1,2,3,4,7,8,9-Heptachlorodibenzofuran Back Catalog number: 10637.12-50-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 678006 Isocarbophos, 100 µg/ml, Cyclohexane, 1ml Price on request PFOS-001S Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Price on request 50789 ICP HM Check Std B Price on request