TFNG, 25mg Back Catalog number: 680511 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 79031 Chrysene Price on request X23105500CY Chloroparaffin C10-C13 55,5% Cl, 100µg/ml in CY, 10ml Price on request