Resorufin

Product ID: M0202



Unit SizePriceQuantity 
20mg
$22.37
  • Buy 5 for $17.90 each and save 20%

Availability: In stock


Description

Red fluorophore standard. Widely used in Amplex Red type enzyme assay systems.

Resorufin is a stable, red fluorophore widely used in cell labeling and enzyme assay systems. It represents the reduced dye formed from Amplex Red reaction or resazurin reductions.

Technical Data
SKU M0202
CAS Number 635-78-9
Unit Size 20mg
Absorption 571nm
Emission Wavelength 585
Extinction 54
Detection Method Fluorescence
Molecular Formula C₁₂H₇NO₃
Molecular Weight 213.19
Soluble In DMF, DMSO, H2O (>pH8)
Storage Conditions Room Temperature, Desiccated, Protect From Light
Notes 1) Absorption and fluorescence of resorufin are pH dependent. Below the pKa (~6.0), Abs. shifts to ~ 480nm and both E and fluorescence quantum yield are markedly lower. 2) Resorufin is unstable in the presence of thiols such as dithiothreitol (DTT) and 2-mercaptoethanol.

References and Citations

References:

  • Caballero I, Lafuente MJ, Gamo F-J, Cid C. (2016) "A high-throughput fluorescence-based assay for Plasmodium dihydroorotate dehydrogenase inhibitor screening." Analytical Biochemistry, 506, 13-21.
  • Chen JL, Ortiz R, Xiao Y, Steele TW J, Stuckey DC. (2015)"Rapid fluorescence-​based measurement of toxicity in anaerobic digestion." Water Research 75, 123-130.
  • Melo CM, Tersariol ILS, Nader HB, Pinhal MAS, Lima MA. (2015)"Development of new methods for determining the heparanase enzymatic activity." Carbohydrate Research (2015), 412, 66-70.
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