Coumarins and derivatives
Apexbio Technology LLC 3-Carboxy-7-Hydroxycoumarin 779-27-1 100mg
3-Carboxy-7-Hydroxycoumarin (CAS 779-27-1) is a coumarin-based fluorescent molecule It is characterized by blue fluorescence emission upon excitation with ultraviolet light Structurally it features a carboxyl group that enables conjugation via carbodiimide activation (e g EDAC-mediated formation of succinimidyl ester intermediates) allowing covalent attachment to amine-containing residues in proteins and nucleic acids Based on these properties 3-Carboxy-7-Hydroxycoumarin is commonly employed in biochemical research for fluorescent labeling including analysis of protein protein interactions nucleic acid visualization and biomolecule detection assays
Apexbio Technology LLC 3-Carboxy-7-Hydroxycoumarin 779-27-1 1g
3-Carboxy-7-Hydroxycoumarin (CAS 779-27-1) is a coumarin-based fluorescent molecule It is characterized by blue fluorescence emission upon excitation with ultraviolet light Structurally it features a carboxyl group that enables conjugation via carbodiimide activation (e g EDAC-mediated formation of succinimidyl ester intermediates) allowing covalent attachment to amine-containing residues in proteins and nucleic acids Based on these properties 3-Carboxy-7-Hydroxycoumarin is commonly employed in biochemical research for fluorescent labeling including analysis of protein protein interactions nucleic acid visualization and biomolecule detection assays
Apexbio Technology LLC 3-Carboxy-7-Hydroxycoumarin 779-27-1 250mg
3-Carboxy-7-Hydroxycoumarin (CAS 779-27-1) is a coumarin-based fluorescent molecule It is characterized by blue fluorescence emission upon excitation with ultraviolet light Structurally it features a carboxyl group that enables conjugation via carbodiimide activation (e g EDAC-mediated formation of succinimidyl ester intermediates) allowing covalent attachment to amine-containing residues in proteins and nucleic acids Based on these properties 3-Carboxy-7-Hydroxycoumarin is commonly employed in biochemical research for fluorescent labeling including analysis of protein protein interactions nucleic acid visualization and biomolecule detection assays
Apexbio Technology LLC Coumarin-3-carboxylic Acid 531-81-7 200mg
Coumarin-3-carboxylic Acid is a coumarin-derived small molecule commonly applied as an investigative tool in biomedical research focusing on signal pathway regulation It is utilized to modulate enzymatic activities and cellular signaling pathways Coumarin-3-carboxylic Acid s biological activity has been studied in the context of its lanthanide complexes for inhibitory effects on cell growth in K-562 cell lines In cell-based studies it demonstrates antiproliferative activity in K-562 cells Based on these pharmacological properties Coumarin-3-carboxylic Acid holds research potential in elucidating biological mechanisms underlying hematologic malignancies and related diseases
Apexbio Technology LLC Coumarin-3-carboxylic Acid 531-81-7 100mg
Coumarin-3-carboxylic Acid is a coumarin-derived small molecule commonly applied as an investigative tool in biomedical research focusing on signal pathway regulation It is utilized to modulate enzymatic activities and cellular signaling pathways Coumarin-3-carboxylic Acid s biological activity has been studied in the context of its lanthanide complexes for inhibitory effects on cell growth in K-562 cell lines In cell-based studies it demonstrates antiproliferative activity in K-562 cells Based on these pharmacological properties Coumarin-3-carboxylic Acid holds research potential in elucidating biological mechanisms underlying hematologic malignancies and related diseases
Medchemexpress LLC 7-methoxycoumarin-3-carboxylic acid | 20300-59-8 | MFCD00452770 | 97.0% | 220.18 g/mol | C11H8O5 | 500 MG
7-Methoxycoumarin-3-carboxylic acid is a coumarin-based fluorescent dye used to label peptides and small biomolecules. It exhibits ultraviolet excitation and blue emission, making it suitable for fluorescence assays, probe synthesis, and HPLC derivatization. The compound is supplied as a solid and should be handled and stored protected from light.
Medchemexpress LLC 7-Methoxycoumarin-3-carboxylic acid | 20300-59-8 | MFCD00452770 | 97.0% | 220.18 g/mol | C11H8O5 | 10 G
7-Methoxycoumarin-3-carboxylic acid is a small-molecule fluorescent dye that absorbs in the near-UV (≈345 nm) and emits blue fluorescence (≈450 nm). Supplied as a white to off-white solid, it is used for labeling peptides, HPLC derivatization, and developing FRET-based probes in biochemical assays. It is soluble in DMSO (~8 mg/mL) and typically supplied at 97% purity.
Medchemexpress LLC (2,5-dioxopyrrolidin-1-yl) 7-hydroxy-2-oxochromene-3-carboxylate | 134471-24-2 | MFCD00037568 | >96.0% | 303.22 g/mol | C14H9NO7 | 10 MG
7-Hydroxycoumarin-3-carboxylic acid N-succinimidyl ester is an N-hydroxysuccinimide (NHS)-activated fluorescent labeling reagent that introduces a 7-hydroxycoumarin fluorophore onto primary amines. Provided as a solid for research use, it is intended for bioconjugation and fluorescence-based assays.
- Reacts with primary amines via NHS ester chemistry for covalent labeling.
- Provides a blue/UV-excitable coumarin fluorophore suitable for protein, peptide, and nucleic acid labeling.
- Available in small-scale quantities convenient for analytical and preparative labeling.
- High chemical purity suitable for coupling reactions (suppliers report >96%).
- Stable when stored as directed; consult the product datasheet or certificate of analysis for storage and handling details.
Medchemexpress LLC 7-methoxycoumarin-3-carboxylic acid | 20300-59-8 | 97.0% | 220.18 g/mol | C11H8O5 | 25 G
7-Methoxycoumarin-3-carboxylic acid is a coumarin-based fluorescent dye used for labeling peptides and synthesizing fluorescent probes. It provides ultraviolet excitation and blue emission suitable for fluorescence assays, probe development, and HPLC derivatization. The material is supplied at research-grade purity for laboratory use.
- High purity (97.0%).
- Excitation 345 nm, emission 450 nm.
- Molecular weight 220.18 g/mol.
- Chemical formula C11H8O5.
- Available in multiple pack sizes including 25 g.
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).
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.