Protopine, >98%, 20mg Back Catalog number: CFN99399 Availability: In the manufacturer's stock Price on request - + Recommended 676776 Metrafenone, 10 µg/ml, Cyclohexane, 10ml Price on request X9159 Aroclor 1016 Price on request ME 20080 Aqueous Ethanol Standard (0.8g/l), 10 x 1,2ml Price on request