Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 675717 Chlormephos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 20277 Prosulfocarb-d7, 2,5mg Price on request 38378 Haloacetic Acids PT Price on request