Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677928 2,3,4,5-Tetrachloroanisole, 100 µg/ml, Methanol, Price on request 79345 2,4,5-Trichlorophenol Price on request 31421 Toluene Price on request