Heptachlor epoxide Back Catalog number: 72764 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2883.29-5UG 17ß(H),18 alpha(H)-28-Nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 92882 RMA Verification Standard Price on request F597982 (E/Z)-Flupentixol-d4 Dihydrochloride, 1mg Price on request