2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 63174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30016 4-Nitrophenol Price on request 50297 0.020 N Sodium Hydroxide Price on request 678243 Tris(2,4-di-tert-butylphenyl) phosphite, 250mg Price on request