L-Ribose

Melting Point:
~90-92°C

Solubility:
Methanol; Water

Loss on Drying:
≤ 1%

Specific Rotation:
+16.7° (10min.; c = 1, in water)

Heavy Metals:
≤ 0.001%

Arsenic:
≤ 0.0002%

Method for Determining Identity:
Proton NMR and Specific Rotation

TLC Conditions:
SiO2; Dichloromethane : Methanol (4 : 1). Visualized with AMCS (single spot; Rf =.0.35).

Storage and Stability:
Store dessicated at -4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.