2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 66188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C641500 Colistin Sulfate, 1g Price on request 2578.28-5UG Diindeno[4,3,2,1-cdef;1',2',3'-hi]chrysene, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 169331-76-4 Price on request 59577 pH 5.0 Standard @ 25°C Price on request