L-Proline A non-essential amino acid. Precursor of hydroxyproline in collagen. 产品信息 Form White solid Molar mass 115.1 Purity ≥98% by TLC Solubility H2O Chemical formula C5H9NO2 RTECS TW3584000 CAS number 147-85-3 Merck USA index 14, 7780 商店和运输信息 Storage +15°C to +30°C Ship Ambient Temperature Only Standard Handling