Reference Fish Tissue Extract (Isooctane/20% Salmon Oil), 3g, Isooctane Back Catalog number: WMF-EX Availability: In the manufacturer's stock Price on request - + Recommended 70946 Hexabromobiphenyl Price on request HCH-MXA Native HCH Solution/Mixture, 1.2ml, nonane Price on request 79127 o-Cresol Price on request