Total Acid Number Standard 0.5 Back Catalog number: S-4340-0.5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 675250 Pyriproxyfen, 100 µg/ml, Acetonitrile, 5ml Price on request 15900-1939-10CY10 Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml Price on request 676008 D3-Methomyl, 100 µg/ml, Acetonitrile, 1ml Price on request