FAM alkyne, 5-isomer

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
Found better price? Let us know and we will propose the way forward!

FAM (fluorescein) alkyne for copper-catalyzed click chemistry, high purity (97+%) 5-isomer. The compound possesses significant aqueous solubility.

Absorbance and emission spectra of FAM

Absorbance and emission spectra of FAM

Customers also purchased with this product

Cyanine5 hydrazide

Cy5 hydrazide is a reactive dye for aldehydes and ketones. It can be used for the labeling of glycoproteins after periodate oxidation of sugar moieties.

FAM hydrazide, 5-isomer

FAM hydrazide is a carbonyl reactive fluorescein derivative. Pure 5-isomer. Can label oxidized proteins, saccharides, and many small molecules with carbonyl groups.

BDP® 630/650 amine

BDP 630/650 is a far red emitting fluorophore for Cyanine5 channel. This fluorophore is based on BDP (borondipyrromethene) core, which provides high quantum yield and photostability. This is an amine derivative of this dye.
Add this product to your cart and
get free express delivery

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
Show more (16)
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.