Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 680986 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended ACQ-SE40-115 Ethanol standard in serum,4.0g/L,serum, 1.5mL Price on request 96927 Aldehyde & Ketone Standard Price on request 8906.17-100-ME (-)-Scopolamine hydrobromide trihydrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 114-49-8 Price on request