FAM alkyne, 6-isomer

Cat. # Quantity Price Lead time
A51B0 1 mg –   in stock
B51B0 5 mg $100 in stock
C51B0 10 mg $150 in stock
D51B0 25 mg $295 in stock
E51B0 50 mg $450 in stock
F51B0 100 mg $780 in stock
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Alkyne derivative of FAM (fluorescein) fluorophore for click chemistry labeling of biomolecules. Pure (97+%) single 6-isomer. Fluorescein is a bright fluorophore which is compatible with a number of different fluorescent instruments.

Absorbance and emission spectra of FAM

Absorbance and emission spectra of FAM

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FAM amine, 6-isomer

Amine derivative of fluorescein (FAM) fluorophore, pure 6-isomer, for the enzymatic transamination labeling, reactions with electrophilic reagents, and reductive amination.

General properties

Appearance: yellow solid
Molecular weight: 413.38
CAS number: 478801-49-9
Molecular formula: C24H15O6N
Solubility: good in aqueous buffers (pH > 8), alcohols, DMSO, DMF
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.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 492
ε, L⋅mol−1⋅cm−1: 74000
Emission maximum, nm: 517
Fluorescence quantum yield: 0.93
CF260: 0.22
CF280: 0.17

Product citations

  1. Hostert, J.D.; Sepesy, M. R.; Duval, C. E.;  Renner, J.N. Clickable Polymer Scaffolds Enable Ce Recovery with Peptide Ligands. Soft Matter, 2023, 19(15), 2823–2831. doi: 10.1039/D2SM01664H
  2. Klein, K.; Loza, K.; Heggen, M.; Epple, M. An Efficient Method for Covalent Surface Functionalization of Ultrasmall Metallic Nanoparticles by Surface Azidation Followed by Copper-Catalyzed Azide-Alkyne Cycloaddition (Click Chemistry). ChemNanoMat, 2021, 7(12), 1330–1339. doi: 10.1002/cnma.202100359
  3. Zisis, T.; Schwarz, J.; Balles, M.; Kretschmer, M.; Nemethova, M.; Chait, R.; Hauschild, R.; Lange, J.; Guet, C.; Sixt, M.; Zahler, S. Sequential and Switchable Patterning for Studying Cellular Processes under Spatiotemporal ControlACS Appl. Mater. Interfaces 2021, 13 (30), 35545–35560. https://doi.org/. ACS Appl. Mater. Interfaces, 2021, 13(30), 35545–35560. doi: 10.1021/acsami.1c09850
  4. Zisis, T.; Schwarz, J.; Balles, M.; Kretschmer, M.; Nemethova, M.; Chait, R.; Hauschild, R.; Lange, J.; Guet, C.; Sixt, M.; Zahler, S. Sequential and Switchable Patterning for Studying Cellular Processes under Spatiotemporal Control. ACS Appl. Mater. Interfaces, 2021, 13(30), 35545–35560. doi: 10.1021/acsami.1c09850
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