2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79377 Diethylamine Price on request 0101.28-200-IO (24R)-24-Methylcholest-5-ene and (24R)-24-Ethylcholest-5-ene, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 76866-89-2 / 76866-91-6 Price on request 94562 PAH Standard Price on request