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 73685 4-Hydroxy-2-butanone Price on request 92219 Semi-Volatile Standard Price on request 1631.10-100-ME Cimetidine sulphoxide dihydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54237-72-8 Price on request