Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFUDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673641 Monocrotophos, 10 µg/ml, Ethyl acetate, 10ml Price on request 680373 Ethylene thiourea, 100 µg/ml, Acetonitrile, 1ml Price on request 11225.7-100-IO 4-Methylbenzotriazole-methyl-d3,100 µg/mL,isooctane,1mL, Price on request