Xylene cyanol

Xylene cyanol is most commonly used as an agarose gel electrophoresis size marker. It runs alongside different DNA length markers depending on the % of the agarose gel (while it's own molecular weight is around 540g/mol).

• 5000 bp at 0.5
• 4000 bp at 1.5%
• 750 bp at 2.0%
• 200 bp at 3.0%

order information

• CAS 2650-17-1

• e.g. Sigma Xylene Cyanol FF X4126 10g at around €50

see also

• agarose gel loading buffer
• agarose gel electrophoresis
• Cresol Red
• Bromophenol blue

external links

• Xylene cyanol in the wikipedia