N-methylperfluoro-1-octanesulfonamidoacetic acid isomeric mixture, 50µg/ml in MeOH, 1,2ml Back Catalog number: BR-NMEFOSAA Availability: In the manufacturer's stock Price on request - + Recommended 12047.2-K-ME Ethyl sulfate-d5 sodium salt,1000 µg ethyl sulfate/mL,MeOH,1mL, Price on request XA20920000AL Phenanthrene, 100µg/mL in Acetonitrile, 1ml Price on request 96869 Heptachlor epoxide Price on request