2-(2-Oxopyrrolidin-1-yl)butanoic acid
alpha-乙基-2-氧代-1-吡咯烷乙酸
Also known as: alpha-Ethyl-2-oxo-1-pyrrolidineacetic acid, Levetiracetam EP Impurity A, Levetiracetam impurity A, Etiracetam carboxylic acid, 2-(2-Oxo-1-pyrrolidinyl)butanoic acid, UNII:T5GZ0UL12V, (2RS)-2-(2-Oxopyrrolidin-1-yl)butanoic acid, 2-(2-oxopyrrolidin-1-yl)butanamide, Ethyl-2-oxo-1-pyrrolidineacetic acid
- CAS No.
- 67118-31-4
- Jingsj CID
- J-1157828-2
- Molecular Formula
- C8H13NO3
- Chinese Name
- alpha-乙基-2-氧代-1-吡咯烷乙酸
- Molecular Weight
- 171.194 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 155-158ºC |
|---|---|
| Boiling Point | 371.0±25.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 178.2±23.2 °C |
Frequently Asked Questions
What is the CAS number of 2-(2-Oxopyrrolidin-1-yl)butanoic acid?
67118-31-4
What are the molecular formula and molecular weight of 2-(2-Oxopyrrolidin-1-yl)butanoic acid?
C8H13NO3, molecular weight 171.194 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026