Naptalam, 100 µg/ml, Acetone, 1ml Back Catalog number: 680799 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 32095 EPA Method 551 Analytes Price on request C0181 Chlorogenic Acid Hydrate, >98%, 1g Price on request PAH-LCS-B PAH Labelled Compound Solution, 1.2ml, isooctane Price on request