5-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one

5-[(2-氯-6-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-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one (CAS 1326833-19-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H21ClFN3O3 and a molecular weight of 417.9 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1326833-19-5
Jingsj CID
J-426477-0
Molecular Formula
C21H21ClFN3O3
Chinese Name
5-[(2-氯-6-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
417.9 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one?

The CAS number of 5-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one is 1326833-19-5.

What are the molecular formula and molecular weight of 5-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one?

5-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one has molecular formula C21H21ClFN3O3 and molecular weight 417.9 g/mol.

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

Last updated:

How to cite: Jingsj. "5-[(2-Chloro-6-fluorophenyl)methyl]-2-(3,4-dimethoxyphenyl)-1,2,3,3a-tetrahydropyrazolo[1,5-a]pyrazin-4-one (CAS 1326833-19-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-426477-0 (accessed 2026-10-24).

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