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.

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FAM absorbance and emission spectra

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

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

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.