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TECHNOLOGY 　L-Carnitine L-Tartrate 　DL-Carnitine Hydrochloride 　L-Carnitine Base 　Acetyl L-Carnitine Hydrochloride 　L-Carnitine Fumarate 　L-Carnitine Chloride   N-Acetyl-L- glutamic acid   (R)or(S) Phenyl-1,2 ethanediol    S(-)or R(+)-1,2-bi-2-naphtho   R(-)or S(+)1,2-propanediol   (R)or(S) 2-Phenyl ethylene oxide    R(-)or S(+)-3-Chloro-1,2-propanediol   S(-)or R(-)-3-amino-1,2-propanediol    Dibenzoyl-L- tartaricacid Dibenzoyl-D-tartaricacid   (R)or(S) 1,2-Epoxypropane   R(-) or S(+)Epichlorohydrin     R(-)or S(-)-Glycidyl tosylate 4. Acetyl L-carnitine Hydrochloride 　　Formula C9H18CLNO4 　　Molecular Weight 239.74 　　Structure Specification： 　　Description White crystalline powder 　　Solubility Very soluble in water,Insoluble in acetone 　　Specific rotation -26.5~-29.00(10% in water) 　　Assay 100±2% 　　pH 2.0~3.0(5% in water) 　　Loss on drying ≤1.0% 　　Residue on ignition ≤0.5% 　　Heavy metal ≤10ppm 　　Arsenic ≤2ppm 　　NH4- ≤0.5% 　　Packaging Paper or iron drum, 20kg/drum(net) ©2003 Shenzhen Asiatop Carnitine Biochemical Technology Co., Ltd.