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 SDS

Molecular Weight: 760.82; single compound

CAS: 1334170-03-4

Spacers: dPEG® Spacer is 28 atoms and 32.2 Å

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.

Design of a modular tetrameric scaffold for the synthesis of membrane-localized D-peptide inhibitors of HIV-1 entry. J. Nicholas Francis, Joseph S Redman, Debra M Eckert, and Michael S. Kay. Bioconjugate Chemistry, 2012, 23 (6), pp 1252-1258, May 1, 2012. DOI: 10.1021/bc300076f.

Novel Synthetic Route to Peptide-Capped Gold Nanoparticles, Takeshi Serizawa, Yu Hirai, and Mamoru Aizawa. Langmuir. 2009, 25 (20), pp 12229–12234. September 21, 2009. DOI: 10.1021/la9021799.

Additional Search Phrases: PEG, dPEG, discrete PEG, polyethylene glycol, PEGylation reagent, peptide, peptides, peptide synthesis, peptide synthesis reagents, peptide modification, Fmoc, solid phase peptide synthesis, PEG8, water soluble peptides, Fmoc peptide synthesis, NHS, N-hydroxysuccinimide ester, NHS ester, active ester, Fmoc-N-amido-PEG8-NHS ester, Fmoc-PEG8-NHS ester, Fmoc-PEG-NHS ester

 SDS    Datasheet

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Fmoc-N-amido-dPEG®₈-NHS ester

$175.00 – $675.00

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Product#: 10995 Categories: ,

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Fmoc-N-amido-dPEG®8-NHS ester, product number 10995, is one of Quanta BioDesign’s peptide synthesis products. This product is pre-activated with an N-hydroxysuccinimide (NHS) ester for conjugation to free amines. The dPEG®8 spacer allows the introduction of a short, hydrophilic spacer into a peptide chain.

PEGylation with Quanta BioDesign’s dPEG® Products

PEGylation refers to the covalent addition of polyethylene glycol (PEG) to a compound or surface. PEGylated compounds include proteins, peptides, dyes or other labels, and small molecule drugs. Peptide synthesis frequently employs PEGylation to enhance the water solubility of hydrophobic peptides. Moreover, peptide PEGylation prolongs the in vivo circulation of peptide conjugates by both increasing the peptide’s hydrodynamic volume and protecting the peptide from proteolysis. Additionally, PEGylation reduces or eliminates the antigenicity of the conjugated peptide.

Traditional PEGs, however, are dispersed polymers (Đ > 1.00). A traditional PEG consists of multiple chain lengths with various molecular weights. The stated molecular weight for a conventional PEG indicates an average of the distribution of chain lengths and molecular weights.

Quanta BioDesign’s single molecular weight PEG products (known as “discrete PEG” and sold under the dPEG® trademark) provide all of the benefits of traditional, dispersed PEG without the analytical headache that comes from having an intractable mixture of conjugates, each with different PEG chain lengths.

Learn more!

What is dPEG®?

Frequently Asked Questions (about dPEG® products)

Using Fmoc-N-amido-dPEG®8-NHS ester

Fmoc-N-amido-dPEG®8-NHS ester permits our customers to insert a short (28 atoms) dPEG® into a peptide chain using well-known chemistry. The product works equally well in solid-phase and solution-phase synthetic processes. The dPEG® can be inserted at either end of the peptide chain or in the middle of two chains to provide a flexible spacer between different peptides. Also, the short dPEG® spacer can be used to provide extra distance in a synthetic construct where steric hindrance is a problem. The amphiphilic nature of dPEG® means that the construct will gain some degree of water solubility while remaining soluble in organic solvent. The Fmoc protecting group removes easily with a solution of piperidine in N, N-dimethylformamide (DMF).

In published scientific reports, Fmoc-N-amido-dPEG®8-NHS ester has been used to build peptide-based inhibitors of HIV-1 and to create novel synthetic routes to peptide-capped gold nanoparticles. Many more applications are possible.

Fmoc-N-amido-dPEG®8-NHS ester Is Part of a Line of Products

To help our customers discover the optimum linker length necessary for a particular product or application, Fmoc-N-amido-dPEG®8-NHS ester, product number 10995, is part of a line of Fmoc-protected amino-dPEG® active ester products. We offer Fmoc-protected amino-dPEG® acids activated with either N-hydroxysuccinimide (NHS) or 2,3,5,6-tetrafluorophenol (TFP). We also provide Fmoc-protected amino-dPEG® acids that are not pre-activated. We invite you to consider our entire line of Fmoc-protected amino-dPEG®x-acid and active ester products whenever you need a single molecular weight PEG for your product.

Bulk Quantities Are Available

If you need bulk product in a larger package size than our standard sizes, please contact us for a quote. Our commercial capabilities permit us to manufacture this product at any scale that you need.

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Additional information

Weight .5 oz
Dimensions .75 × .75 × 2 in

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