Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9470.16-100-ME Aceclofenac, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 89796-99-6 Price on request 679993 6-Hydroxytropinone, 10mg Price on request 50657 ICP Mix #2 Price on request