D-Proline CAS Number : 344-25-2 Beilstein Registry Number: 1723527 EEC No: 2007359 Synonyms: (R)-Pyrrolidine-2-carboxylic acid Formula: C5H9NO2 Molecular Weight: 115.13 Description: A white to off-white powder that is soluble in water. Melting point: 220°C to 223 °C Packaging: 25 kg cardboard drums with two PE liner bags or as otherwise agreed upon. Shipping & Storage: Low humidity conditions are recommended to minimize caking/degradation potentials.Keep container tightly closed and inner bag sealed.Stored in a dry ambient environment. Shelf life: The shelf life of this material is 4 years from the date of manufacture if stored in ambient room temperature conditions. Product should be reevaluated if it exceeds expiration date. Risk phrases: not applicable Safety phrases: Avoid contact with skin and eyes Use: Pharmaceutical Intermediate. Specifications: Conform with AJI etc. Main items Appearance White crystalline powder Assay min 99% Transmittance min 98% Loss on drying max 0.5% Specific Rotation [α]D20 +85.5±1º (C=5, in water)