Custom Peptide Synthesis Services | High-Purity Peptides for Research & Drug Development

Professional Peptide Synthesis for Research & Industry

We provide custom peptide synthesis services for academic laboratories, biotechnology companies, pharmaceutical enterprises, and research institutions worldwide.
Our expertise covers a wide range of linear and cyclic peptides, modified peptides, and high-complexity sequences with guaranteed purity, structural accuracy, and reproducibility.

As a trusted peptide manufacturer and supplier, we combine advanced synthetic technologies, rigorous analytical testing, and comprehensive quality assurance to deliver peptides that meet the highest research standards.


1. Why Choose Our Custom Peptide Synthesis

Precision & Reliability

  • Each peptide is synthesized with state-of-the-art solid-phase and liquid-phase technologies.

  • Optimized coupling strategies ensure high yield and sequence fidelity, even for long or complex peptides.

Wide Range of Modifications

  • N-terminal and C-terminal modifications

  • Biotinylation, fluorescent labeling, PEGylation

  • Fatty acid conjugation, glycosylation, phosphorylation

  • D-amino acid incorporation, non-natural residues

  • Isotope labeling (^13C, ^15N) for mass spectrometry and structural studies

High Purity & Analytical Verification

  • All peptides undergo HPLC, LC-MS, and optional NMR for confirmation of identity, purity, and molecular weight.

  • Purity levels range from β‰₯70% for screening peptides to β‰₯98% for high-quality research-grade peptides.


2. Peptide Types We Synthesize

We can produce peptides tailored to your specific research needs:

Peptide TypeApplications
Linear peptidesProtein-protein interaction studies, antibody epitope mapping
Cyclic peptidesEnzyme inhibitors, receptor-binding studies
Conjugated peptidesFluorescence assays, biotin-streptavidin capture, imaging
Modified peptidesPhosphorylation, acetylation, lipidation, glycosylation
Peptide librariesHigh-throughput screening, SAR studies
Long & complex sequencesStructural biology, therapeutic research
Stable isotope-labeled peptidesQuantitative proteomics, NMR studies

3. Our Peptide Synthesis Process

We follow a streamlined workflow to ensure consistent quality and timely delivery:

  1. Sequence Design & Feasibility Assessment

    • Evaluate peptide length, hydrophobicity, solubility, and potential modifications.

    • Provide feedback on synthesis feasibility and recommended purification strategies.

  2. Quotation & Order Confirmation

    • Detailed quotation including purity, quantity, modification, and estimated lead time.

    • Confirmation triggers dedicated synthesis planning and resource allocation.

  3. Peptide Synthesis & Purification

    • Solid-phase peptide synthesis (SPPS) using Fmoc or Boc chemistry.

    • Liquid-phase synthesis for long or complex peptides.

    • Purification using prep-HPLC, reverse-phase chromatography, or lyophilization.

  4. Analytical Testing & QC

    • Confirm sequence and purity with HPLC, LC-MS, optional NMR.

    • COA generated for each batch detailing molecular weight, purity, and physical appearance.

  5. Packaging & Delivery

    • Lyophilized or solution peptides packed with temperature-sensitive, protective packaging.

    • Shipment via DHL, FedEx, or UPS with full tracking and customs documentation.


4. Peptide Quantities & Purity Levels

We offer flexible quantities and purity levels to meet different research requirements:

QuantityPurityApplications
1–10 mgβ‰₯70%Screening and preliminary studies
10–100 mgβ‰₯85%Biochemical assays and functional studies
100 mg–1 gβ‰₯95%Structural biology, advanced research
>1 gβ‰₯98%Preclinical studies, high-demand experiments

5. Analytical Verification & Quality Control

We maintain strict QC standards to ensure reproducibility and data reliability:

  • HPLC for purity assessment

  • Mass spectrometry for molecular weight confirmation

  • Optional NMR or amino acid analysis for high-complexity peptides

  • Documentation: COA, MS report, and optional MSDS for hazardous modifications

  • Storage: lyophilized peptides stable at -20Β°C, solutions under recommended conditions

All processes adhere to ISO 9001 quality standards and are designed to meet research-grade or GMP-grade requirements upon request.


6. Research Applications of Custom Peptides

Our peptides are widely used in:

  • Drug Discovery: ALK, kinase inhibitors, receptor ligands

  • Biochemical Assays: ELISA, binding studies, enzymatic assays

  • Structural Biology: NMR, crystallography, cryo-EM

  • Antibody Generation: Custom antigens for polyclonal or monoclonal antibodies

  • Proteomics & Mass Spectrometry: Stable isotope-labeled peptides for quantitative analysis

  • Therapeutic Research: Immunotherapy, oncology, metabolic disorders, neurological research


7. Benefits of Partnering with Us

βœ… Experienced Peptide Chemists β€” decades of combined expertise in peptide design and synthesis.
βœ… Global Supply Capability β€” delivery to 80+ countries with cold-chain and secure shipping.
βœ… Flexible Customization β€” modifications, sequences, and libraries tailored to your project.
βœ… Fast Turnaround β€” short lead times from sequence confirmation to delivery.
βœ… Reliable Quality Assurance β€” COA and full analytical verification for every batch.

Our goal is to empower your scientific research by providing peptides that meet the highest standards of purity, accuracy, and reproducibility.


8. Contact Our Peptide Experts

πŸ“§ Email: semaglutide.glp1@gmail.com
πŸ“ž Tel: +[44 7591 004122]
🌍 Office Hours: Monday–Friday, 9:00–18:00 (GMT+8)

Submit your sequence, modifications, or peptide requirements today, and our team will provide a detailed quotation and synthesis plan within 24 hours.


Keywords

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