Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 680986 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0265.20-K-T Benzo[k]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9 Price on request 674583 Ciprofloxacin hydrochloride hydrate, 100mg Price on request 9492.6-100-IO Triethylphosphate-d15, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 135942-11-9 Price on request