3-(2-Benzoxazolyl)umbelliferyl acetate

Product ID: M1253

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Fluorogenic esterase substrate with blue-green emission (468 nm) upon enzyme activity.

This esterase substrate produces a bright, blue-green emission (468 nm) upon esterase enzyme activity.

Technical Data
SKU M1253
CAS Number 97004-78-9
Unit Size 25mg
Alternative Names 7-Acetoxy-3-(2-benzoxazolyl)coumarin
Absorption 410nm
Emission Wavelength 468
Detection Method Fluorescence
Molecular Formula C₁₈H₁₁NO₅
Molecular Weight 321.28
Soluble In DMSO, DMF, EtOAc
Storage Conditions 2-8C, Desiccated

References and Citations


  • Koller, E, Wolfbeis, OS, (1985), "Syntheses and spectral properties of longwave absorbing and fluorescing substrates for the direct and continuous kinetic assay of carboxylesterases, phosphatases, and sulfatases." Monatshefte fuer Chemie 116(1): 65-75.
  • Elnagdi, MH, Abdallah, SO, Ghoneim, KM, Ebied, EM, Kassab, KN, (1997), "Synthesis of some coumarin derivatives as potential laser dyes." Journal of Chemical Research, Synopses (2): 44-45.
  • Wolfbeis, OS, Harnisch, H, "Chromogenic and fluorogenic carboxylic esters as agents for detecting and determining hydrolases." Ger. Offen.(1985) DE 3329394
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