2,4-D n-butyl ester Back Catalog number: 83601 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51131 Aromatics Quantitative Calibration Mix #3 Price on request 1589.13-100-IO 2-Hydroxy-5,6,7,8-tetrahydro-9-methylcarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 50332 EPA Method 300.0 Anions QC Standard Price on request