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Rhodamine aldehyde
5-TAMRA aldehyde
Rhodamine aldehyde is a reactive fluorescent dye that can react with an amine, hydrazine or hydroxylamine. Aldehyde group is reactive toward amines, hydrazide or hydroxylamine groups from pH 5-9. Unlike amine reactive succinimidyl ester group (NHS), aldehyde can react with N-terminal amine groups at acidic pH, a condition sometimes required for certain bioconjugation reactions. Aldehyde reacts with amine group to form an intermediate Schiff bond. Further reduction with hydride will form a stable C-N bond. Reaction between aldehyde and other groups allows site-specific conjugation and labeling of fluorescein dyes to desired position on targeted molecules. Conjugated rhodamine dye can be easily detected by a common fluorescence instrument under TRITC or Cy3 channel.
Chemical structure for Rhodamine aldehyde [5-TAMRA aldehyde].
Chemical structure for Rhodamine aldehyde [5-TAMRA aldehyde].
CatalogSize
Price
Quantity
90055 mg
Price
90061 mg
Price
 
Physical properties

Molecular weight536.03
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 8, 2025