Allopurinol, 100µg/ml in Acetonitrile, 5ml Back Catalog number: 18000-0037-100AN5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended SC-476114 Trimethylhexamethylenediamine, 25ml Price on request 71681 Pentachlorofluoroethane Price on request EPA-1613CVS EPA Method 1613 Calibration Kit, 5 ampoules, nonane Price on request