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Tide Quencher™ 3 acid
TQ3 acid
TQ3 is designed to be a superior quencher to TAMRA, TF3 and Cy3. TQ3 has (a). much stronger absorption; (b). much higher quenching efficiency; and (c). versatile reactive forms with desired solubility for labeling oligonucleotides and peptides. This TQ3 product is primarily used for labeling peptides.
<p><strong></strong>With EDAC or other equivalent activating coupling agents, dyes can react readily with the primary amines (R-NH<sub>2</sub>) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The resulting dye conjugates are quite stable.</p>
<p><strong></strong>With EDAC or other equivalent activating coupling agents, dyes can react readily with the primary amines (R-NH<sub>2</sub>) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The resulting dye conjugates are quite stable.</p>
protocol
Protocol
sds
SDS
COA
CatalogSize
Price
Quantity
2220100 mg
Price
 
Physical properties
Molecular weight453.51
SolventDMSO
Spectral properties
Absorbance (nm)573
Correction factor (260 nm)0.085
Correction factor (280 nm)0.091
Extinction coefficient (cm -1 M -1)
22000
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
UNSPSC12352200
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Page updated on September 26, 2025