2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 5TDWD Combined Window Defining/TCDD Resolution Mix, 1.2ml, nonane Price on request 12013.20-50MG Bis(4-methyl-1-pentyl) phthalate,neat,neat,50mg, Price on request 79843 Deltamethrin, 1000µg/ml in MeOH, 1ml Price on request