Heptachlor epoxide Back Catalog number: 79301 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2030.12-50-NN 1-Chlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 688320 Bromodichloroacetic acid, 100µg/ml in Water, 1ml Price on request 72302 4-Chlorobenzaldehyde Price on request