Fura 2-AM ≥95% (by HPLC)

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: FURA-2 pentakis(acetoxymethyl) ester, 1-[2-(5-Carboxyoxazol-2-yl)-6-aminobenzofuran-5-oxy]-2-(2'-amino-5'-methyl-phenoxy)ethane-N,N,N',N'-tetraacetic acid, pentaacetoxymethyl ester, FURA-2 acetoxymethyl ester, Fura-2 AM Ester

M-Clarity™ quality level = MQ100

F0888-.5MG F0888-1MG
F0888-.5MGEA 386 EUR
F0888-.5MG F0888-1MG
Fura 2-AM ≥95% (by HPLC)
Fura 2-AM

Fura 2-AM (Fura 2) is a calcium-specific ratio-metric fluorescent dye. It is also known as acetoxy-methyl-ester. In response to calcium ions, ratio metric dyes like Fura 2 changes their respective excitation or emission spectra. The intracellular calcium concentration is determined by the fluorescence emission ratio or excitation at distinct wavelengths. Fura 2 has an emission peak at 505 nm, and the excitation peak ranges between 340 to 380 nm and is the preferred calcium indicator.


  • Fura 2-AM is a popular probe used to determine dynamic changes in cytosolic free calcium in intact living cells


The major benefits of using the ester form of Fura 2 as Fura 2-AM are: It is cell-permeable. It can be loaded into cells easily. Another advantage of using Fura 2-AM over single wavelength dyes is that the ratio signal is independent of : The dye concentration. Illumination intensity, and Optical path length.

Formula: C₄₄H₄₇N₃O₂₄
MW: 1001,857 g/mol
Storage Temperature: Freezer
MDL Number: MFCD00036976
CAS Number: 108964-32-5
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Specification Test Results

Appearance (Colour) Yellow to Yellow-Green
Appearance (Form) Powder
Solubility (Colour) Yellow to Yellow-Green
Solubility (Turbidity)
10 mg/ml, acetone
Clear
Purity (HPLC) ≥95%

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