Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2472.6-K-IP 2,6-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 608-33-3 Price on request 2545.14-K-ME (+/-)Atenolol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7 Price on request 67040 Vitamins Price on request