OurproductL Alanine has reached AJI92/FCCIV/USP30 standards, which has been exported to more than 30 countries. Alanine is extensively used in fine chemistry industry, one important raw material of VB6 and Alitame. assay: >=98.5% specific roation:+14.3degree-+15.2 degree pH: 5.7-6.7 loss on drying: <=0.5% heavy metal:<=30ppm chloride:<=0.05% Fe: <=20ppm SO4: <=0.03% Welcome to your inquiry forLAlanine and discuss the detailsabout the product.