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Mal-amido-PEG2-NHS

  CAS No.: 955094-26-5   Cat No.: BADC-00447   Purity: ≥98% 4.5  

Mal-amido-PEG2-NHS is a dual-functional PEG linker containing maleimide and NHS ester groups for site-specific antibody-payload conjugation. The PEG2 unit ensures minimal steric interference and optimal drug delivery.

Mal-amido-PEG2-NHS

Structure of 955094-26-5

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Category
ADC Linker
Molecular Formula
C18H23N3O9
Molecular Weight
425.39
Shipping
-20°C (International: -20°C)
Shipping
Store at -20°C

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Synonyms
2,5-dioxopyrrolidin-1-yl 3-(2-(2-(3-(2,5-dioxo-2H-pyrrol-1(5H)-yl)propanamido)ethoxy)ethoxy)propanoate; Propanoic acid, 3-[2-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester; 2,5-Dioxo-1-pyrrolidinyl 3-[2-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]ethoxy]propanoate; N-Hydroxysuccinimidyl-(polyethylene glycol) 2-maleimide; NHS-PEO2-maleimide; SM(PEG)2; Mal-PEG2-NHS; Maleimide-PEG2-NHS Ester; Mal-NH-PEG2-NHS; Maleimide-NH-PEG2-CH2CH2COONHS Ester
IUPAC Name
(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]propanoate
Canonical SMILES
C1CC(=O)N(C1=O)OC(=O)CCOCCOCCNC(=O)CCN2C(=O)C=CC2=O
InChI
InChI=1S/C18H23N3O9/c22-13(5-8-20-14(23)1-2-15(20)24)19-7-10-29-12-11-28-9-6-18(27)30-21-16(25)3-4-17(21)26/h1-2H,3-12H2,(H,19,22)
InChIKey
TZPDZOJURBVWHS-UHFFFAOYSA-N
Density
1.41±0.1 g/cm3
Solubility
Soluble in DCM
Appearance
Colourless Oily Matter
Shipping
-20°C (International: -20°C)
Storage
Store at -20°C

Mal-amido-PEG2-NHS is a chemical linker commonly used in the field of bioconjugation and drug delivery. Here are some key applications of Mal-amido-PEG2-NHS:

Bioconjugation: Mal-amido-PEG2-NHS is widely used for conjugating proteins, antibodies, or peptides with other molecules, such as drugs or fluorescent dyes. The NHS ester group reacts with primary amines, while the maleimide group targets thiols, ensuring stable and specific linkage. This is critical for developing targeted drug delivery systems and diagnostic tools in research and clinical settings.

Drug Delivery Systems: In drug delivery, Mal-amido-PEG2-NHS helps in modifying therapeutic agents to improve their solubility, stability, and bioavailability. The PEG (polyethylene glycol) component enhances the drug's pharmacokinetic properties by reducing immunogenicity and prolonging circulation time. This linker can be used to attach drugs to carrier molecules, enabling controlled release and targeted therapy.

Surface Modification: Mal-amido-PEG2-NHS is employed to modify surfaces of biomaterials and medical devices, providing a hydrophilic and biocompatible layer. This modification reduces protein adsorption and cell adhesion, minimizing undesirable immune responses and improving device performance. Such surface engineering applications are essential for implants and biosensors.

Crosslinking: In biopolymer chemistry, Mal-amido-PEG2-NHS is used for crosslinking molecules within hydrogels and other polymer matrices. The controlled crosslinking capability allows for tuning the mechanical and physical properties of the materials, making them suitable for tissue engineering and regenerative medicine applications. This approach supports the development of scaffolds that mimic natural tissue environments.

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

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Historical Records: Propargyl-PEG1-SS-PEG1-acid | N-(2-Oxotetrahydrofuran-3-yl)butyramide | Fmoc-Phe-Lys(Trt)-PAB-PNP | Mc-MMAE | N-succinimidyl-5-(2-pyridyldithio)valerate | Galantamine hydrobromide | Pladienolide B | Pyridin-2-yldisulfanyl-PEG4-NHS | Mal-PEG2-NHS ester | Perfluorophenyl 2-(cyclooct-2-ynyloxy)acetate | Mal-amido-PEG2-NHS
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