PAH Standard Back Catalog number: 91597 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673113 Thiamine mononitrate, 250mg Price on request 1841.11-1G 4-n-Butylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 20651-71-2 Price on request 683842 Vamidothion, 100 µg/ml, Acetonitrile, 5ml Price on request