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 SDS

Molecular Weight: 4473.17; single compound;

CAS: N/A

Spacers: dPEG® Spacer is 130 atoms and 102.4 Å, avg.

Shipping: Ambient

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.

Site specific discrete PEGylation of 124I-labeled mCC49 Fab’ fragments improves tumor microPET/CT imaging in mice. Haiming Ding, Michelle M Carleton, Stephen P Povoski, Keisha Milum, Krishan Kumar, Kothandaraman Shankaran, George H Hinkle, David Colcher, Rich Brody, Paul D Davis, Alexander Pokora, Mitchell Phelps, Edward W. Martin, and Michael F. Tweedle. Bioconjugate Chemistry. 2013, October 4, 2013. DOI: 10.1021/bc400375f.




Additional Search Phrases: PEG, dPEG, discrete PEG, polyethylene glycol, PEGylation reagent, maleimide, maleimido, thiol reactive, sulfhydryl reactivepharmacokinetic, pharmacokinetics, serum half-life, branched PEG, pharmacodynamic, pharmacodynamics, chemical modification reagent, chemical modification reagents, serum half-life modifier, carboxyl terminated, carboxylic acid terminated, carboxylic acid, carbonyl, MAL-PEG12-Tris(-PEG24-acid)3, MAL-PEG600-Tris(PEG1200-COOH)3, Branched carboxy-PEG-maleimide

 SDS    Datasheet

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MAL-dPEG®₁₂-Tris(-dPEG®₂₄-acid)₃

$350.00 – $900.00

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PRODUCT IS SOLD STRICTLY FOR INTERNAL LABORATORY AND RESEARCH PURPOSES ONLY AND HAS NOT BEEN REVIEWED BY THE FDA. PRODUCT IS NOT FOR RESALE AND CANNOT BE INCORPORATED INTO COMMERCIAL GOODS FOR ANY USE OR USED IN THE DEVELOPMENT OF COMMERCIAL PRODUCTS OR IN THE PERFORMANCE OF COMMERCIAL SERVICES UNLESS UNDER A SEPARATE LICENSING, SUPPLY, OR DISTRIBUTOR AGREEMENT WITH QUANTA BIODESIGN, LTD. For information pertaining to the commercial use of our products, please click here to contact us.

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MAL-dPEG®12-Tris(-dPEG®24-acid)3, product number 11451, is a thiol- and amine-reactive, four-arm, monodispersed PEG with one arm shorter than the other three. This product is useful for charge modulation and elimination of renal clearance in drug delivery and imaging applications, among others. The dPEG® spacer length is from the maleimide olefin to the carbonyl carbon on each of the three long arms.

What is dPEG®?

The dPEG® tradename is Quanta BioDesign’s brand for monodisperse PEG products. The name “dPEG®” stands for “discrete PEG” because each dPEG® product contains only one length and molecular weight of PEG in the product. Our dPEG® products are quite different from traditional PEGylation reagents, which are disperse polymers.

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What is dPEG®?

Frequently Asked Questions (about dPEG® products)

Architecture and Use of MAL-dPEG®12-Tris(-dPEG®24-acid)3

MAL-dPEG®12-Tris(-dPEG®24-acid)3 is a monodispersed branched PEG compound built around a tris core. From the maleimide olefin to carbonyl carbon immediately before the tris core is 46 atoms. From the tris core to the carbonyl carbon on each branch is 83 atoms. The total linker length is 129 atoms.

The maleimido group that terminates the short arm of this product reacts with sulfhydryl groups to form thioether bonds. It conjugates directly to target biomolecules. The terminal carboxylic acid groups can be modified with various functional or reactive groups (e.g., NHS, TFP esters) or used as-is for charge modulation.

As a charge modulator, Ding, Carleton, Povoski, et al. (see the references section on this page), showed that this product, when conjugated to an antibody (CC49), altered the biodistribution of the conjugate, leading to improved microPET/CT imaging in mice.

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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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