2,3,5,6-Tetrabromo-p-xylene, 50mg Back Catalog number: 682265 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95589 Petroleum Marker Standard Price on request BPP 4,4'-(1,4-Phenylenediisopropylidene)bisphenol, 1.2ml x 50ug/ml, methanol Price on request 70193 Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Price on request