IADN Congener Set ((C-IADN-01/02/03), 3 x 1ml Back Catalog number: C-IADN-SET Availability: In the manufacturer's stock Price on request - + Recommended 10249.13-50-ME 2,4-Dihydroxybenzophenone-13C6, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 131-56-6 (unlabelled) Price on request 51134 GRO Standard C6-C10, 2000µg/ml in MetChloride, 1ml Price on request 681362 4-Nitrophenol, 1000mg Price on request