Perfluoro-4-methyloctanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: P4MOA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 52043 Calibration Standard Mix 1 Price on request 3227.20-K-IO Arachidonic acid (5,8,11,14 all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-32-1 Price on request 90822 PAH Standard Price on request