Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8734.8-500MG 2,6-Dimethylolphenol, neat, Solvent-neat, Unit 500mg, # of units-, Cas.no. 2937-59-9 Price on request 3967.19-K-IO Diphenyltolylphosphate, 1000µg/ml in IO, 1ml Price on request 677419 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone, 50mg Price on request