2,4-D n-butyl ester Back Catalog number: 71629 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30104 EPA Method 551.1 Performance Check Soln Price on request S-4045-05-10ME Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL Price on request 10016.18-1ML 2-Octadecanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 7373-13-9 Price on request