Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFHPA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 72025 5-Nitro-o-anisidine Price on request 1593.16-100-IO 4-Hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23682-01-1 Price on request M208704 Melamine-13C3,15N3, 1mg Price on request