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1-Methyl-5-oxo-D-proline methyl ester

Also known as: (R)-Methyl 1-methyl-5-oxopyrrolidine-2-carboxylate, Methyl (2R)-1-methyl-5-oxopyrrolidine-2-carboxylate, Methyl (R)-1-methyl-5-oxopyrrolidine-2-carboxylate, 1-Methyl-5-oxopyrrolidine-2-carboxylate, D-Proline, 1-methyl-5-oxo-, methyl ester

1-Methyl-5-oxo-D-proline methyl ester (CAS 122742-14-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11NO3 and a molecular weight of 157.16700 g/mol. Key properties include a boiling point of 264ºC, a density of 1.173 and a flash point of 113ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
122742-14-7
Jingsj CID
J-1512207-3
Molecular Formula
C7H11NO3
Molecular Weight
157.16700 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point264ºC
Density1.173
Flash Point113ºC
Exact Mass157.07400
PSA46.61000
Vapor Pressure0.0101mmHg at 25°C
Refractive Index1.476

Frequently Asked Questions

What is the CAS number of 1-Methyl-5-oxo-D-proline methyl ester?

The CAS number of 1-Methyl-5-oxo-D-proline methyl ester is 122742-14-7.

What are the molecular formula and molecular weight of 1-Methyl-5-oxo-D-proline methyl ester?

1-Methyl-5-oxo-D-proline methyl ester has molecular formula C7H11NO3 and molecular weight 157.16700 g/mol.

What are the upstream and downstream products of 1-Methyl-5-oxo-D-proline methyl ester?

For 1-Methyl-5-oxo-D-proline methyl ester, Upstream Products: Methyl (R)-(-)-2-pyrrolidinone-5-carboxylate, iodomethane, D-Pyroglutamic acid.

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

Last updated:

How to cite: Jingsj. "1-Methyl-5-oxo-D-proline methyl ester (CAS 122742-14-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512207-3 (accessed 2026-11-09).

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