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Overview
(R)-pyrrolidine-2-carboxylic acid (D-Proline) is an isomer of the naturally occurring amino acid L-Proline. D-amino acids, including D-Proline, are found in relatively high abundance in human plasma and saliva, potentially originating from bacterial sources or endogenous production via amino acid racemase activity.
Chemical Properties
| Molecular Formula | C5H9NO2 |
| Molecular Weight | 115.13 |
| CAS Numbers | 344-25-2 |
| Solubility | DMSO |
| Purity | 98% by HPLC |
| SMILES Code | C(O)(=O)[C@H]1CCCN1 |
Storage and Handling
0C Short Term, -20C Long Term
References
Nagata Y, et al. The presence of high concentrations of free D-amino acids in human saliva. Life Sci. 2006 Mar 6;78[15] 1677-81.