PCB No. 157, 10µg/ml in Isooctane, 10ml Back Catalog number: L20015700IO Availability: In the manufacturer's stock Price on request - + Recommended S13043-0.1 24R,25-Dihydroxyvitamin D3-[d6), 100μg/ml, 1ml Price on request DF-LCS-A40 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request 680489 D-(+)-Gluconic acid delta-lactone, 500mg Price on request