Demeton O Back Catalog number: 9439.8-100-AN Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 2828.16-50-ME Perfluorohexadecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 67905-19-5 Price on request 677838 2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml Price on request 91036 1-Methyl-2-pyrrolidinone Price on request