Items

Specification

Appearance:

White crystal powder.

Assay:

Not less than 99%

Specific rotation:

+1.6 to +2.6

Sulfate:

Not more than 0.04%

Chloride:

Not more than 0.01%

Heavy metals (Pb):

Not more than 20ppm

Arsenic:

Not more than 2ppm

Fumaric acid:

Not more than 0.5%

Maleic acid:

Not more than 0.05%

Residue on ignition:

Not more than 0.1%

Optical purity (Chiral HPLC):

Not less than 99%