2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 63177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72171 Gentian (Crystal) Violet Price on request BDE-181 2,2',3,4,4',5,6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 71822 1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request