... Hydroxy-pyrrolidine-2-carboxylic acid 3. Molecular formula: C5H9NO3 4. CAS No.: 51-35-4 L-HydroxyprolineChemical name: L-4-Hydroxy-pyrrolidine-2-carboxylic ... , %≤0.1Assay, %≥99.9Application:L-Hydroxyproline, a hydroxylated form of the amino acid proline, is a major component of collagen ... , L-Hydroxyproline can be used in the ...