Heptachlor-exo-epoxide (cis-, isomer B), certified, 10mg Back Catalog number: C14101000 Availability: In the manufacturer's stock Price on request - + Recommended 72064 Diethyl phthalate-d4 Price on request 53337 Mixed Calibration Standard 3 Price on request 72300 2-Chlorobenzaldehyde Price on request