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Bis-dPEG®11-DBCO, product number QBD-11372, is a homobifunctional click chemistry crosslinker consisting of two dibenzylcyclooctyne (DBCO) groups separated by a medium-length (39 atoms, 44.2 Å), single molecular weight, discrete polyethylene glycol (dPEG®) spacer. The DBCO groups react with azide groups via the bioorthogonal click chemistry reaction known as strain-promoted azide-alkyne cycloaddition (SPAAC), also known as copper-free click chemistry. This product is particularly useful for click chemistry reactions where the presence or use of copper(I) [Cu(I)] is undesirable. Any two molecules containing accessible azide groups can be crosslinked with this compound. Applications for Bis-dPEG®11-DBCO include crosslinking biomolecules that have been modified to include azide groups and construction of complex supramolecular structures.
| Unit Size | 25 mg, 100 mg, 500 mg |
|---|---|
| Molecular Weight | 1147.35; single compound |
| Chemical formula | C₆₄H₈₂N₄O₁₅ |
| CAS | N/A |
| Purity | > 98% |
| Spacers | dPEG® Spacer is 39 atoms and 44.2 Å |
| Shipping | Ambient |
| Typical solubility properties (for additional information contact Customer Support) | Methylene Chloride, Methanol, DMAC, DMF, or DMSO |
| Storage and handling | -20°C; Always let come to room temperature before opening; be careful to limit exposure to moisture and restore under an inert atmosphere; stock solutions can be prepared with dry solvent and kept for several days (freeze when not in use). dPEG® pegylation compounds are generally hygroscopic and should be treated as such. This will be less noticeable with liquids, but the solids will become tacky and difficult to manipulate, if care is not taken to minimize air exposure. |
Greg T. Hermanson, Bioconjugate Techniques, 2nd Edition, Elsevier Inc., Burlington, MA 01803, April, 2008 (ISBN-13: 978-0-12-370501-3; ISBN-10: 0-12-370501-0). Specifically see pp. 726-729 in his Chapter 18 on discrete PEG compounds for pegylation applications.
Greg T. Hermanson, Bioconjugate Techniques, 3rd Edition, Elsevier, Waltham, MA 02451, 2013, ISBN 978-0-12-382239-0; See chapter 18, Discrete PEG Reagents, pp.787-821, for a full overview of the dPEG® products.
Applicable patents and legal notices are available at legal notices.
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