2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Back Catalog number: 66157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended I821310 (+)-Isomenthol, 100mg Price on request ACQ-SE08-115 Ethanol standard in serum,0.8g/L,serum, 1.5mL Price on request 675042 Alachlor ESA sodium salt, 10mg Price on request