FAM alkyne, 5-isomer

Alkynes FAM (Fluorescein) Click chemistry Fluorescence polarization
Cat. # Quantity Price Lead time
A41B0 1 mg –   in stock
B41B0 5 mg $100 in stock
C41B0 10 mg $150 in stock
D41B0 25 mg $295 in stock
E41B0 50 mg $450 in stock
F41B0 100 mg $780 in stock
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FAM (fluorescein) alkyne for copper-catalyzed click chemistry, high purity (97+%) 5-isomer. The compound possesses significant aqueous solubility.

FAM alkyne, 5-isomer
FAM alkyne, 5-isomer
FAM alkyne, 5-isomer
Structure of 5-FAM alkyne
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Absorbance and emission spectra of FAM

Absorbance and emission spectra of FAM

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ROX amine, 6-isomer

An amine derivative of ROX (Rhodamine X, Rhodamine 101) dye that is reactive toward electrophiles. It can also be used for enzymatic transamination labeling. Pure 6-isomer.

sulfo-Cyanine3 alkyne

A water-soluble dye alkyne for copper-catalyzed click chemistry. The fluorophore sulfo-Cyanine3 is a bright and photostable dye for the Cy3® channel.

ROX NHS ester, 6-isomer

Pure 6-isomer of ROX (Rhodamine X, R101) NHS-ester for amine labeling.

General properties

Appearance: yellow solid
Molecular weight: 413.38
CAS number: 510758-19-7
Molecular formula: C24H15O6N
Solubility: good in aqueous buffers (pH > 8), alcohols, DMSO, DMF
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: 492
ε, L⋅mol−1⋅cm−1: 74000
Emission maximum, nm: 517
Fluorescence quantum yield: 0.93
CF260: 0.22
CF280: 0.17

Product citations

  1. Cardenas, A. J.; Thomas, K. S.; Broden, M. W.; Ferraro, N. J.; Pires, M. M.; John, C. M.; Jarvis, G. A.; Criss, A. K. Neisseria Gonorrhoeae Scavenges Host Sialic Acid for Siglec-Mediated, Complement-Independent Suppression of Neutrophil Activation. mBio, 2024, 15(5), e00119-24. doi: 10.1128/mbio.00119-24
  2. Wang, Y.-J.; Li, L.; Yu, J.; Hu, H.-Y.; Liu, Z.-X.; Jiang, W.-J.; Xu, W.; Guo, X.-P.; Wang, F.-S.; Sheng, J.-Z. Imaging of Escherichia Coli K5 and Glycosaminoglycan Precursors via Targeted Metabolic Labeling of Capsular Polysaccharides in Bacteria. Sci. Adv., 2023, 9(7), eade4770. doi: 10.1126/sciadv.ade4770
  3. 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.
  4. Kamzabek, D.; Le Dé, B.; Coche-Guérente, L.; Miomandre, F.; Dubacheva, G.V. Thermoresponsive Fluorescence Switches Based on Au@pNIPAM Nanoparticles. Langmuir, 2021, 37(37), 10971–10978. doi: 10.1021/acs.langmuir.1c01397
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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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