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 679088 2,4'-Methoxychlor, 10mg Price on request 59412 IC Anion Standard Price on request 53140 EPA 1620 Standard 2 Price on request