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 3741.12-100-IO 2,3,4',5,6-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 18259-05-7 Price on request 0728.12-K-IO 2,3-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 581-40-8 Price on request 676151 D5-Fenpropathrin, 5mg Price on request