
D4200-5 by Zymo Research is ZymoPURE Wash 1, the ready-to-use first wash buffer (5 ml per prep) applied after DNA binding in ZymoPURE II Midiprep, Maxiprep, and Gigaprep workflows. No ethanol preparation needed. Removes initial-pass protein and RNA contaminants before ZymoPURE Wash 2 (D4200-6). Available in 20–500 ml sizes.