7-Hydroxycoumarin-3-carboxylic acidA pH-indicator that can be immobilized on a support to give a pH sensor

7-Hydroxycoumarin-3-carboxylic acid (CAS 779-27-1)

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Synonym: Umbelliferone-3-carboxylic acid
Application: A pH-indicator that can be immobilized on a support to give a pH sensor
CAS Number: 779-27-1
Molecular Weight: 206.15
Molecular Formula: C10H6O5
* Refer to Certificate of Analysis for lot specific data (including water content).
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7-Hydroxycoumarin-3-carboxylic acid is a suitable pH-indicator. 7-Hydroxycoumarin-3-carboxylic acid is immobilized on a support to give a pH sensor. It is also used to label proteins and peptides.


References

1. H. Offenbacher et al. Sens. Actuators 9, 73, (1986)

Physical State :
Solid
Solubility :
Soluble in DMF, DMSO and Alcohols
Storage :
Store at room temperature
Melting Point :
261° C (lit.)
Fluoresence :
λex 387 nm, λem 448 nm in DMSO; λex 385 nm, λem 445 nm in Buffer pH 10; λex 342 nm, λem 447 nm in pH 4.0; λex 386 nm, λem 448 nm in 0.1 M Tris pH 9.0
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
PubChem CID :
5337757
SMILES :
C1=CC2=C(C=C1O)OC(=O)C(=C2)C(=O)O

Download SDS (MSDS)

Certificate of Analysis

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