PCB Congeners Standard Back Catalog number: 94239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P192500-25MG Paraxanthine, 25mg Price on request S-4053-K-10T Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request MBDE-154 2,2',4,4',5,6'-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request