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6-FAM
6-Carboxyfluorescein; CAS 3301-79-9
6-FAM is the other purified isomer of 5(6)-carboxyfluorescein. Complimemtary to 5-FAM isomer, 6-FAM is mainly used in labeling nucleotides and nucleic acids.
Chemical structure for 6-FAM [6-Carboxyfluorescein] *CAS 3301-79-9*
Chemical structure for 6-FAM [6-Carboxyfluorescein] *CAS 3301-79-9*
CatalogSize
Price
Quantity
106100 mg
Price
1071 g
Price
1085 g
Price
 
Physical properties

Molecular weight376.32
SolventDMSO
Spectral properties

Correction factor (260 nm)0.32
Correction factor (280 nm)0.178
Extinction coefficient (cm -1 M -1)
83000
Excitation (nm)493
Emission (nm)517
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501
CAS3301-79-9
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Page updated on October 13, 2025