1-Naphthyl acetic acid-ethyl ester, 250mg Back Catalog number: 681349 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 72072 n-Tetracosane-d50 Price on request DF-IS-G200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 93817 Semi-Volatile Standard Price on request