2,4-D Back Catalog number: 79255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2497.16-K-IO Tetra-n-butyltin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1461-25-2 Price on request EPA-1633STK EPA Method 1633 Native PFAS Stock Solution/Mixture, in MeOH, 1,2ml Price on request 70273 Tetrachloro-m-xylene, 1000μg/ml in MeOH, 1ml Price on request