Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55300 pH @ 25°C Price on request 9286.25-K-ME Quinapril hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 82586-55-8 Price on request 73570 4,4'-Methoxychlor olefin Price on request