2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681878 Flamprop-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 2056.20-100MG Diphenyl phthalate,neat,neat,100mg, Price on request 2528.3-100MG 1,3,5-Triazine-2,4,6-triamine (Melamine), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 108-78-1 Price on request