R0621 is referred as MassRuler DNA Loading Dye (6X) under Thermo Fisher Scientific catalogue. R0621 MassRuler DNA Loading Dye (6X) is used in Analysis of large DNA molecules, preparation of DNA ladders, markers and in preparation of samples for loading on agarose or polyacrylamide gels. 6X MassRuler DNA Loading Dye is used for conventional DNA electrophoresis. It includes single dye,bromophenol blue for visual tracking of DNA migration during electrophoresis. It includes EDTA that binds divalent metal ions and inhibits metal dependent nucleases. No DNA masking during gel exposure to UV light . The dye is compatible to acrylamide Gels and agarose Gels. The presence of glycerol ensures that the DNA in the ladder and sample forms a layer at the bottom of the well.

Specifications: R0621 MassRuler DNA Loading Dye (6X) should be stored at room temperature or at 4 C, for periods up to 12 months. For longer periods, store at -20 C.The unit size is 5 x 1.0 ml.