Heptachlor epoxide Back Catalog number: 79050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H-159S 2,3-Benzanthracene, 50µg/ml in Toluene, 1ml Price on request 679876 2-Naphthylamine, 100 µg/ml, Acetonitrile, 1ml Price on request 12041.20-100MG Vitamin A,neat,neat,100mg, Price on request