简要说明：同晟牌的D-缬氨酸640-68-6产品：估价：1，规格：完善，产品系列编号：齐全

　　 

Item	Standard	Analysis data
Appearance	White or off-white crystalline powder	White or off-white crystalline powder
Specific Rotation (C=2,5NHCL)	-26.0°～ -29.0	-26.3°
Chloride (Cl)	not more than 0.02%	accordance
Loss on drying	≤0.5%	0.20%
Residue on Ignition	not more than 0.2%	0.07%
Heavy Metals(Pb)	not more than 10ppm	accordance
Assay	98.5 to 100.5%	99.0%