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 1813.18-10MG 7-Bromobenz[a]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 32795-84-9 Price on request 680600 UV-328, 100mg Price on request 92264 Ethers & Thioethers Price on request