2,2',3,3',4,6,6'-Heptachlorobiphenyl Back Catalog number: 66176 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53024 CLP ILM 3.0 / 5.3 Interferents A Price on request 54124 Total Residual Free Chlorine (Cl) Price on request 54357 WP Magnesium (Mg) Price on request