Alkyne maleimide

Cat. # Quantity Price Lead time
41780 25 mg $95 in stock
51780 50 mg $175 in stock
61780 100 mg $200 in stock
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Alkyne maleimide is a bifunctional linker reagent which allows to attach terminal alkyne to various thiol-containing molecules, such as proteins containing cysteine residues. The alkyne moiety can be then conjugated with various azides via copper-catalyzed сlick chemistry reaction.

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Bifunctional reagent containing alkyne group and hydrazide function. It reacts with aldehydes and ketones. Alkyne group can then be coupled with various azides via CuAAC reaction.

AF 430 NHS ester

AF 430 is a hydrophilic coumarin dye with emission in the green-yellow range. The NHS ester is used for the labeling of amine groups.

sulfo-Cyanine3 DBCO

sulfo-Cyanine3 DBCO is a cycloalkyne derivative of water-soluble fluorophore sulfo-Cyanine3 for copper-free click chemistry.

General properties

Appearance: colorless solid
Mass spec M+ increment: 234.1
Molecular weight: 234.25
Molecular formula: C12H14N2O3
Solubility: good in DMSO, DMF, alcohols, limited 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. Desiccate.
MSDS: Download
Product specifications

Product citations

  1. Hulce, K.R.; Jaishankar, P.; Lee, G.M.; Bohn, M.-F.; Connelly, E.J.; Wucherer, K.; Ongpipattanakul, C.; Volk, R.F.; Chuo, S.-W.; Arkin, M.R.; Renslo, A.R.; Craik, C.S. Inhibiting a dynamic viral protease by targeting a non-catalytic cysteine. Cell Chemical Biology, 2022, 29(5), 785-798.e19. doi: 10.1016/j.chembiol.2022.03.007
  2. Zanon, P.R.A.; Yu, F.; Musacchio, P.; Lewald, L.; Zollo, M.; Krauskopf, K.; Mrdović, D.; Raunft, P.; Maher, T.E.; Cigler, M.; Chang, C.; Lang, K.; Toste, F.D.; Nesvizhskii, A.I.; Hacker, S.M. Profiling the proteome-wide selectivity of diverse electrophiles. ChemRxiv, 2021, preprint. doi: 10.33774/chemrxiv-2021-w7rss-v2
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