Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 59412 IC Anion Standard Price on request MKI-C-CHK10 Check std, BTX, IBMA, di-octyl phth 10pk 69 831,72 Kč 79581 Methyl paraoxon Price on request