The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective a-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1a,25-dihydroxyvitamin D3 analogue, and phoslactomycin B.Form:White SolidMelting Point:131-133°CSolubility:DMSO, Methanol