2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677686 Tetraethyltin, 100mg Price on request XA14463500ME Isopropylbenzene, 100 ng/µl, 1ml Price on request 57623 Vanadium (V) Price on request