bis(4-Chlorophenyl) methane Back Catalog number: 71984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54502 Fluoride (F-), 1000µg/ml in Water, 500ml Price on request 680862 D7-Atrazine-desethyl, 10mg Price on request 676312 Prometryn, 100 µg/ml, Acetonitrile, 1ml Price on request