Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SC-200449 Ibotenic acid, >98%, 1mg Price on request 0068.8-K-CY Bicyclo[3.3.0]octane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 694-72-4 Price on request 680487 Shikimic acid, 100mg Price on request