L-Hydroxyproline L-Hydroxyproline Pharmaceutical GradeMolecular FormulaC5H9NO3CAS No.51-35-4Molecular Weight131.12Other NameL-4-hydroxyprolineAppearanceWhite Crystalline PowderSpecific Rotation-74.0° 77.0°Melting Point234-237°CPackagingIn Cardboard Drum ,25KG Net WeightUsagesL-Hydroxyproline(pharmaceutical grade ) is mainly used as biochemical reagent andpharmaceutical intermediate .