4-(4-methylphenyl)pyrrolidin-2-one

Also known as: 2-Pyrrolidinone, 4-(4-methylphenyl)-, 4-(4-methylphenyl)-2-pyrrolidinone, 4-(p-tolyl)pyrrolidin-2-one, 4-p-tolyl-pyrrolidin-2-one, F2147-1097, CTK1F6383

4-(4-methylphenyl)pyrrolidin-2-one (CAS 55656-95-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H13NO and a molecular weight of 175.22700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55656-95-6
Jingsj CID: J-1086687-6
Molecular Formula: C₁₁H₁₃NO
Molecular Weight: 175.22700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	175.10000
PSA	32.59000
LogP	1.87440

Customs & Trade Information

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-(4-methylphenyl)pyrrolidin-2-one?

The CAS number of 4-(4-methylphenyl)pyrrolidin-2-one is 55656-95-6.

What are the molecular formula and molecular weight of 4-(4-methylphenyl)pyrrolidin-2-one?

4-(4-methylphenyl)pyrrolidin-2-one has molecular formula C11H13NO and molecular weight 175.22700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-(4-methylphenyl)pyrrolidin-2-one (CAS 55656-95-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086687-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.