Product Name: L-Proline CAS No: 147-85-3 Formulae hypotheticae: C5H9NO2 Molecular Weight: 115.13 EINECS No.: 205-702-2 punctum liquescens: 228 °C (dec.) (lit.) Locus Origin: Sina Type: Food Additive Appearance: Crystalline Powder Color White Purity: 99.9%