Perfluoro-n-butanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1599.13-10MG 2-Hydroxyfluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2443-58-5 Price on request 677288 2,4,5-T, 100 µg/ml, Acetonitrile, 1ml Price on request 1125.20-K-IO 1,3-Diphenylbenzo[c]thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-39-6 Price on request