Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 680986 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3963.3-1ML 1,2-Dibromo-3-chloropropane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 76-12-8 Price on request 2628.35-10UG 17 alpha(H),21ß(H)-(22RS)-Pentakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54370-82-0 Price on request L11203000CY oxy-Chlordane, 10µg/ml in Cyclohexane, 10ml Price on request