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 98654 PAH Standard (50 ppm) Price on request 1238.7-1ML 2-Methylhexane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 591-76-4 Price on request 10287.13-200-T 1-Methylcarbazole Price on request