(S)-4-Oxopyrrolidine-2-carboxylic acid
(S)-4-氧代吡咯烷-2-羧酸
Also known as: 4-Oxo-L-proline, 4-Keto-L-proline, (2S)-4-Oxopyrrolidine-2-carboxylic acid, 4-Ketoproline, 4-Oxoproline
(S)-4-Oxopyrrolidine-2-carboxylic acid (CAS 4347-18-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7NO3 and a molecular weight of 129.11400 g/mol. It is also known as 4-Oxo-L-proline, 4-Keto-L-proline and (2S)-4-Oxopyrrolidine-2-carboxylic acid. Key properties include a boiling point of 341.8ºC at 760 mmHg, a density of 1.38 g/cm1.38 g/cm3 and a flash point of 160.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4347-18-6
- Jingsj CID
- J-1454294-9
- Molecular Formula
- C5H7NO3
- Chinese Name
- (S)-4-氧代吡咯烷-2-羧酸
- Molecular Weight
- 129.11400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 341.8ºC at 760 mmHg |
|---|---|
| Density | 1.38 g/cm1.38 g/cm3 |
| Flash Point | 160.5ºC |
Frequently Asked Questions
What is the CAS number of (S)-4-Oxopyrrolidine-2-carboxylic acid?
The CAS number of (S)-4-Oxopyrrolidine-2-carboxylic acid is 4347-18-6.
What are the molecular formula and molecular weight of (S)-4-Oxopyrrolidine-2-carboxylic acid?
(S)-4-Oxopyrrolidine-2-carboxylic acid has molecular formula C5H7NO3 and molecular weight 129.11400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-4-Oxopyrrolidine-2-carboxylic acid (CAS 4347-18-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454294-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.