Propionic acid Back Catalog number: 70345 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3492.10-100 Propetamphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 31218-83-4 Price on request 679800 Norfloxacin, 100 µg/ml, Methanol, 1ml Price on request 681721 2-Methyl-5-nitroaniline, 10.0 µg/ml, Acetonitrile Price on request