PAH Standard Back Catalog number: 91531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679942 Procaine hydrochloride, 250mg Price on request 96559 Doxepin Price on request 1151.31-K-IO n-Hentriacontane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-04-6 Price on request