简要说明：同晟牌的乙酰-L-酪氨酸537-55-3产品：估价：1，规格：完善，产品系列编号：齐全

　　 

Item	Standard	Analysis data
Appearance	White crystals or crystalline powder	Conforms
PH	5.0 to 6.5	5.8
Melting Point(℃)	223-225℃	225
Specific rotation[α]20/D  (C=0.8 inH2O)	+49 ±2 Degree	+50.5Degree
Loss on drying	Not more than 1.0%	0.65%
Residue on ignition(sulfated)	Not more than 0.20%	0.07%
Assay	Not less than 99%	99.5%