Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 3425.9-100-CY Isobenzan Price on request 3961.0-10ML Refinery gasoline oxygenate free, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. Price on request EPA-8290HRCCAV Calibration Kit; Alternate Volume, 5 x 200ul, nonane Price on request