Paraxanthine, 25mg Back Catalog number: P192500-25MG Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 682696 Isonicotinic acid, 1000mg Price on request 20052 CLP Semi-Volatiles - PAH Calibration Mix Price on request 673130 2,6-Mecoprop, 50mg Price on request