Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended MPN-48 2,3,6,7-Tetrachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 70301 1,3,5-Trimethylbenzene Price on request 92856 MSP Screen Standard Price on request