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 50202 Nitrite as NO2- Price on request 680965 2-Nonanone, 1ml Price on request 70374 Ethyl acrylate Price on request