Propionic acid, 1ml Back Catalog number: 680167 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9432.21 trans-Permethrin (isomer mix), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61949-77-7 Price on request 59906 Cations Std. Level 1 Price on request 3060.2-KIT Dinosterane Kit; includes 3056,3057, , Solvent-, Unit Kit, # of units-, Cas.no. Price on request