Xylene cyanol

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'''Xylene cyanol''' is most commonly used as an [[agarose gel electrophoresis]] size marker.
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[[Image:Agarose gel dyes.jpg|right|200px]]
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'''Xylene cyanol''' (XC) 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. Despite its smaller molecular weight of 539g/mol it runs slower than [[bromophenol blue]] (670g/mol) because of its charge (1 net negative charge).
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* 10'000 bp at 0.7%
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* 4000 bp at 1.5%
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* 750 bp at 2.0%
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* 200 bp at 3.0%
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== order information ==
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* CAS 2650-17-1
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* e.g. [http://www.sigmaaldrich.com/catalog/ProductDetail.do?N4=X4126|SIGMA&N5=SEARCH_CONCAT_PNO|BRAND_KEY&F=SPEC Sigma Xylene Cyanol FF X4126] 10g at around €50
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== see also ==
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* [[agarose gel loading buffer]]
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* [[agarose gel electrophoresis]]
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* [[Cresol Red]] - faster than XC
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* [[Bromophenol blue]] - faster than XC
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== external links ==
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* [http://en.wikipedia.org/wiki/Xylene_cyanol Xylene cyanol in the wikipedia]
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[[Category:Material]] [[Category:Agarose gel electrophoresis]] [[Category:Dye]]

Current revision

Xylene cyanol (XC) 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. Despite its smaller molecular weight of 539g/mol it runs slower than bromophenol blue (670g/mol) because of its charge (1 net negative charge).

  • 10'000 bp at 0.7%
  • 4000 bp at 1.5%
  • 750 bp at 2.0%
  • 200 bp at 3.0%

order information

  • CAS 2650-17-1

see also

external links

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