Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15986933 Perfluoromethane sulfinate sodium, 100mg Price on request 673399 Omethoate, 100 µg/ml, Acetonitrile, 5ml Price on request 680358 Genistein, 250mg Price on request