Methyl 5-oxo-DL-prolinate
甲基5-氧代吡咯烷-2-甲酸酯
Also known as: Methyl DL-pyroglutamate, Methyl 5-oxopyrrolidine-2-carboxylate, 5-Oxo-DL-proline methyl ester, (±)-5-Oxoproline methyl ester, Methyl 2-pyrrolidinone-5-carboxylate, Methyl 5-oxoprolinate, DL-Pyroglutamic acid methyl ester
Methyl 5-oxo-DL-prolinate (CAS 54571-66-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9NO3 and a molecular weight of 143.141 g/mol. It is also known as Methyl DL-pyroglutamate, Methyl 5-oxopyrrolidine-2-carboxylate and 5-Oxo-DL-proline methyl ester. Key properties include a boiling point of 304.7±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 138.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54571-66-3
- Jingsj CID
- J-1445429-9
- Molecular Formula
- C6H9NO3
- Chinese Name
- 甲基5-氧代吡咯烷-2-甲酸酯
- Molecular Weight
- 143.141 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 304.7±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 138.1±25.9 °C |
Frequently Asked Questions
What is the CAS number of Methyl 5-oxo-DL-prolinate?
The CAS number of Methyl 5-oxo-DL-prolinate is 54571-66-3.
What are the molecular formula and molecular weight of Methyl 5-oxo-DL-prolinate?
Methyl 5-oxo-DL-prolinate has molecular formula C6H9NO3 and molecular weight 143.141 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 5-oxo-DL-prolinate (CAS 54571-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445429-9 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.