Coumarins and derivatives
Medchemexpress LLC 7-Hydroxycoumarin-3-carboxylic acid N-succinimidyl ester | 134471-24-2 | MFCD00037568 | ≥95.0% | 25 MG
7-Hydroxycoumarin-3-carboxylic acid N-succinimidyl ester is the amine-reactive succinimidyl ester of 7-Hydroxycoumarin-3-carboxylic acid. It is a blue fluorescent dye used for labeling proteins and nucleic acids.
- Amine-reactive succinimidyl ester
- Blue fluorescent dye
- Used for labeling proteins
- Used for labeling nucleic acids
Medchemexpress LLC 7-Ethoxy-4-methylcoumarin | 87-05-8 | 99.44% | 1 G
7-Ethoxy-4-methylcoumarin is a coumarin derivative used as a substrate probe for mammalian cytochromes P450 1A1, 2B4, and 2B6.
- Coumarin derivative
- Used as a substrate probe
- Targets cytochromes P450 1A1, 2B4, and 2B6
eMolecules 6-Chloro-4-hydroxycoumarin | 19484-57-2 | MFCD00239399 | 5g
Oakwood Chemical | 6-Chloro-4-hydroxycoumarin | 5g | 537672906 | 012113 | | 19484-57-2 | MFCD00239399 | 196.590 | C9H5ClO3
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![eMolecules 1256486-26-6 | 3-(7-Aza-2-benzimidazolyl)benzamidoxime | Oakwood Chemical | MFCD28166151 | 253.265 | C13H11N5O | 97.000 | N\C(=N/O)c1cccc(c1)-c1nc2cccnc2[nH]1 | 1g | 537705745](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502142956.JPG-250.jpg)
eMolecules 1256486-26-6 | 3-(7-Aza-2-benzimidazolyl)benzamidoxime | Oakwood Chemical | MFCD28166151 | 253.265 | C13H11N5O | 97.000 | N\C(=N/O)c1cccc(c1)-c1nc2cccnc2[nH]1 | 1g | 537705745
3-(7-Aza-2-benzimidazolyl)benzamidoxime | Oakwood Chemical | 1256486-26-6 | MFCD28166151 | 253.265 | C13H11N5O | 97.000 | N\C(=N/O)c1cccc(c1)-c1nc2cccnc2[nH]1 | 1g | 537705745
Medchemexpress LLC 7-Ethoxy-4-methylcoumarin | 87-05-8 | 99.4% | 5 G
7-Ethoxy-4-methylcoumarin is a coumarin derivative that serves as a substrate probe for mammalian cytochromes P450 1A1, 2B4, and 2B6. It is intended for research use only and not for sale to patients.
- Functions as a substrate probe for mammalian cytochromes P450 1A1, 2B4, and 2B6.
- Intended for research use only.
- Appears as a white to off-white solid.
- Ships at room temperature.
- Recommended storage at 4°C, protected from light.
- Soluble in DMSO at 50 mg/mL.
Medchemexpress LLC Coumarin boronic aci 10mg
Coumarin boronic acid is a fluorescent probe The excitation and emission wavelengths of coumarin boronic acid are set to 360 nm and 430 nm respectively Coumarin boronic acid can be used to monitor the formation of amino acid and protein hydroxyl peroxides in real time which is beneficial for understanding the mechanisms of oxidative stress and protein post-translational modification[1]
Medchemexpress LLC Coumarin 106 | 41175-45-5 | MFCD00041949 | 6498.0% | 281.35 g/mol | C18H19NO2 | 10 MG
Coumarin 106 is a dipolar laser dye with fluorescent properties that also displays cholinesterase inhibitory activity. Supplied as a research-grade solid, it is used in fluorescence studies, dye-laser applications, and biochemical assays where cholinesterase modulation or fluorescent probes are required.
- Dipolar laser dye with fluorescent properties.
- Demonstrates AChE and BChE inhibition for biochemical studies.
- Molecular formula C18H19NO2; molecular weight 281.35 g/mol.
- Available in small research pack sizes suitable for analytical use.
- Supplied as a solid for standard laboratory storage and handling.
Medchemexpress LLC 7-Hydroxycoumarin-4-acetic acid | 6950-82-9 | 10 G
7-Hydroxycoumarin-4-acetic acid is a pH-indicator dye. It is covalently bound to bovine serum albumin (BSA) at the positions of reactive amino groups (λmax=326 nm).
- Functions as a pH-indicator dye
- Covalently binds to bovine serum albumin (BSA) at reactive amino groups (λmax=326 nm)
- Shows cytotoxicity against mouse B16-F10 cells
- Shows cytotoxicity against human HT-29 cells
- Shows cytotoxicity against human HepG2 cells
Medchemexpress LLC 7-methoxycoumarin-3-carboxylic acid N-succinimidyl ester | 150321-92-9 | MFCD00467593 | ≥97.0% | 10 MG
7-Methoxycoumarin-3-carboxylic acid, succinimidyl ester is a coumarin-derived, amine-reactive fluorescent labeling reagent used to conjugate peptides and proteins for blue/UV fluorescence detection and intracellular imaging applications. The NHS ester enables efficient coupling to primary amines under mild conditions.
- Amine-reactive N-hydroxysuccinimide (NHS) ester for efficient conjugation.
- Strong blue fluorescence suitable for labeling peptides and proteins.
- Useful for synthesis of hydrophilic dye probes and intracellular viscosity measurements.
- Available in small research pack sizes for mg-scale conjugation experiments.
- Typical purity ≥97% (HPLC); consult the certificate of analysis for batch-specific data.
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.