Mal-PEG4-bis-PEG4-propargyl

Mal-PEG4-bis-PEG4-propargyl Catalog number: BADC-01276

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Mal-PEG4-bis-PEG4-propargyl is a cleavable 8 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Category
ADCs Linker
Product Name
Mal-PEG4-bis-PEG4-propargyl
Catalog Number
BADC-01276
Molecular Formula
C49H81N5O20
Molecular Weight
1060.19
Purity
≥95%

Ordering Information

Catalog Number Size Price Quantity
BADC-01276 -- $-- Inquiry
Description
Mal-PEG4-bis-PEG4-propargyl is a cleavable 8 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).
Solubility
10 mm in DMSO
Shelf Life
0-4°C for short term (days to weeks), or -20°C for long term (months).
Shipping
Room temperature
Storage
Store at -5°C,keep in dry and avoid sunlight.

Mal-PEG4-bis-PEG4-propargyl is a versatile compound used primarily in bioconjugation and targeted drug delivery applications. The maleimide (Mal) group allows for the selective conjugation to thiol-containing biomolecules such as proteins, antibodies, or peptides, enabling the creation of targeted drug delivery systems. The PEG4 spacers enhance the solubility, stability, and pharmacokinetics of the conjugate, ensuring that the payload remains soluble and protected in vivo. The propargyl group enables bioorthogonal reactions with azide-functionalized molecules through the copper-catalyzed azide-alkyne cycloaddition (CuAAC) reaction, a widely used strategy for selective conjugation and activation in complex biological environments. This feature is particularly useful for targeted therapy and imaging applications.

One of the key applications of Mal-PEG4-bis-PEG4-propargyl is in the development of antibody-drug conjugates (ADCs) for cancer treatment. By using the maleimide group to link cytotoxic agents to monoclonal antibodies, this conjugate allows for selective targeting of tumor cells that express specific surface antigens. The PEG4 spacers improve the pharmacokinetics of the conjugate, increasing its solubility and circulation time. The propargyl group facilitates the precise attachment of additional therapeutic or diagnostic agents using the CuAAC reaction, allowing for multivalent targeting or the incorporation of imaging agents for monitoring therapeutic efficacy. This targeted approach enhances the specificity and potency of chemotherapy while minimizing side effects.

Mal-PEG4-bis-PEG4-propargyl is also used in bioorthogonal chemistry for selective labeling and imaging of biomolecules. The propargyl group reacts with azide-containing molecules in living systems via CuAAC, making it an ideal tool for the covalent labeling of proteins, nucleic acids, or other biomolecules. This allows researchers to track the behavior and interactions of specific molecules in vivo, providing valuable insights into cellular processes and molecular pathways. The PEG4 linkers ensure that the conjugated molecules remain soluble, stable, and functional, which is crucial for accurate labeling and imaging in complex biological environments. This application is particularly beneficial in molecular imaging, proteomics, and cellular biology research.

Additionally, Mal-PEG4-bis-PEG4-propargyl is used in the design of drug delivery systems that require controlled release. The maleimide group enables stable conjugation with therapeutic agents, while the PEG4 spacers improve the pharmacokinetics and bioavailability of the drug. The propargyl group provides a site for the attachment of other bioactive molecules or targeting ligands using CuAAC, enabling the creation of multi-functional delivery systems. These systems can be designed to release drugs at specific sites in response to a variety of stimuli, such as changes in pH or the presence of specific enzymes, enhancing the selectivity and efficacy of the treatment. This approach is particularly promising in the context of personalized medicine and targeted therapy.

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Historical Records: Mal-PEG4-bis-PEG4-propargyl
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