5-[(E)-2-(4-hydroxyphenyl)ethenyl]benzene-1,3-diol,
C 14 H 12 O 3 ,
228,25 Da,
501-36-0,
 Trans -resveratrol,Not less than 99 %,
Total by-products (related substances),Not more than 0,5 %,
Any single related substance,Not more than 0,1 %,
Lead,Not more than 1 ppm,
Mercury,Not more than 0,1 ppm,
Cadmium,Not more than 0,5 ppm,
Arsenic,Not more than 1 ppm,
Loss on drying,Not more than 0,5 %,
Sulphated ash,Not more than 0,1 %,
Diisopropylamine,Not more than 50 mg/kg,