Wikipedia:  

L-Proline

L-Proline; (-)-(S)-Proline; PRO (IUPAC abbreviation); 2-Pyrrolidinecarboxylic acid, (S)-; CB 1707; (L)-PROLINE; (-)-2-Pyrrolidinecarboxylic acid; AI3-26710; Proline [USAN:INN]; L-(-)-Proline; L-Pyrrolidine-2-carboxylic acid
Molecular Formula
C5 H9 N O2
Natural Isotopic Abundance Mass
115.1304600000
Mono-Isotopic Molecular Masses
C12N14:   115.063328538
C13N14:   120.080102727
C12N15:   116.060363431
C13N15:   121.0771376205
L-Proline image
L-Proline
InCHi String:
InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1

isomeric SMILES:
C1C[C@@H](NC1)C(=O)O
canonical SMILES:
C1CC(NC1)C(=O)O


IUPAC: IUPAC traditional: IUPAC cas: IUPAC openeye: IUPAC systematic
(2R)-pyrrolidine-2-carboxylic acid



PubChem Substance (SID):   85164895   152149   3448
PubChem Compound (CID):   8988   145742
KEGG: Compound ID   C00148
CAS Registry IDs:   147-85-3   7005-20-1
PDB Chemical Component   PRO   PRO_LFOH   PRO_LFZW
Miscellaneous Databases and IDs:   CHEBI 17203   HSDB 1210   EINECS 205-702-2   NSC 46703   FEMA No. 3319   FEMA Number 3319

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.