CAS 94-11-1 appears in our catalog under these names: 2,4-D-isopropyl ester, 2,4-D-isopropyl ester 100 µg/mL in Cyclohexane, 2,4-Dichlorophenoxyacetic acid isopropyl ester, 98%, 98%, 2,4-D-iso-propyl ester, 2,4-D isopropyl ester, 98%. Offered by: Dr. Ehrenstorfer, Chemat, HPC Standards, Fluorochem. Available pack sizes: 250mg, 1ml, 100mg, 500mg, 1g, 5g, 1x250mg, 10g.