TAMRA alkyne, 5-isomer

Alkynes TAMRA (TMR, Tetramethylrhodamine) 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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ROX DBCO, 5-isomer

ROX (rhodamine X) is a bright rhodamine dye. This is a DBCO (dibenzocyclooctyne) derivative that has high reactivity against azides.

TAMRA NHS ester, 5-isomer

Amine-reactive, activated N-hydroxysuccinimidyl ester of TAMRA dye for the labeling of amine groups of proteins, peptides, and amino-oligonucleotides. 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
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