2,3’,4,5’,6-Pentachlorobiphenyl Back Catalog number: 66121 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 94731 3,3’-Dichlorobenzidine Price on request 3844.6-K-IP Hydroquinone, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 123-31-9 Price on request 3638.20-10-AN U{13C20}-Ochratoxin A, 10µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request