2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Back Catalog number: 66155 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended H995820 25-Hydroxy Vitamin D2, 1mg Price on request X9184 Pronamide Price on request 685206 Halauxifen-methyl, 25mg Price on request