7hydroxy4methylcoumarin3acetic acid

7-Hydroxy-4-methylcoumarin-3-acetic acid is a blue fluorophore with pH-dependent and environmentally sensitive fluorescence that is widely used to label peptides, nucleotides, and carbohydrates, and also as a pH indicator.

8-(4-ethynylphenyl)-1,3,5,7-tetramethyl BODIPY is an organic fluorescent dye characterized by an ethynylphenyl group at the 8-position of the boron dipyrromethene (BODIPY) structure and methyl substituents at the 1, 3, 5, and 7 positions. It boasts a high fluorescence quantum yield and specific chemical properties, making it useful for applications such as fluorescence imaging.

8-(4-bromophenyl)-1,3,5,7-tetramethyl-BODIPY is a derivative based on the BODIPY structure, featuring four methyl groups at positions 1, 3, 5, and 7, with a para-bromophenyl group attached at position 8. This compound finds extensive use in fields such as bioimaging, chemical analysis, and materials science, serving as a fluorescent probe for imaging biological samples, detecting specific chemicals, or in the development of optical materials.

Ac-DNLD-AMC is a fluorogenic caspase-3 substrate. Upon enzymatic cleavage by caspase-3, 7-amino-4-methylcoumarin (AMC) is released and its fluorescence can be used to quantify caspase-3 activity. AMC displays excitation emission maxima of 340-360 and 440-460 nm, respectively.

STY-BODIPY is a styrene-conjugated fluorogenic probe for radical-trapping antioxidant (RTA) activity.1 Co-autoxidation of the STY-BODIPY signal carrier and a hydrocarbon co-substrate can be quantified by monitoring the loss of absorbance at 571 nm. STY-BODIPY has been used to measure the activity of RTAs, as well as the kinetics and stoichiometry of RTA reactions in cell-free assays.1,2,3References1. Haidasz, E.A., Van Kessel, A.T.M., and Pratt, D.A. A continuous visible light spectrophotometric approach to accurately determine the reactivity of radical-trapping antioxidants. J. Org. Chem. 81(3), 737-744 (2016).2. Shah, R., Shchepinov, M.S., and Pratt, D.A. Resolving the role of lipoxygenases in the initiation and execution of ferroptosis. ACS Cent. Sci. 4(3), 387-396 (2018).3. Chauvin, J.-P.R., Haidasz, E.A., Griesser, M., et al. Polysulfide-1-oxides react with peroxyl radicals as quickly as hindered phenolic antioxidants and do so by a surprising concerted homolytic substitution. Chem. Sci. 7(10), 6347-6356 (2016). STY-BODIPY is a styrene-conjugated fluorogenic probe for radical-trapping antioxidant (RTA) activity.1 Co-autoxidation of the STY-BODIPY signal carrier and a hydrocarbon co-substrate can be quantified by monitoring the loss of absorbance at 571 nm. STY-BODIPY has been used to measure the activity of RTAs, as well as the kinetics and stoichiometry of RTA reactions in cell-free assays.1,2,3 References1. Haidasz, E.A., Van Kessel, A.T.M., and Pratt, D.A. A continuous visible light spectrophotometric approach to accurately determine the reactivity of radical-trapping antioxidants. J. Org. Chem. 81(3), 737-744 (2016).2. Shah, R., Shchepinov, M.S., and Pratt, D.A. Resolving the role of lipoxygenases in the initiation and execution of ferroptosis. ACS Cent. Sci. 4(3), 387-396 (2018).3. Chauvin, J.-P.R., Haidasz, E.A., Griesser, M., et al. Polysulfide-1-oxides react with peroxyl radicals as quickly as hindered phenolic antioxidants and do so by a surprising concerted homolytic substitution. Chem. Sci. 7(10), 6347-6356 (2016).

7-Hydroxy-4-methylcoumarin-3-acetic acid, SE is a useful organic compound for research related to life sciences. The catalog number is T67683 and the CAS number is 96735-88-5.

DACM (N-(7-Dimethylamino-4-methyl-3-coumarinyl)maleimide) is a thiol-reactive fluorescent dye with an excitation wavelength (Ex) of 396 nm and an emission wavelength (Em) of 468 nm [1].

MMP-3 Fluorogenic Substrate, a compound designed for matrix metalloproteinase-3 (MMP-3) activity quantification, releases 7-methoxycoumarin-4-acetyl (Mca) upon MMP-3 cleavage. Mca's fluorescence, with excitation and emission maxima at 328 and 420 nm respectively, serves as a measurable indicator of MMP-3 activity.

4-(2-Carboxyphenyl)-7-diethylamino-2-(7-diethylamino-2-oxochroman-3-yl)-chromylium perchlorate is an organic fluorescent dye that features a carboxyl functional group, with an excitation wavelength (λ ex) of approximately 650 nm and an emission wavelength (λ em) of around 690 nm [1].

4-(7-Diethylaminocoumarin-3-yl)benzoyl cyanide (DACB-CN) serves as a multifunctional dye crucial for a wide array of applications. This chemical compound is utilized extensively in biological experiments to monitor and analyze various cellular components and activities. It aids in observing cell structures, tracking biomolecules, assessing cell functions, differentiating cell types, detecting biomolecules, examining tissue pathology, and studying microorganisms. Beyond its scientific research applications, DACB-CN is also employed in traditional industries like textile dyeing and in innovative sectors, including functional textile processing, food pigments, and dye-sensitized solar cells.

7-Diethylamino-3-N-(4-maleimidopropyl)carbamoylcoumarin is a versatile dye utilized across various fields. This compound is primarily important in biological experiments for observing and analyzing cell structures, tracking biomolecules, evaluating cell functions, distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Its applications extend beyond basic scientific research into clinical diagnostics. Additionally, it is employed in traditional industries like textile dyeing and in innovative areas including functional textile processing, food pigments, and dye-sensitized solar cells.

AMCA-X, N-succinimidyl ester is an amine-reactive, UV-excitable, blue fluroscent dye.

The amine-reactive AMCA, SE (7-amino-4-methylcoumarin-3-acetic acid, succinimidyl ester) and its conjugates yield blue-fluorescence (approximate excitation emission maxima ~353 442) that can be used as a contrasting color in multicolor applications.