PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681204 (-)-Hyoscyamine, 100mg Price on request 678246 tert-Butyl methyl ether, 100 µg/ml, Methanol, 1m Price on request 1037.18-200-T 1-Ethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17088-22-1 Price on request