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 9281.22-100MG Tadalafil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 171596-29-5 Price on request 50058 Mix #2 Price on request 8646.12-50-NN 1,2,3,4,7-Pentachlordibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request