Perfluoro-n-nonanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 66188 2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Price on request 95367 Formaldehyde Price on request 79236 2,4-Dichlorophenylacetic acid Price on request