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. Rojas-Sánchez, L.; Sokolova, V.; Riebe, S.; Voskuhl, J.; Epple, M. Covalent Surface Functionalization of Calcium Phosphate Nanoparticles with Fluorescent Dyes by Copper-Catalysed and by Strain-Promoted Azide-Alkyne Click Chemistry. ChemNanoMat, 2019, 5(4), 436–446. doi: 10.1002/cnma.201800509
  2. Liang, S.; Guan, Y.; Zhang, Y. Layer-by-Layer Assembly of Microgel Colloidal Crystals via Photoinitiated Alkyne–Azide Click Reaction. ACS Omega, 2019, 4(3), 5650–5660. doi: 10.1021/acsomega.9b00354
  3. Ganapathy, U.S.; Bai, L.; Wei, L.; Eckartt, K.A.; Lett, C.M.; Previti, M.L.; Carrico, I.S.; Seeliger, J.C. Compartment-Specific Labeling of Bacterial Periplasmic Proteins by Peroxidase-Mediated Biotinylation. ACS Infectious Diseases, 2018, 4(6), 918–925. doi: 10.1021/acsinfecdis.8b00044
  4. Stadler, D.; Siribbal, S.M.; Gessner, I.; Öz, S.; Ilyas, S.; Mathur, S. Asymmetric attachment and functionalization of plasmonic nanoparticles on ceramic interfaces. Journal of Nanostructure in Chemistry, 2018, 8(1), 33–44. doi: 10.1007/s40097-018-0252-y
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