Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml Back Catalog number: MHCH-MXA Availability: In the manufacturer's stock Price on request - + Recommended 11438.19-100-IO Diphenyl-o-tolyl phoshate,100 µg/mL,isooctane,1mL, Price on request 678487 Profenofos, 100 µg/ml, Acetonitrile, 5ml Price on request 684227 N-Nitrosodiisopropylamine, 50mg Price on request