CAS Registry Number:4347-18-6
Name:

(S)-4-oxopyrrolidine-2-carboxylic acid

4-Oxo-L-proline

Chemical Formula: C5H7NO3
Exact Mass: 129.04
Molecular Weight: 129.11
m/z: 129.04 (100.0%), 130.05 (5.6%)

InChI
InChI=1S/C5H7NO3/c7-3-1-4(5(8)9)6-2-3/h4,6H,1-2H2,(H,8,9)/t4-/m0/s1
InChI Key
HFXAFXVXPMUQCQ-BYPYZUCNSA-N
Canonical SMILES
C1C(NCC1=O)C(=O)O

Specification

98%

PCT Int. Appl. (2015), WO 2015019238 A1 20150212.

Eur. Pat. Appl. (2010), EP 2230312 A1 20100922