3,4,5,6-Tetrachloroguaiacol Back Catalog number: 97617 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94830 PCB Congeners Price on request 675390 Propazine, 100 µg/ml, Acetonitrile, 5ml Price on request 673746 Bromocyclen, 10.0 µg/ml, Ethyl acetate, 10ml Price on request