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5(6)-TAMRA C6 maleimide
5(6)-TAMRA C6 maleimide is an excellent replacement for tetramethylrhodamine-5-(and 6)-maleimide. It selectively reacts with thiol groups of peptides, proteins and other biological molecules (such as thiol-modified oligonucleotides and small thiol-containing organic molecules). It might give higher conjugation yield than tetramethylrhodamine-5-(and 6)-maleimide under similar conjugation conditions. 5(6)-TMR C6 maleimide has the spectral properties identical to those of tetramethylrhodamine-5-(and 6)-maleimide, thus all the instrument settings of the tetramethylrhodamine-5-(and 6)-maleimide would be applicable to the applications of 5-TMR C6 maleimide conjugates.
Chemical structure for 5(6)-TAMRA C6 maleimide
Chemical structure for 5(6)-TAMRA C6 maleimide
CatalogSize
Price
Quantity
4235 mg
Price
 
Physical properties

Molecular weight623.65
SolventDMSO
Spectral properties

Correction factor (260 nm)0.32
Correction factor (280 nm)0.178
Extinction coefficient (cm -1 M -1)
90000
Excitation (nm)552
Emission (nm)578
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
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Page updated on October 7, 2025