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 98860 Formaldehyde-DNPH Level 3 (1.0ug/mL) Price on request 95343 Method 8141 Extra Analytes Price on request B519496 Bisphenol A-13C2, 2,5mg Price on request