C₅H₉NO₂

Appearance :White powder

Solubility: Colorless & clear (C=5, water)

Specific Rotation [20/D]:+83.5 to +86.5 Degree (C=4, water)

Loss on Drying: Not more than 0.40%

Residue on Ignition (Sulfate):Not more than 0.10%

Chloride (Cl) :Not more than 0.03%

Sulfate (SO4):Not more than 0.03%

Heavy Metals (Pb):Not more than 10ppm

Iron (Fe):Not more than 10ppm

Ammonium Salts (NH4):Not more than 0.02%

Arsenic (As):Not more than 1ppm

Other Amino Acids: Not detected by T.L.C.

Assay :98.5 to 101.0%

L-Isomer: Not more than 0.5%