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 3393.14-100-AN EPN Price on request 93294 Urea Stock Solution Price on request 683696 Avanafil, 10mg Price on request