Group 3 PCB’s - Low Toxicity Congeners Back Catalog number: 66214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BR-NMEFOSAA N-methylperfluoro-1-octanesulfonamidoacetic acid isomeric mixture, 50µg/ml in MeOH, 1,2ml Price on request 1805.12-K-IO 2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5 Price on request 52088 QC Standard 5 Price on request