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 690058 Sintofen, 25mg Price on request 674901 Phenacetin, 250mg Price on request 1850.15-100MG 1-Anthracenecarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 607-42-1 Price on request