2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 63171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8444.15-10MG 1-Ethyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-8, Cas.no. 6528-75-2 Price on request 0563.30-2MG 18ß(H)-Olean-12-en-3-one, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 638-97-1 Price on request 71184 N-Nitroso-N-methylurea Price on request