Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 672910 lambda-Cyhalothrin, 100mg Price on request PCB-IS-B20 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request 94792 Benzoyl Ureas Mix Price on request