1-Naphthylacetic acid, 500mg Back Catalog number: 673968 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 51039 MA - EPH Fractionation Surrogate Spike Price on request 92790 EPA Method 8081A Pesticide Standard B Price on request 0651.20-K-IO Crocetane, 1000µg/ml in Isooctane, 1ml Price on request