Bis-PEG4-NHS ester - CAS 1314378-11-4

Bis-PEG4-NHS ester - CAS 1314378-11-4 Catalog number: BADC-00379

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Bis-PEG4-NHS ester is a non-cleavable 4-unit PEG linker that can be used to synthesize antibody-conjugated drugs (ADCs).

Category
ADCs Linker
Product Name
Bis-PEG4-NHS ester
CAS
1314378-11-4
Catalog Number
BADC-00379
Molecular Formula
C20H28N2O12
Molecular Weight
488.45
Bis-PEG4-NHS ester

Ordering Information

Catalog Number Size Price Quantity
BADC-00379 -- $--
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Description
Bis-PEG4-NHS ester is a non-cleavable 4-unit PEG linker that can be used to synthesize antibody-conjugated drugs (ADCs).
Synonyms
Bis(2,5-dioxopyrrolidin-1-yl) 4,7,10,13-tetraoxahexadecane-1,16-dioate; NHS-PEG4-NHS; Bis(2,5-dioxopyrrolidin-1-yl) 4,7,10,13-tetraoxahexadecanedioate; 4,7,10,13-Tetraoxahexadecanedioic acid, 1,16-bis(2,5-dioxo-1-pyrrolidinyl) ester; 1,1'-[(1,16-Dioxo-4,7,10,13-tetraoxahexadecane-1,16-diyl)bis(oxy)]di(2,5-pyrrolidinedione); 2,5-Pyrrolidinedione, 1,1'-[(1,16-dioxo-4,7,10,13-tetraoxahexadecane-1,16-diyl)bis(oxy)]bis-; α,ω-disuccinimidyl triethylene glycol; Di-NHS Ester-PEG4
IUPAC Name
(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES
C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
InChI
InChI=1S/C20H28N2O12/c23-15-1-2-16(24)21(15)33-19(27)5-7-29-9-11-31-13-14-32-12-10-30-8-6-20(28)34-22-17(25)3-4-18(22)26/h1-14H2
InChIKey
BQLKLYYHZOLCLV-UHFFFAOYSA-N
Density
1.4±0.1 g/cm3
Solubility
Soluble in DCM, DMSO
Appearance
Pale Yellow or Colorless Oily Matter
Purity
≥98%
Shipping
Room temperature, or blue ice upon request.
Storage
Store at 2-8°C
Boiling Point
605.1±65.0°C at 760 mmHg

Bis-PEG4-NHS ester is a versatile chemical reagent used for bioconjugation and crosslinking applications. Here are some key applications of Bis-PEG4-NHS ester:

Protein-Protein Conjugation: Bis-PEG4-NHS ester is frequently used to link two proteins together via their primary amine groups. This is particularly useful in creating antibody-drug conjugates for targeted cancer therapies. The PEG spacer helps to maintain the functional integrity of both proteins by reducing steric hindrance and enhancing solubility.

Surface Functionalization: Bis-PEG4-NHS ester can be used to functionalize surfaces such as nanoparticles or biomaterials by attaching specific proteins or peptides. This is crucial for developing biosensors and diagnostic assays where surface-bound molecules need to maintain their biological activity. The homobifunctional nature of Bis-PEG4-NHS ester ensures efficient and stable surface modification.

Drug Delivery Systems: In drug delivery research, Bis-PEG4-NHS ester can be used to modify drugs or drug carriers to improve their pharmacokinetics and biodistribution. By attaching polyethylene glycol (PEG) chains via NHS ester chemistry, the modified drug molecules exhibit enhanced solubility and reduced immunogenicity. This approach can lead to more effective and less toxic therapeutic outcomes.

Study of Protein Interactions: Bis-PEG4-NHS ester facilitates the study of protein-protein interactions by crosslinking interacting partners. This is especially useful in identifying and confirming protein complexes in cellular pathways. By stabilizing transient interactions, researchers can capture and analyze protein assemblies that play key roles in various biological processes.

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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