Product ID: M0529

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pH indicator for use in the physiological range (pKa 7.8)

A pH sensitive labeling reagent useful for labeling in the physiological range (pKa 7.8)

Technical Data
SKU M0529
CAS Number 6468-96-8
Unit Size 50mg
Alternative Names 7-Hydroxy-3-phenylcoumarin
Absorption 383nm
Emission Wavelength 472
Detection Method Fluorescence
Molecular Formula C₁₅H₁₀O₃
Molecular Weight 238.24
Soluble In EtOH, MeOH, (basic pH) H2O
Storage Conditions Room Temperature

References and Citations


  • "Fluorescent pH probe for the physiological pH range", O.S. Wolfbeis, Z. Naturforsch. 32a: 1065 (1977).
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