97.0% ~ 103.0% (USP30) &98.0% ~ 102.0% (BP2006) according to BP2006/USP30
DESCRIPITON: A WHITE TO GREYISH-WHITE OR YELLOWISH-WHITE, FINE CRYSTALLINE POWDER OR FINE CRYSTALS, NEEDLES OR ELONGATED
IDENTIFICATION: A. IR (BP2006/USP30)
B. HPLC (USP30)
MELTING POINT: 149.0℃ ~ 153.0℃