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Medchemexpress LLC 7-methoxycoumarin-3-carboxylic acid | 20300-59-8 | MFCD00452770 | ≥97.0% | 220.18 | C11H8O5 | 1 G
Supplier: Medchemexpress LLC HYW0395191G
7-Methoxycoumarin-3-carboxylic acid is a coumarin-derived fluorescent dye used to label peptides and other biomolecules for biochemical assays and HPLC derivatization. It is supplied as a solid with high purity and is prepared as a DMSO stock for use in fluorescence-based assays; handle and store protected from light.
- Excitation and emission in the near-UV/blue range (Ex ≈345-355 nm, Em ≈405-450 nm).
- Suitable for peptide labeling and HPLC derivatization.
- High purity appropriate for analytical applications (~97.0%).
- Soluble in DMSO (≈8 mg/mL with sonication and warming).
- Store protected from light; in solution, keep frozen for extended stability.
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