Diclofenac sodium, 100 µg/ml, Methanol, 1ml Back Catalog number: 680861 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 31004 EPA Method 500 Series Internal Standard Price on request 9296.22-100-AC Propoxyphene hydrochloride, 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 1639-60-7 Price on request FRS-068S 1,2,5,6-Tetrabromocyclooctane, 100 µg/mL in TO,1ml Price on request