Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended L20785000CY 3,6-Dimethylphenanthrene, 10 ng/µl, 10ml Price on request 8630.31-10UG 3ß,17ß(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-96-2 Price on request MPN-75 Octachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request