Glycyl-L-Tyrosine

white or near white powder.Specific Rotation:+48--+56 result :+52.1PH:4.5-6.5 last:5.43 Cyclo(Gly-Tyr)less than 0.5% 0.027% Other individual Impurities:less than 0.3% 0.07% Total Impuritites:less than 0.5% 0.27%.Residue on Ignition:less than 0.5% 0.06% Heavy metal 10ppm complies