FAM NHS ester, 6-isomer
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 15120 | 1 mg | $110.00 | in stock | |
| 25120 | 5 mg | $160.00 | in stock | |
| 45120 | 25 mg | $210.00 | in stock | |
| 55120 | 50 mg | $270.00 | in stock | |
| 65120 | 100 mg |
$420.00
|
in stock |
Fluorescein (FAM) is a bright fluorophore that has found an extremely wide application in life science research. The fluorophore is hydrophilic and its derivatives possess good solubility in aqueous buffers.
Fluorescein is compatible with a wide variety of fluorescent instrumentation - most instruments are equipped with FAM channel filters.
This product contains the pure 6-isomer of fluorescein.
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Sulfo-Cyanine5 carboxylic acid
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Sulfo-Cyanine3 free unactivated monofunctional carboxylic acid, water-soluble dye.General properties
| Appearance: | yellow crystalline solid |
| Mass spec M+ increment: | 358.0 |
| Molecular weight: | 473.39 |
| CAS number: | 92557-81-8 |
| Molecular formula: | C25NO9H15 |
| IUPAC name: | (2,5-dioxopyrrolidin-1-yl) 3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylate |
| Solubility: | good in DMF, DMSO |
| Quality control: | NMR 1H, HPLC-MS (95%) |
| Storage conditions: | Storage: 12 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 maximum, nm: | 494 |
| ε, L⋅mol−1⋅cm−1: | 75000 |
| Emission maximum, nm: | 520 |
| Fluorescence quantum yield: | 0.9 |
| CF260: | 0.20 |
| CF280: | 0.17 |
Product citations
- Evans, L.E.; Jones, K.; Cheeseman, M.D. Targeting secondary protein complexes in drug discovery: studying the druggability and chemical biology of the HSP70/BAG1 complex. Chemical Communications, 2017, 53(37), 5167–5170. doi: 10.1039/c7cc01376k
- Warminski, M.; Sikorski, P.J.; Warminska, Z.; Lukaszewicz, M.; Kropiwnicka, A.; Zuberek, J.; Darzynkiewicz, E.; Kowalska, J.; Jemielity, J. Amino-functionalized 5' cap analogs as tools for site-specific sequence-independent labeling of messenger RNA. Bioconjugate Chemistry, 2017, 28(7), 1978–1992. doi: 10.1021/acs.bioconjchem.7b00291
- Horning, D.P.; Joyce, G.F. Amplification of RNA by an RNA polymerase ribozyme. Proceedings of the National Academy of Sciences of the United States of America, 2016, 113(35), 9786–9791. doi: 10.1073/pnas.1610103113
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