![Isoxepac](http://www.hengyuanpharm.com/pages/pro-37_en_clip_image001.gif)
Molecular formula: C16H12O4
Molecular weight: 268.27
Appearance:light yellow to white-like crystal powder
Loss on drying:≤ 0.5% ;
Residue on ignition:≤ 0.2% ;
Heavy metal:≤ 20ppm ;
Isomer:≤ 0.5% ;
Single contaminant:≤ 0.5% ;
Miscellaneous:≤ 1.0% ;
Purity:≥ 98.5%