3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one

3-碘-4H,5H,6H,7H-吡唑并[1,5-a]吡嗪-4-酮

3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one (CAS 1639901-82-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6IN3O and a molecular weight of 263.04 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1639901-82-8
Jingsj CID: J-663150-1
Molecular Formula: C₆H₆IN₃O
Chinese Name: 3-碘-4H,5H,6H,7H-吡唑并[1,5-a]吡嗪-4-酮
Molecular Weight: 263.04 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one?

The CAS number of 3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one is 1639901-82-8.

What are the molecular formula and molecular weight of 3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one?

3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one has molecular formula C6H6IN3O and molecular weight 263.04 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. "3-iodo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one (CAS 1639901-82-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-663150-1 (accessed 2026-10-25).

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