5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one

5-[(3,5-二氟苯基)甲基]-2-(3,4-二甲氧基苯基)-1,2,3,3a-四氢吡唑并[1,5-a]吡嗪-4-酮

5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one (CAS 1326876-77-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H21F2N3O3 and a molecular weight of 401.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1326876-77-0
Jingsj CID
J-426476-9
Molecular Formula
C21H21F2N3O3
Chinese Name
5-[(3,5-二氟苯基)甲基]-2-(3,4-二甲氧基苯基)-1,2,3,3a-四氢吡唑并[1,5-a]吡嗪-4-酮
Molecular Weight
401.4 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one?

The CAS number of 5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one is 1326876-77-0.

What are the molecular formula and molecular weight of 5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one?

5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one has molecular formula C21H21F2N3O3 and molecular weight 401.4 g/mol.

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

Last updated:

How to cite: Jingsj. "5-[(3,5-Difluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one (CAS 1326876-77-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-426476-9 (accessed 2026-10-24).

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