AF 343 (Coumarin)-X-carboxylic acid
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
12690 | 1 mg | $105 | in stock | |
22690 | 5 mg | $165 | in stock | |
42690 | 25 mg | $285 | in stock | |
52690 | 50 mg |
$495
|
in stock | |
62690 | 100 mg |
$880
|
in stock |
AF 343 (Coumarin) is a blue-emitting fluorophore used as a laser dye. The fluorophore can serve as a FRET donor for FAM (fluorescein).
Absorption and emission spectra of AF 343 (Coumarin)

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Cyanine5 NHS ester
Amine-reactive Cyanine5 activated ester for the labeling of proteins, peptides, and other molecules.AF 568 alkyne
AF 568 derivative designed for fluorescence microscopy and flow cytometry. Pure 5-isomer.6-Carboxy-H2DCFDA (6-carboxy-2',7'-dichlorodihydrofluorescein)
A reagent for detecting reactive oxygen species (ROS) in living cells. This carboxylated H2DCFDA analog has two additional negative charges that impede its leakage out of the cell.General properties
Appearance: | yellow crystals |
Molecular weight: | 398.45 |
CAS number: | 946123-11-1 |
Molecular formula: | C22H26N2O5 |
IUPAC name: | 6-({4-Oxo-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraen-5-yl}carbonylamino)hexanoic acid |
Solubility: | Well soluble in DMF, DMSO, moderately soluble in DCM, DCE, EtOAc, insoluble in diethyl ether. |
Quality control: | NMR 1H, HPLC-MS (95%) |
Storage conditions: | Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
MSDS: | Download |
Product specifications |
Spectral properties
Excitation/absorption maximum, nm: | 437 |
ε, L⋅mol−1⋅cm−1: | 39000 |
Emission maximum, nm: | 477 |
Fluorescence quantum yield: | 0.63 |
CF260: | 0.29 |
CF280: | 0.24 |
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
Short link - lumiprobe.com/sh/p/2N
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