Supply of PMK 
 Price: 80 yuan / kg 
 English name: 3,4 - (methylenedioxy) phenylpropan-2-one Piperonyl methyl ketone 3,4-Methylenedioxphenyl-2-propanone Piperonylactone 
 CAS: 4676-39-5 
 Molecular formula: C10H10O3 
 Molecular Weight: 178.02 
 Chinese Name: PMK 
 Characters Description: The yellow oily liquid. The relative density of 1.194-1.201, 1.532-1.539 refractive index, specific gravity: 1.195 Boiling point: 283 ℃ 
 Content: ≥ 99% 
 Packing: 160kg / barrel 
 Uses: pharmaceutical intermediates for the synthesis of antimicrobial berberine fire extinction, L-methyldopa cardiovascular drugs, anti-hypertensive and anti-tumor drugs and so on.