4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one

4-(吡唑并[1,5-a]嘧啶-6-基)丁-3-烯-2-酮

4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one (CAS 2229650-03-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9N3O and a molecular weight of 187.20 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2229650-03-5
Jingsj CID
J-1697700-0
Molecular Formula
C10H9N3O
Chinese Name
4-(吡唑并[1,5-a]嘧啶-6-基)丁-3-烯-2-酮
Molecular Weight
187.20 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one?

The CAS number of 4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one is 2229650-03-5.

What are the molecular formula and molecular weight of 4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one?

4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one has molecular formula C10H9N3O and molecular weight 187.20 g/mol.

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

Last updated:

How to cite: Jingsj. "4-{Pyrazolo[1,5-a]pyrimidin-6-yl}but-3-en-2-one (CAS 2229650-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1697700-0 (accessed 2026-10-25).

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