Coumarins and derivatives
Medchemexpress LLC Coumarin 480 (Coumarin 102) | 41267-76-9 | MFCD00041844 | 100.0% | 255.31 g·mol⁻¹ | C16H17NO2 | 50 MG
Coumarin 480 is a fluorescent coumarin-class laser dye supplied as a high-purity research reagent. It is intended for photophysical studies, fluorescent labeling, and laser applications. Certificate of analysis and safety data sheet are available from the manufacturer.
- Laser dye suitable for photophysical and fluorescence studies.
- High purity: 99.95%.
- Solid form supplied in small laboratory pack sizes (25 mg, 50 mg, 100 mg; larger sizes available on request).
- Documented safety and quality data available (COA and SDS).
- Molecular formula C16H17NO2; molecular weight 255.31 g·mol⁻¹.
Medchemexpress LLC 4-methoxycoumarin | 20280-81-3 | >98.0% | 176.17 g/mol | C10H8O3 | 100 MG
4-methoxycoumarin is a coumarin-class small molecule supplied for research use and reported to have antibacterial activity against Ralstonia solanacearum. It is described in supplier documentation with molecular formula C10H8O3, molecular weight 176.17 g/mol, and solubility in DMSO of 10 mM.
- Antibacterial activity reported vs. Ralstonia solanacearum
- Purity >98.0%
- Molecular weight 176.17 g/mol
- Chemical formula C10H8O3
- Solubility 10 mM in DMSO
- Intended for research use only
eMolecules Medchem Express / 8-Hydroxycoumarin / 100mg / 572596935 / HY-21509 / / 2442-31-1 / MFCD18450722 / 162.144 / C9H6O3
Medchem Express / 8-Hydroxycoumarin / 100mg / 572596935 / HY-21509 / / 2442-31-1 / MFCD18450722 / 162.144 / C9H6O3
eMolecules Ambeed / 4-Hydroxycoumarin / 10g / 490496472 / A115444 / / 1076-38-6 / MFCD00006856 / 162.144 / C9H6O3
Ambeed / 4-Hydroxycoumarin / 10g / 490496472 / A115444 / / 1076-38-6 / MFCD00006856 / 162.144 / C9H6O3
Medchemexpress LLC 7-methoxycoumarin-3-carboxylic acid | 20300-59-8 | MFCD00452770 | ≥97.0% | 220.18 | C11H8O5 | 1 G
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.
Medchemexpress LLC Coumarin-3-carboxylic acid | 531-81-7 | MFCD00006852 | 99.9% | 190.15 g/mol | C10H6O4 | 25 G
Coumarin-3-carboxylic acid is a small-molecule fluorescent probe (C10H6O4, MW 190.15 g/mol) used to detect hydroxyl radicals and study oxidative stress in analytical and biochemical research. It is provided in high-purity solid form and as a DMSO solution for convenient use in assays and photophysical measurements.
- High purity suitable for analytical and preparative work.
- Strong fluorescence signal for sensitive radical detection.
- Available in multiple package sizes and solution format.
- Documented spectral and chromatographic data for quality assurance.
- Applicable to in vitro assays and photophysical studies.
Medchemexpress LLC 7-methoxycoumarin-3-carboxylic acid | 20300-59-8 | MFCD00452770 | 97.0% | 220.18 | C11H8O5 | 250 MG
7-Methoxycoumarin-3-carboxylic acid is a coumarin-based fluorescent dye used to derivatize molecules for fluorescence detection in biochemical assays. It is commonly applied to label peptides, for HPLC derivatization, and for development of fluorescent probes.
- Fluorescent coumarin dye with characteristic excitation and emission peaks.
- Excitation ~345-355 nm; emission ~405-450 nm.
- High purity (manufacturer lists 97.0%).
- Chemical formula C11H8O5; molecular weight 220.18.
- Available in multiple sizes from 250 mg to 50 g.
- Suitable for peptide labeling and HPLC derivatization.
- Supplied with data sheet and safety data sheet (SDS).