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(2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid

Also known as: (2S)-2-(2-oxo-1-pyrrolidinyl)butanoic acid, (S)-2-(2-oxopyrrolidin-1-yl)butanoic acid, (S)-2-(2-oxo-pyrrolidin-1-yl)-butyric acid, (S)-2-(2-oxopyrrolidin-1-yl)-2-butanoic acid, (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetic acid, 1-Pyrrolidineacetic acid, alpha-ethyl-2-oxo-, (alphaS)-, Levetiracetam carboxylic acid, Levetiracetam S-carboxylic acid, Levetiracetam metabolite, Levetiracetam impurity 1, Levetiracetam impurity 2, (S)-Levetiracetam EP impurity A, UCB-L 057, MFCD08272027

(2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid (CAS 102849-49-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H13NO3 and a molecular weight of 171.194 g/mol. Key properties include a melting point of 118-121°C, a boiling point of 371.0±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 178.2±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
102849-49-0
Jingsj CID
J-1065577-3
Molecular Formula
C8H13NO3
Molecular Weight
171.194 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point118-121°C
Boiling Point371.0±25.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point178.2±23.2 °C
Exact Mass171.089539
PSA57.61000
LogP0.12
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.517
Storage Conditions-20°C Freezer

Frequently Asked Questions

What is the CAS number of (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid?

The CAS number of (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid is 102849-49-0.

What are the molecular formula and molecular weight of (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid?

(2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid has molecular formula C8H13NO3 and molecular weight 171.194 g/mol.

What are the upstream and downstream products of (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid?

For (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid, Upstream Products: 1-[(1S)-1-(Hydroxymethyl)propyl]-2-pyrrolidinone, (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid; (1R)-1-phenylethanamine, 2-Pyrrolidinone; Downstream Products: Levetiracetam.

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

Last updated:

How to cite: Jingsj. "(2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid (CAS 102849-49-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1065577-3 (accessed 2026-11-09).

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