1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole

1-[2-(二苯基膦基)乙基]-3,5-二甲基-1H-吡唑

1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole (CAS 491837-90-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H21N2P and a molecular weight of 308.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 491837-90-2
Jingsj CID: J-667532-9
Molecular Formula: C₁₉H₂₁N₂P
Chinese Name: 1-[2-(二苯基膦基)乙基]-3,5-二甲基-1H-吡唑
Molecular Weight: 308.4 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole?

The CAS number of 1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole is 491837-90-2.

What are the molecular formula and molecular weight of 1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole?

1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole has molecular formula C19H21N2P and molecular weight 308.4 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. "1-[2-(Diphenylphosphino)ethyl]-3,5-dimethyl-1H-pyrazole (CAS 491837-90-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-667532-9 (accessed 2026-10-24).

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