APPEARANCE WHITE POWDER   COMPLIES

MELTING POINT  143--149     143--145

SPECIFIC ROTATION  +24° --+28°    +25°

IDENTIFICATION MEET THE REQUIREMENT COMPLIES

pH    3.1¡ª4.1      3.4

CHROMATOGRAPHIC PURITY MEET THE REQUIREMENT COMPLIES

FUMARATE 83.7~87.3mg 86.44mg

ABSORPTION  650NM: ¡Ü0.03   650NM: 0.02
   400NM: ¡Ü0.15   400NM: 0.03


WATER    ¡Ü0.5%     0.08%

RESIDUE ON IGNITION ¡Ü0.1     0.06%

HEAVY METALS  ¡Ü10PPM      COMPLIES

CONTENT    ¡Ý98.0%    98.3%(ON DRIED BASIS)