5-Oxopyrrolidine-3-carboxylic acid
Also known as: 5-Oxo-3-pyrrolidinecarboxylic acid, 2-Oxopyrrolidine-4-carboxylic acid, 3-Pyrrolidinecarboxylic acid, 5-oxo-, 4-Carboxy-2-pyrrolidinone, 4-carboxy-2-oxopyrrolidine, 5-Oxo-pyrrolidine-3-carboxylic acid, 5-ketopyrrolidine-3-carboxylic acid, DL-2-Pyrrolidone-4-carboxylic acid, DL-Isopyroglutaminsaeure
5-Oxopyrrolidine-3-carboxylic acid (CAS 7268-43-1) 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 129.114 g/mol. Key properties include a boiling point of 453.1±38.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 227.8±26.8 °C. It is listed by 2 suppliers, 1 of which publish reference prices, from 64.00 to 200.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 7268-43-1
- Jingsj CID
- J-1571746-1
- Molecular Formula
- C5H7NO3
- Molecular Weight
- 129.114 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥32,000.00 | $9.58 /gBest ¥64.00/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥6,800.00 | $10.18 /g ¥68.00/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥2,500.00 | $14.96 /g ¥100.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Boiling Point | 453.1±38.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 227.8±26.8 °C |
| Exact Mass | 129.042587 |
| PSA | 66.40000 |
| LogP | -2.12 |
| Vapor Pressure | 0.0±2.4 mmHg at 25°C |
| Refractive Index | 1.512 |
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 5-Oxopyrrolidine-3-carboxylic acid?
The CAS number of 5-Oxopyrrolidine-3-carboxylic acid is 7268-43-1.
What are the molecular formula and molecular weight of 5-Oxopyrrolidine-3-carboxylic acid?
5-Oxopyrrolidine-3-carboxylic acid has molecular formula C5H7NO3 and molecular weight 129.114 g/mol.
Which suppliers offer 5-Oxopyrrolidine-3-carboxylic acid?
2 supplier(s) listed; reference unit price ¥64.00–200.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Oxopyrrolidine-3-carboxylic acid (CAS 7268-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1571746-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.