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 10594.14-10MG (S)-(+)-Efavirenz Price on request 1650.11-100-IO 1,1,1,3,10,11-Hexachloroundecane, 100µg/mLin Isooctane, 1ml Price on request 683677 PCB 209, 100 µg/ml, Isooctane, 5ml Price on request