Heptachlor epoxide Back Catalog number: 72764 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended PN-56S 1,2,3,7,8-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 59924 Conductance @ 20°C [12,880 µmho/cm] Price on request 31491 1,2,4-Trimethylbenzene Price on request