Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-4-S 4-Chlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 94027 2002Mix 1 WY06 Price on request 0226.24-100-T Coronene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-07-1 Price on request