Paraxanthine, 25mg Back Catalog number: P192500-25MG Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 675397 Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Price on request 10002 CLP Semi-Volatiles Base/Neutrals Mix #2 Price on request 673630 Malathion, 100 µg/ml, Ethyl acetate, 5ml Price on request