Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPCB-MXD Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request 2615.34-200-T Isoviolanthrone, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 128-64-3 Price on request 54164 Perchlorate (ClO4-) Price on request