TAMRA alkyne, 5-isomer

TAMRA (TMR, Tetramethylrhodamine) Alkynes Click chemistry
Cat. # Quantity Price Lead time
A71B0 1 mg –   in stock
B71B0 5 mg $260 in stock
C71B0 10 mg $325 in stock
D71B0 25 mg $410 in stock
E71B0 50 mg $695 in stock
F71B0 100 mg $890 in stock
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TAMRA alkyne for click chemistry, pure 5-isomer. TAMRA (TMR, tetramethylrhodamine) is a xanthene dye. It forms a FRET pair with fluorescein.

This alkyne is suitable for сopper-catalyzed сlick chemistry (CuAAC).

TAMRA alkyne, 5-isomer, E71B0
TAMRA alkyne, 5-isomer, E71B0
TAMRA alkyne, 5-isomer, E71B0
Structure of TAMRA alkyne, 5-isomer
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Absorption and emission spectra of 5-TAMRA

Absorption and emission spectra of 5-TAMRA

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A catalyst for click reaction. A stable copper(II) complex which must be converted to monovalent copper(I) in situ using reducing agents. The complex can be used to prepare a reaction buffer of any composition.

sulfo-Cyanine5 NHS ester

Water-soluble sulfo-Cyanine5 succinimidyl ester for labeling various amine-containing molecules in the aqueous phase.

TAMRA DBCO, 5-isomer

Cyclooctyne derivative of tetramethylrhodamine (TMR, TAMRA) for copper-free click chemistry conjugation with azides. Pure 5-isomer.

General properties

Appearance: violet solid
Mass spec M+ increment: 467.2
Molecular weight: 467.51
CAS number: 945928-17-6
Molecular formula: C28H25N3O4
Solubility: good in DMF, DMSO, low in water
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 541
ε, L⋅mol−1⋅cm−1: 84000
Emission maximum, nm: 567
Fluorescence quantum yield: 0.1
CF260: 0.32
CF280: 0.19

Product citations

  1. Guarin, M.; Faelens, R.; Giusti, A.; De Croze, N.; Léonard, M.; Cabooter, D.; Annaert, P.; de Witte, P.; Ny, A. Spatiotemporal Imaging and Pharmacokinetic of Fluorescent Compounds in Zebrafish Eleuthero-Embryos After Different Routes of Administration. Scientific Reports, 2021, 11(1), 12229. doi: 10.1038/s41598-021-91612-6.
  2. Guarin, M.; Ny, A.; De Croze, N.; Maes, J.; Léonard, M.; Annaert, P.; de Witte, P. A. M. Pharmacokinetics in Zebrafish Embryos (ZFE) Following Immersion and Intrayolk Administration: A Fluorescence-Based Analysis. Pharmaceuticals, 2021, 14(6), 576. doi: 10.3390/ph14060576
  3. Guarin, M.; Faelens, R.; Giusti, A.; De Croze, N.; Léonard, M.; Cabooter, D.; Annaert, P.; de Witte, P.; Ny, A. Spatiotemporal imaging and pharmacokinetics of fluorescent compounds in zebrafish eleuthero-embryos after different routes of administration. Scientific Reports, 2021, 11, 12229. doi: 10.1038/s41598-021-91612-6
  4. Rojas-Sánchez, L.; Sokolova, V.; Riebe, S.; Voskuhl, J.; Epple, M. Covalent Surface Functionalization of Calcium Phosphate Nanoparticles with Fluorescent Dyes by Copper-Catalysed and by Strain-Promoted Azide-Alkyne Click Chemistry. ChemNanoMat, 2019, 5(4), 436–446. doi: 10.1002/cnma.201800509
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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