Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFHPA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 675708 4-Nonylphenol-di-ethoxylate, 10.0 µg/ml, Acetone, Price on request 676429 Atrazine-desethyl-desisopropyl, 100mg Price on request 678009 Terbufos-sulfone, 100 µg/ml, Toluene, 1ml Price on request