1,5-a]pyrimidine, 3-bromo-, 3-Brompyrazol<1,5-a>pyrimidin, 3-bromopyrazolo[1,5-a]pyrimidine

3-Bromopyrazolo[1,5-a]pyrimidine (CAS 55405-67-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4BrN3 and a molecular weight of 198.020 g/mol. It is also known as Pyrazolo[1,5-a]pyrimidine, 3-bromo-, 3-Brompyrazol<1,5-a>pyrimidin and 3-bromopyrazolo[1,5-a]pyrimidine. Key properties include a melting point of 158-159ºC and a density of 1.9±0.1 g/cm3. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55405-67-9
Jingsj CID
J-947030-3
Molecular Formula
C6H4BrN3
Chinese Name
3-溴吡唑并[1,5-a]嘧啶
Molecular Weight
198.020 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point158-159ºC
Density1.9±0.1 g/cm3

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Bromopyrazolo[1,5-a]pyrimidine?

The CAS number of 3-Bromopyrazolo[1,5-a]pyrimidine is 55405-67-9.

What are the molecular formula and molecular weight of 3-Bromopyrazolo[1,5-a]pyrimidine?

3-Bromopyrazolo[1,5-a]pyrimidine has molecular formula C6H4BrN3 and molecular weight 198.020 g/mol.

Is 3-Bromopyrazolo[1,5-a]pyrimidine hazardous?

3-Bromopyrazolo[1,5-a]pyrimidine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-Bromopyrazolo[1,5-a]pyrimidine (CAS 55405-67-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-947030-3 (accessed 2026-10-24).

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