FAM (Fluorescein) in Fluorophores

Absorption max 494 nm Emission max 520 nm Fluorophore chart

Traditional fluorescein (FAM) fluorophore — universal dye useful for various applications, compatible with most of existing fluorescent instruments. All products are available as pure 5- or 6-isomers.

(5,6)-FAM diacetate NHS ester

Amine-reactive fluorescein (FAM) derivative, a mixture of 5- and 6-isomers. The reagent becomes brightly green fluorescent once it is hydrolyzed while diffusing into cells. A fluorescent tracer.
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Cat. # Quantity Price Lead time
2934-25mg 25 mg
$115.00
in stock
2934-50mg 50 mg
$149.90
in stock
2934-100mg 100 mg
$219.90
in stock
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FAM alkyne, 5-isomer

FAM alkyne, 5-isomer - an alkyne derivative of fluorescein dye for click chemistry.
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Cat. # Quantity Price Lead time
B41B0 5 mg
$169.90
in stock
C41B0 10 mg
$219.90
in stock
D41B0 25 mg
$419.90
in stock
E41B0 50 mg
$659.90
in stock
F41B0 100 mg
$1099.00
in stock
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FAM alkyne, 6-isomer

Fluorescein dye alkyne for click chemistry conjugation, pure 6-isomer.
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Cat. # Quantity Price Lead time
B51B0 5 mg
$149.50
in stock
C51B0 10 mg
$219.90
in stock
D51B0 25 mg
$419.90
in stock
E51B0 50 mg
$659.90
in stock
F51B0 100 mg
$1099.00
in stock
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FAM amine, 5-isomer

Amino derivative of fluorescein, pure 5-isomer. Contains a linker arm between the aliphatic amine group, and the fluorophore. Useful for the labeling via enzymatic transamination, for the reactions with electrophilic reagents, and for reductive amination.
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Cat. # Quantity Price Lead time
141C0 1 mg
$110.00
in stock
241C0 5 mg
$210.00
in stock
441C0 25 mg
$410.00
in stock
541C0 50 mg
$695.00
in stock
641C0 100 mg
$1190.00
in stock
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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.
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Cat. # Quantity Price Lead time
151C0 1 mg
$98.00
in stock
251C0 5 mg
$209.90
in stock
451C0 25 mg
$389.90
in stock
551C0 50 mg
$679.90
in stock
651C0 100 mg
$1199.00
in stock
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FAM azide, 5-isomer

FAM (fluorescein) azide for сlick chemistry labeling, pure 5-isomer.
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Cat. # Quantity Price Lead time
14130 100 uL, 10 mM/DMSO
$105.00
in stock
34130 500 uL, 10 mM/DMSO
$209.90
in stock
44130 1 mL, 10 mM/DMSO
$279.90
in stock
A4130 1 mg
$105.00
in stock
B4130 5 mg
$299.90
in stock
C4130 10 mg
$439.90
in stock
D4130 25 mg
$869.90
in stock
E4130 50 mg
$1599.00
in stock
F4130 100 mg
$3099.00
in stock
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FAM azide, 6-isomer

FAM (fluorescein) azide, 6-isomer is a commonly used fluorescent dye azide for сlick сhemistry.
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Cat. # Quantity Price Lead time
15130 100 uL, 10 mM/DMSO
$105.00
in stock
35130 500 uL, 10 mM/DMSO
$115.00
in stock
45130 1 mL, 10 mM/DMSO
$149.90
in stock
A5130 1 mg
$105.00
in stock
B5130 5 mg
$149.90
in stock
C5130 10 mg
$209.90
in stock
D5130 25 mg
$409.90
in stock
E5130 50 mg
$649.90
in stock
F5130 100 mg
$1099.00
in stock
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FAM CPG 500, 6-isomer

Controlled pore glass for the synthesis of modified oligonucleotides containing 3'-fluorescein (FAM) modification.
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Cat. # Quantity Price Lead time
15760 100 mg
$95.00
in stock
35760 500 mg
$295.00
in stock
45760 1 g
$469.00
in stock
55760 5 g
please inquire
in stock
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FAM DBCO, 6-isomer

Cyclooctyne derivative of fluorescein (FAM) for copper-free click chemistry reaction with azides. Pure 6-isomer of fluorescein.
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Cat. # Quantity Price Lead time
151F0 1 mg
$93.99
in stock
251F0 5 mg
$229.90
in stock
451F0 25 mg
$369.90
in stock
551F0 50 mg
$539.90
in stock
651F0 100 mg
$739.90
in stock
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FAM hydrazide, 5-isomer

FAM hydrazide is a carbonyl reactive fluorescein derivative. Pure 5-isomer. Can label oxidized proteins, saccharides, and many small molecules with carbonyl groups.
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Cat. # Quantity Price Lead time
14170 1 mg
$159.90
in stock
24170 5 mg
$309.90
in stock
44170 25 mg
$589.90
in stock
54170 50 mg
$1050.00
in stock
64170 100 mg
$1699.00
in stock
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FAM hydrazide, 6-isomer

6-FAM hydrazide is a carbonyl reactive fluorescein (FAM) derivative. This product contains a pure 6-isomer of fluorescein.
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Cat. # Quantity Price Lead time
15170 1 mg
$159.90
in stock
25170 5 mg
$199.90
in stock
45170 25 mg
$579.90
in stock
55170 50 mg
$1050.00
in stock
65170 100 mg
$1790.00
in stock
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FAM isothiocyanate (FITC), 5- and 6-isomers

