WS Organonitrogen Pesticides Back Catalog number: 38129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673246 Demeton-S-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 11786.10 1,2,3,5,7,8-Hexachloronaphthalene,,,, Price on request 675716 Chlormephos, 100 µg/ml, Ethyl acetate, 5ml Price on request