Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1513.19 11-Methylbenz[a]anthracene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 6111-78-0 Price on request 684638 Gemfibrozil, 100µg/ml in Acetonitrile, 1ml Price on request 677826 1-Methylpiperidine, 1000mg Price on request