4-Ethylcatechol, 100 µg/ml, Methanol, 10ml Back Catalog number: 678043 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1728.15-K-IO 3-Methoxyphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 835-06-3 Price on request DFP-LCS-B20 Mass-Labelled PCDDs/PCDFs/PCBs Solution/Mixture, 1.2ml, nonane Price on request 50792 Ammonium as N Price on request