Heptachlor-exo-epoxide (cis-, isomer B), certified, 10mg Back Catalog number: C14101000 Availability: In the manufacturer's stock Price on request - + Recommended 32621 1-Bromo-2-chloroethane Price on request 51120 Column Evaluation Mix ASTM D-5134 Price on request 97790 Internal & Surrogate Standard Price on request