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760676

Sigma-Aldrich

Dibenzocyclooctyne-PEG4-maleimide

for Copper-free Click Chemistry

Sinónimos:

Polyethylene glycol, DBCO-PEG4-maleimide

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About This Item

Fórmula empírica (notación de Hill):
C36H42N4O9
Peso molecular:
674.74
MDL number:
MFCD22572659
UNSPSC Code:
12161502
PubChem Substance ID:
329766888
NACRES:
NA.22

form

solid

reaction suitability

reaction type: click chemistry
reagent type: cross-linking reagent

functional group

maleimide

storage temp.

−20°C

SMILES string

O=C(CCNC(CCOCCOCCOCCOCCNC(CCN1C(C=CC1=O)=O)=O)=O)N2CC3=C(C=CC=C3)C#CC4=C2C=CC=C4

InChI

1S/C36H42N4O9/c41-32(14-18-39-34(43)11-12-35(39)44)38-17-20-47-22-24-49-26-25-48-23-21-46-19-15-33(42)37-16-13-36(45)40-27-30-7-2-1-5-28(30)9-10-29-6-3-4-8-31(29)40/h1-8,11-12H,13-27H2,(H,37,42)(H,38,41)

InChI key

VVFZXPZWVJMYPX-UHFFFAOYSA-N

Application

Maleimide functionalized cyclooctyne derivative for incorporation of the cyclooctyne moiety into thiol containing compounds or biomolecules. Cyclooctynes are useful in strain-promoted copper-free azide-alkyne cycloaddition reactions. This dibenzocyclooctyne will react with azide functionalized compounds or biomolecules without the need for a Cu(I) catalyst to result in a stable triazole linkage. The PEG lipophilic spacer helps to reduce aggregation and precipitation problems when labeling biomolecules.
Applications Include:
  • Protein-peptide conjugates
  • Antibody-enzyme or antibody-drug conjugates
  • Protein or peptide-oligonucleotide conjugates
  • Surface modification

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCN2592
MKCQ3414
MKCQ0196
MKCP2052
MKCM7716

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Efficient cargo delivery into adult brain tissue using short cell-penetrating peptides
Kizil C, et al.
PLoS ONE, 10(4), e0124073-e0124073 (2015)
Nano-scale alignment of proteins on a flexible DNA backbone.
Nojima T, et al.
PLoS ONE, 7(12), e52534-e52534 (2012)
Ning, X., et al.
Angewandte Chemie (International Edition in English), 47, 2253-2255 null
Xiaowen Liu et al.
Biomacromolecules, 17(1), 173-182 (2015-12-15)
Intracellularly-acting therapeutic proteins are considered promising alternatives for the treatment of various diseases. Major limitations of their application are low efficiency of intracellular delivery and possible reduction of protein activity during derivatization. Herein, we report pH-sensitive covalent modification of proteins
Nalinikanth Kotagiri et al.
Bioconjugate chemistry, 25(7), 1272-1281 (2014-06-18)
Antibody-based proteomics is an enabling technology that has significant implications for cancer biomarker discovery, diagnostic screening, prognostic and pharmacodynamic evaluation of disease state, and targeted therapeutics. Quantum dot based fluoro-immunoconjugates possess promising features toward realization of this goal such as
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Artículos

Copper-Free Click Chemistry

Copper-free click chemistry is an alternative approach to click chemistry that proceeds at a lower activation barrier and is free of cytotoxic transition metal catalysts.

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