Heptachlor epoxide Back Catalog number: 72764 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended YA14470100AL Isoproturon D6 (dimethyl D6), 1000µg/mL in Acetonitrile, 1ml Price on request 79685 Systhane Price on request 2215.10-K-T 1-Aminonaphthalene-d7, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78832-53-8 Price on request