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Thermo Scientific™ GeneRuler Ultra Low Range DNA Ladder, ready-to-use

Perform analysis of small dsDNA fragments on agarose or polyacrylamide gels. Ideal for siRNA analysis and premixed with Loading Dye for direct loading onto gel.

Supplier:  Thermo Scientific™ SM1213

Catalog No. FERSM1213



GeneRuler Ultra Low Range DNA Ladder, ready-to-use is recommended for sizing and approximate quantification of a wide range of double-stranded DNA on agarose or polyacrylamide gels. It is ideal for denaturing polyacrylamide gel electrophoresis. The ladder is a mixture of chromatography-purified individual DNA fragments.

GeneRuler Ultra Low Range DNA Ladder, ready-to-use, is premixed with 6X DNA Loading Dye for direct loading on gel.

The ladder is recommended for analysis of siRNA.

The ladder is supplied with 6X DNA Loading Dye for sample DNA.


  • Ideal for both DNA sizing and approximate quantification 
  • Ideal for non-denaturing polyacrylamide gel electrophoresis 
  • Ideal for analysis of siRNA 
  • Sharp bands 
  • Bright reference bands (given in red)
  • Can be directly loaded and are stable at room temperature for 6 months 
  • Supplied with loading dye for sample DNA 


Xylene Cyanol FF, Bromophenol Blue, Orange G
Agarose Gels
DNA Ladder
10 to 300 bp
Sustainable packaging
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Safety and Handling

ShelfLife : 6 Months



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For Research Use Only. Not for use in diagnostic procedures.