ASTM D-4815 Calibration Mix #1 Back Catalog number: 51058 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677465 Fexofenadine hydrochloride, 10mg Price on request 1827.9-1G DL-2-Phenylpropionic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 492-37-5 Price on request 679630 4-Hydroxyantipyrine, 100mg Price on request