Anions Mix Back Catalog number: 50154 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66155 2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Price on request 72344 1-(2,3-Dichlorophenyl)urea Price on request 9427.5-100MG Hexachlorocyclopentadiene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 77-47-4 Price on request