Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFUDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 96218 PCB Isomer Standard, 100µg/ml in Isooctane, 1ml Price on request 676410 Milbemectin A3, 100 µg/ml, Acetonitrile, 1ml Price on request 679802 Roxithromycin, 100 µg/ml, Methanol, 1ml Price on request