1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml Back Catalog number: 3656.6-K-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 6164-3-3L:250MG Pentafluoroethanesulfonic acid, 97%, 250mg Price on request 1525.20-100-TX5 Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 205440-82-0 Price on request WM48-CVS Calibration Kit for WHO & Marker PCBs; EN 1948-4:2010, 6 x 500ul, nonane Price on request