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Thermo Scientific™ Pierce™ OPD Substrates

Water-soluble horseradish peroxidase (HRP) substrate that produces a yellow-orange product detectable at 492nm by ELISA plate readers.

Brand:  Thermo Scientific™ 34006

Code : PN

Additional Details : CAS Number : 50654-94-9 Weight : 1.81440kg Transport : UN number : 1673 Chem class : 1b Pack group : III

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Product Code. 11879250

  • £131.36 / 50 tablets

EU Stock 33
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OPD (o-phenylenediamine dihydrochloride) yields a water-soluble yellow-orange product when reacted with peroxidase with an absorbance maximum of 492nm. OPD can easily be dissolved in a substrate buffer such as Thermo Scientific Stable Peroxide Substrate Buffer (Part No. 34062).


  • Water soluble product when reacted with peroxidase
  • Absorbance maximum of 492nm


Pierce OPD Tablets
Tablets containing 5mg of o-phenylenediamine dihydrochloride with inert filler as the balance
50 tablets
Preparing 10mL of 1X substrate buffer with each tablet