Alternate Interferents A Back Catalog number: 53026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2054.22-100MG Dibenzyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 523-31-9 Price on request 59908 Cations Std. Level 3 Price on request 676833 1-Aminohydantoin hydrochloride, 100mg Price on request