FAM alkyne, 5-isomer

Cat. # Quantity Price Lead time
A41B0 1 mg $80.00 in stock
B41B0 5 mg $100.00 in stock
C41B0 10 mg $150.00 in stock
D41B0 25 mg $295.00 in stock
E41B0 50 mg $450.00 in stock
F41B0 100 mg $780.00 in stock

FAM (fluorescein) alkyne for copper-catalyzed Click chemistry, high purity (97+%) 5-isomer. The compound possesses significant aqueous solubility.

FAM absorbance and emission spectra

FAM absorbance and emission spectra

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General properties

Appearance: yellow solid
Molecular weight: 413.38
CAS number: 510758-19-7
Molecular formula: C25H15O6N
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 maximum, nm: 490
ε, L⋅mol−1⋅cm−1: 80000
Emission maximum, nm: 513
Fluorescence quantum yield: 0.93
CF260: 0.20
CF280: 0.17

Product citations

  1. Warminski, M.; Kowalska, J.; Jemielity, J. Solid-Phase Synthesis of RNA 5'-Azides and Their Application for Labeling, Ligation, and Cyclization Via Click Chemistry. Current Protocols in Nucleic Acid Chemistry, 2020, 82(1), e112. doi: 10.1002/cpnc.112
  2. Sokolova, V.; Nzou, G.; van der Meer, S.B.; Ruks, T.; Heggen, M.; Loza, K.; Hagemann, N.; Murke, F.; Giebel, B.; Hermann, D.M.; Atala, A.J.; Epple, M. Ultrasmall gold nanoparticles (2 nm) can penetrate and enter cell nuclei in an in vitro 3D brain spheroid model. Acta Biomaterialia, 2020, 111, 349–362. doi: 10.1016/j.actbio.2020.04.023
  3. Rojas-Sánchez, L.; Loza, K.; Epple, M. Synthesis and intracellular tracing surface-functionalized calcium phosphate nanoparticles by super-resolution microscopy (STORM). Materialia, 2020, 12, 100773. doi: 10.1016/j.mtla.2020.100773
  4. Synakewicz, M.; Bauer, D.; Rief, M.; Itzhaki, L.S. Bioorthogonal protein-DNA conjugation methods for force spectroscopy. Scientific Reports, 2019, 9, 13820. doi: 10.1038/s41598-019-49843-1
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