13C6-Tolfenamic acid, 10mg Back Catalog number: 679664 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 52143 EPA 1620 Standard 5 Price on request 675329 Metrafenone, 10.0 µg/ml, Acetonitrile, 10ml Price on request 8516-100-5DRIED Agroclavine, 100µg/ml, dried down, Solvent-dried down, Unit 5mL, # of units-1, Cas.no. Price on request