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CBZ-N-amido-dPEG®₈-acid (QBD-10276)

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Description

CBZ-N-amido-dPEG®8-acid, product number QBD-10276, is a benzyl carbamate (Cbz) N-protected amino-dPEG®-acid that provides a short, single molecular weight discrete PEG (dPEG®) spacer. It can be used in peptide synthesis to modify the side chain of lysine and in other forms of supramolecular construction. The Cbz protecting group is stable to acidic and basic conditions and is most easily removed using palladium black or palladium on carbon with hydrogen. This makes Cbz removal orthogonal to most other peptide synthesis deprotection reactions.

Specifications

Unit Size100 mg, 1000 mg
Molecular Weight575.65; single compound
Chemical formulaC₂₇H₄₅NO₁₂
CAS1334177-87-5
Purity> 98%
SpacersdPEG® Spacer is 28 atoms and 32.2 Å
ShippingAmbient
Typical solubility properties (for additional information contact Customer Support)Methylene chloride, DMAC 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.

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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