Perfluoro-4-methyloctanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: P4MOA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3340.7-100 4-Chlorobenzyl mercaptan, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6258-66-8 Price on request PCB-CVS-H Calibration Kit for HRGC/HRMS Analysis of PCBs, 6 x 200ul, nonane Price on request 92581 PAH Standard Price on request