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t-boc-N-amido-dPEG®₂₄-acid (QBD-10763)

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Description

t-boc-N-amido-dPEG®24-acid, product number QBD-10760, is composed of a boc-protected primary amine and a propionic acid group on opposite ends of an extended (76 atoms), single molecular weight, discrete PEG (dPEG®) linker. Designed for use in Boc-based peptide chemical synthesis, t-boc-N-amido-dPEG®24-acid can be used to insert a discrete PEG linker/spacer at the N-terminus of a peptide chain or to add a dPEG® onto the side chain of an amino acid such as lysine or ornithine. Insertion of t-boc-N-amido-dPEG®24-acid at the N-terminus of a peptide allows the creation of a flexible, hydrophilic bridge to the C-terminus of another peptide. The Boc protecting group cleaves easily under acidic conditions with, for example, TFA. This compound can also be used to modify amine-functionalized surfaces to passivate them with a hydrophilic spacer. Removal of the boc group with acid allows for functionalization of the surface with peptides, proteins, or small molecules.

Specifications

Unit Size100mg, 1000mg
Molecular Weight1246.47; single compound
Chemical formulaC₅₆H₁₁₁NO₂₈
CAS187848-68-6
Purity> 98%
SpacersdPEG® Spacer is 76 atoms and 89.0 Å
ShippingAmbient
Typical solubility properties (for additional information contact Customer Support)Methylene chloride, Acetonitrile, DMAC, DMSO or water.
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.



References

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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