FAM amine, 5-isomer

FAM (Fluorescein) Amines
Cat. # Quantity Price Lead time
141C0 1 mg $110 in stock
241C0 5 mg $210 in stock
441C0 25 mg $410 in stock
541C0 50 mg $695 in stock
641C0 100 mg $1190 in stock
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Fluorescein (FAM) amine, isomerically pure dye (5-isomer). Unlike fluoresceinamine, this reagent contains a linker arm with an aliphatic amine group that is more reactive. It can react with electrophilic reagents like activated esters or epoxides, and be involved in enzymatic transamination.

FAM amine, 5-isomer, 641C0
FAM amine, 5-isomer, 641C0
FAM amine, 5-isomer, 641C0
Structure of 5-FAM amine
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FAM absorbance and emission spectra

FAM absorbance and emission spectra

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General properties

Appearance: yellow solid
Molecular weight: 510.97
CAS number: 2183440-41-5 (hydrochloride), 138589-19-2
Molecular formula: C27H27N2ClO6
IUPAC name: 6-aminohexylaminocarbonylfluorescein hydrochloride
Solubility: good in methanol, DMSO, DMF
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: 24 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/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. Sotnikov, D.V.; Byzova, N.A.; Zherdev, A.V.; Dzantiev, B.B. Ability of Antibodies Immobilized on Gold Nanoparticles to Bind Small Antigen Fluorescein. International Journal of Molecular Sciences, 2023, 24(23), 16967. doi: 10.3390/ijms242316967
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