An isothiocyanate derivative of fluorescein for labeling of antibodies and other biomolecules. Mix of 5- and 6-isomers.
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Cat. # Quantity Price Lead time
3524-100mg 100 mg
$45.00
in stock
3524-500mg 500 mg
$149.00
in stock
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FAM isothiocyanate (FITC), 5-isomer

An isothiocyanate derivative of fluorescein for labeling of antibodies and other biomolecules. Pure 5-isomer.
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Cat. # Quantity Price Lead time
4641-1g 1 g
$276.00
in stock
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FAM maleimide, 6-isomer

Fluorescein (FAM) maleimide is a thiol reactive dye derived from isomerically pure 6-FAM. Fluorescein is a bright dye that is compatible with various fluorescence measurement instruments.
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Cat. # Quantity Price Lead time
44180 25 mg
$379.90
in stock
54180 50 mg
$539.90
in stock
64180 100 mg
$739.90
in stock
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FAM NHS ester, 6-isomer

Activated N-hydroxysuccinimide ester of fluorescein (FAM), pure 6-isomer.
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Cat. # Quantity Price Lead time
25120 5 mg
$105.00
in stock
45120 25 mg
$199.90
in stock
55120 50 mg
$339.90
in stock
65120 100 mg
$619.90
in stock
85120 1 g
please inquire
in stock
95120 5 g
please inquire
in stock
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FAM phosphoramidite, 5-isomer

Single isomer 5-FAM phosphoramidite for the synthesis of modified oligonucleotides.
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Cat. # Quantity Price Lead time
2639-1g
/ Easily soluble lyophilised form in 20 mL septum
1 g
$219.90
in stock
2639-5g
/ in 30 mL septum
5 g
$769.90
in stock
2639-10g
/ in 30 mL septum
10 g
$1499.00
20 days
2639-50g 50 g
please inquire
20 days
2639-100g 100 g
please inquire
20 days
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FAM phosphoramidite, 6-isomer

FAM (fluorescein) phosphoramidite 6-isomer, is a widely used reagent in nucleic acid chemistry for labeling oligonucleotides. It is derived from the single pure isomer of 6-carboxyfluorescein and separated from amidite linkage via C6 aminohexanol spacer.
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Cat. # Quantity Price Lead time
D5160
/ Easily soluble lyophilised form in 8 mL septum
250 mg
$105.00
in stock
F5160
/ Easily soluble lyophilised form in 30 mL septum
1 g
$167.00
in stock
G5160 5 g
$740.00
in stock
H5160 10 g
$970.00
in stock
K5160 50 g
please inquire
in stock
L5160 100 g
please inquire
in stock
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FAM tetrazine, 5-isomer

FAM tetrazine (methyltetrazine) for the conjugation with trans-cyclooctenes and cyclopropenes. Pure 5-isomer of fluorescein.
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Cat. # Quantity Price Lead time
141E0 1 mg
$129.90
in stock
241E0 5 mg
$309.90
in stock
441E0 25 mg
$589.90
in stock
541E0 50 mg
$1050.00
in stock
641E0 100 mg
$1699.00
in stock
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FAM tetrazine, 6-isomer

This molecule is a conjugate of bright fluorophore FAM (fluorescein) and tetrazine, a reactive group that reacts with trans-cycloalkenes in a reaction called IEDDA (inverse electron demand Diels-Alder reaction).
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Cat. # Quantity Price Lead time
151E0 1 mg
$159.90
in stock
251E0 5 mg
$309.90
in stock
451E0 25 mg
$589.90
in stock
551E0 50 mg
$1050.00
in stock
651E0 100 mg
$1699.00
in stock
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FAM-11-dCTP, 6-isomer

6-isomer FAM-labeled dCTP with 11 carbon atoms linker for enzymatic DNA labeling.
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Cat. # Quantity Price Lead time
2713-50nmol 50 nmol
$199.90
in stock
2713-250nmol 250 nmol
$419.90
in stock
2713-500nmol 500 nmol
$729.90
in stock
2713-1umol 1 umol
$1295.00
20 days
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FAM-11-dUTP, 6-isomer

FAM-derivative of dUTP with green emission for DNA labeling.
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Cat. # Quantity Price Lead time
2077-50nmol 50 nmol
$229.90
in stock
2077-250nmol 250 nmol
$439.90
in stock
2077-500nmol 500 nmol
$719.90
in stock
2077-1umol 1 umol
$1299.00
in stock
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FAM-11-UTP, 6-isomer

6-FAM-uridine triphosphate for non-radioactive enzymatic RNA labeling during in vitro transcription.
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Cat. # Quantity Price Lead time
2714-50nmol 50 nmol
$229.90
in stock
2714-250nmol 250 nmol
$429.90
in stock
2714-500nmol 500 nmol
$739.90
in stock
2714-1umol 1 umol
$1299.00
in stock
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FAM-dT phosphoramidite

Phosphoramidite for synthesis of oligonucleotides labeled with fluorescein (FAM) in the middle of sequence.
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Cat. # Quantity Price Lead time
13460 100 mg
$150.00
in stock
23460 250 mg
$275.00
in stock
43460 1 g
$950.00
in stock
63460 5 g
$3830.00
in stock
83460 10 g
please inquire
5 days
Found better price? Let us know and we will propose the way forward!

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