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 50124 ICP Mix Price on request 70686 Fenthion, 1000µg/ml in Hexane, 1ml Price on request 50239 ICP Mix #1 Price on request