2,4-D n-butyl ester Back Catalog number: 83601 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95618 505Mix Price on request 82514 EPA Method 8270C - B/N Matrix Spiking Solution Price on request 0683.29-100-IO (24S)-24-Ethylcholest-5,22-diene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 76879-05-5 Price on request