About Us
Custom PEG Synthesis

Biopharma PEG provides custom synthesis, process development, and scale-up manufacturing of high-quality Polyethylene Glycol (PEG) derivatives for pharmaceutical and biotechnology companies.

We specialize in the design and production of functionalized PEG derivatives, high-purity monodisperse (discrete) PEGs, and multi-arm architectures. We can supply PEG products from milligrams to multi-kilogram scale, with high purity, structural accuracy, and strict quality control—ideal for applications in Antibody-Drug Conjugates (ADCs), PROTACs, Lipid Nanoparticles (LNPs), peptides, oligonucleotides, and hydrogel formulations, etc.
 

Custom PEG Synthesis Capabilities

Our custom synthesis platform supports a wide range of chemistries and architectures for PEGs.

A. Functional PEG Derivatives

We offer PEG derivatives with a broad spectrum of functional groups (200 Da - 43 kDa):

  • Reactive Groups: NHS Esters, Maleimide, Carboxylic Acid, Amine, Thiol, Aldehyde, Hydroxyl, etc.
  • Lipid-PEGs: DSPE, DOPE, DMG, Cholesterol, etc
  • Click Chemistry: Azide (N3), Alkyne, DBCO, etc
  • Fluorescent Labeling: Cy3, Cy5, Cy7, FITC, etc.
  • Heterobifunctional & Homobifunctional PEGs: Precise control over end-group functionalization.

B. Monodisperse PEG (Discrete PEG)

Specialized synthesis of high-purity, single-molecular-weight PEGs.

  • ● Defined molecular weight
  • ● Narrow polydispersity
  • ● Batch-to-batch uniformity
  • ● Tight impurity control
  • ● High analytical confidence

C. Custom PEG Architectures

  • ● Linear PEGs (Monofunctional, Heterobifunctional & Homobifunctional)
  • ● Y-shape PEGs
  • ● Multi-Arm PEGs (4-arm, 8-arm)
Reactive-PEGs
Reactive PEGs. source: DOI:10.1590/s2175-97902018000001009
 

Scale-Up & Manufacturing (mg → g → kg → 100+ kg)

Biopharma PEG supports projects from milligram research quantities to multi-kilogram and commercial production. All manufacturing is conducted under strict process controls and well-established quality standards.

We provide both non-GMP and GMP-grade PEG derivatives through custom synthesis, enabling customers to meet specific technical and regulatory requirements.
 

Analytical & Quality Control

Every custom synthesized product undergoes a strict quality assessment using advanced instrumentation:

  • ● NMR (400 MHz)
  • ● HPLC / SEC-HPLC / RP-HPLC
  • ● MALDI-TOF MS / LC-MS / GC-MS

Analytical rigor ensures identity, purity, and reproducibility across batches.

Connect with our team to discuss your specific requirements. Email: sales@biochempeg.com.

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