Heptachlor epoxide (Isomer B), 50mg

Calibration sol. CS5 for HRGC/HRMS Analysis of PCBs, in Nonane, 200µl

Dimethyl sulfoxide

1,4-Dichlorobenzene-d4, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 3855-82-1