5-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one

5-氨基-4,4-二溴-2,4-二氢-3H-吡唑-3-酮

Also known as: 3-amino-4,4-dibromo-1H-pyrazol-5(4H)-one, 3-amino-4,4-dibromo-1H-pyrazol-5-one, 3H-Pyrazol-3-one, 5-amino-4,4-dibromo-2,4-dihydro-

5-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one (CAS 171294-89-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3Br2N3O and a molecular weight of 256.88300 g/mol. It is also known as 3-amino-4,4-dibromo-1H-pyrazol-5(4H)-one, 3-amino-4,4-dibromo-1H-pyrazol-5-one and 3H-Pyrazol-3-one, 5-amino-4,4-dibromo-2,4-dihydro-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 171294-89-6
Jingsj CID: J-1571629-1
Molecular Formula: C₃H₃Br₂N₃O
Chinese Name: 5-氨基-4,4-二溴-2,4-二氢-3H-吡唑-3-酮
Molecular Weight: 256.88300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one?

The CAS number of 5-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one is 171294-89-6.

What are the molecular formula and molecular weight of 5-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one?

5-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one has molecular formula C3H3Br2N3O and molecular weight 256.88300 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-amino-4,4-dibromo-2,4-dihydro-3H-pyrazol-3-one (CAS 171294-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1571629-1 (accessed 2026-10-25).

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