7 Component Dutch 7 PCB Congeners Mix at 100 µg/mL in Isooctane, 1 mL.

ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:2016 accredited.

12 month expiration date.

Components: 2,2,4′-Trichlorobiphenyl (BZ-28) 9CAS #37680-66-3), 2,2′,5,5′-Tetrachlorobiphenyl (BZ-54) (CAS #35693-99-3), 2,2′,4,5,5′-Pentachlorobiphenyl (BZ-101) (CAS #37680-73-2), 2,3′,4,4′,5-Pentachlorobiphenyl (BZ-118) (CAS #31508-00-6), 2,2′,3,4,4′,5′-Hexachlorobiphenyl (BZ-138) (CAS #35065-28-2), 2,2′,4,4′,5,5′-Hexachlorobiphenyl (BZ-153) (CAS #35065-27-1), 2,2′,3,4,4′,5,5′-Heptachlorobiphenyl (BZ-180) (CAS #31508-00-6).