2,3,3',4,4',6-Hexachlorobiphenyl (158) Back Catalog number: 66158 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ICV-4-100 Initial Check Verif. Standard 4, in 4%HNO3, 100ml Price on request 673655 Penconazole, 10 µg/ml, Ethyl acetate, 10ml Price on request 57381 Thallium (Tl) Price on request