1-(2-methylphenyl)piperidin-2-one

1-邻甲苯-2-哌啶酮

Also known as: 1-o-tolyl-piperidin-2-one, 1-(2-tolyl)piperidin-2-one, 2-Piperidinone, 1-(2-methylphenyl)-, N-(2-methylphenyl)-2-piperidone

1-(2-methylphenyl)piperidin-2-one (CAS 343945-28-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H15NO and a molecular weight of 189.25400 g/mol. It is also known as 1-o-tolyl-piperidin-2-one, 1-(2-tolyl)piperidin-2-one and 2-Piperidinone, 1-(2-methylphenyl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 343945-28-8
Jingsj CID: J-1411575-4
Molecular Formula: C₁₂H₁₅NO
Chinese Name: 1-邻甲苯-2-哌啶酮
Molecular Weight: 189.25400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 1-(2-methylphenyl)piperidin-2-one?

The CAS number of 1-(2-methylphenyl)piperidin-2-one is 343945-28-8.

What are the molecular formula and molecular weight of 1-(2-methylphenyl)piperidin-2-one?

1-(2-methylphenyl)piperidin-2-one has molecular formula C12H15NO and molecular weight 189.25400 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-methylphenyl)piperidin-2-one (CAS 343945-28-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411575-4 (accessed 2026-10-23).

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