13C6-Tolfenamic acid, 10mg Back Catalog number: 679664 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8484.15-50MG Metoprolol (free base),neat,neat,50mg, Price on request 680373 Ethylene thiourea, 100 µg/ml, Acetonitrile, 1ml Price on request 0050.22-100-T 6-Nitroanthanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 111438-94-9 Price on request