2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ACQ-SE15-115 Ethanol standard in serum,1.5g/L,serum, 1.5mL Price on request 67015 Sulfa Drugs Price on request 681302 2-Methoxy-3,5-dimethylpyrazine, 10mg Price on request