5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one

5-甲基-1-(叔丁氧羰基)吡咯烷-2-酮

Also known as: (+/-)-1-(tert-butoxycarbonyl)-5-methyl-2-pyrrolidinone, 1-Pyrrolidinecarboxylic acid, 2-methyl-5-oxo-, 1,1-dimethylethyl ester, 2-Methyl-5-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester, tert-Butyl 2-methyl-5-oxopyrrolidine-1-carboxylate

5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one (CAS 128372-77-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H17NO3 and a molecular weight of 199.25 g/mol. It is also known as (+/-)-1-(tert-butoxycarbonyl)-5-methyl-2-pyrrolidinone, 1-Pyrrolidinecarboxylic acid, 2-methyl-5-oxo-, 1,1-dimethylethyl ester and 2-Methyl-5-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 128372-77-0
Jingsj CID: J-117102-2
Molecular Formula: C₁₀H₁₇NO₃
Chinese Name: 5-甲基-1-(叔丁氧羰基)吡咯烷-2-酮
Molecular Weight: 199.25 g/mol
Category: Ketones
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one?

The CAS number of 5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one is 128372-77-0.

What are the molecular formula and molecular weight of 5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one?

5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one has molecular formula C10H17NO3 and molecular weight 199.25 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. "5-Methyl-1-(tert-butyloxycarbonyl)pyrrolidine-2-one (CAS 128372-77-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-117102-2 (accessed 2026-10-23).

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