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 53315 GFAA Initial Calibration Verification Price on request 675036 Tylosin B, 10mg Price on request 94580 Non-Derivatives Mix #2 Price on request