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 EPA-513CVS EPA Method 513 Calibration Kit, 6 x 500ul, nonane Price on request 11169.6-100MG 4-Methylpyridine,neat,neat,100mg Price on request 30341R Aldicarb sulfoxide Price on request