Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 79391 2,4-Dichlorophenol-d3 Price on request 2016.12-100-IO 2,3,3',4,4',5,5'-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39635-31-9 Price on request DD-28-S 2,8-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request