DBCO-NHS ester

NHS esters Cycloalkynes Protein labeling Copper-free click chemistry Crosslinking
Cat. # Quantity Price Lead time
34720 10 mg $80 in stock
44720 25 mg $110 in stock
54720 50 mg $135 in stock
64720 100 mg $210 $178 in stock
94720 1 g $1000 $970 in stock
K4720 5 g $3570 $2990 in stock
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Dibenzocyclooctyne (ADIBO, DBCO) is one of the most reactive cycloalkynes for strain-promoted alkyne azide cycloaddition (SPAAC) — a copper-free click chemistry reaction.

DBCO reacts instantly with azides. The reaction rate is much higher than that of copper-catalyzed reaction, and reactions with many other cyclooctynes. Unlike some other cyclooctynes, DBCO does not react with tetrazines — this allows to carry out orthogonal conjugation of azides with DBCO, and trans-cyclooctenes with tetrazines.

This amine-reactive NHS ester provides easy attachment of the reactive moiety to almost any primary or secondary amine group, such as protein, peptide, or small molecule amine.

DBCO-NHS ester, 64720
DBCO-NHS ester, 64720
DBCO-NHS ester, 64720
DBCO (ADIBO) NHS ester structure
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THPTA ligand

THPTA is a water-soluble ligand for Cu(I)-catalyzed click chemistry. The ligand stabilizes copper in its Cu(I) oxidation state. Due to high aqueous solubility, reactions with this ligand do not require an organic co-solvent.

General properties

Appearance: off white solid
Mass spec M+ increment: 315.1
Molecular weight: 430.45
CAS number: 1384870-47-6
Molecular formula: C25H22N2O5
IUPAC name: 6-{2-Azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl}-6-oxohexanamide
Solubility: good in DCM, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 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. Mitchell, M.I.; Ben‐Dov, I.Z.; Ye, K.; Liu, C.; Shi, M.; Sadoughi, A.; Shah, C.; Siddiqui, T.; Okorozo, A.; Gutierrez, M.; Unawane, R.; Biamonte, L.; Parihk, K.; Spivack, S.; Loudig, O. Exhaled breath condensate contains extracellular vesicles (EVs) that carry miRNA cargos of lung tissue origin that can be selectively purified and analyzed. Journal of Extracellular Vesicles, 2024, 13(4), e12440. doi: 10.1002/jev2.12440
  2. Mitchell, M.I.; Ben-Dov, I.Z.; Liu, C.; Wang, T.; Hazan, R.B.; Bauer, T.L.; Zakrzewski, J.; Donnelly, K.; Chow, K.; Ma, J.; Loudig, O. Non-invasive detection of orthotopic human lung tumors by microRNA expression profiling of mouse exhaled breath condensates and exhaled extracellular vesicles. Extracellular Vesicles and Circulating Nucleic Acids, 2024, 5(1), 138-64. doi: 10.20517/evcna.2023.77
  3. Mitchell, M.I.; Khalil, M.; Ben-Dov, I.Z.; Alverez-Perez, J.; Illsley, N.P.; Zamudio, S.; Al-Khan, A.; Loudig, O. Customizing EV-CATCHER to Purify Placental Extracellular Vesicles from Maternal Plasma to Detect Placental Pathologies. International Journal of Molecular Sciences, 2024, 25(10), 5102. doi: 10.3390/ijms25105102
  4. Gabold, B.; Adams, F.; Brameyer, S.; Jung, K.; Ried, C. L.; Merdan, T.; Merkel, O. M. Transferrin-Modified Chitosan Nanoparticles for Targeted Nose-to-Brain Delivery of Proteins. Drug Deliv. and Transl. Res., 2023, 13(3), 822–838. doi: 10.1007/s13346-022-01245-z
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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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