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 682001 Fumaric acid, 250mg Price on request GA09011133WA Glyphosate, 100µg/mL in Water, 1ml Price on request 52326 Gun Shot Residue Price on request