Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 79310 Propachlor Price on request 684602 Chlorotoluron-desmethyl, 10μg/ml in Acetonitrile, 10ml Price on request 682001 Fumaric acid, 250mg Price on request