Carbon (C) Back Catalog number: 57106 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request 94001 Indeno(1,2,3-cd)pyrene Price on request 72749 1,4-Diisopropylbenzene Price on request