Chinese Peptide Company
Peptide Synthesis Service

Peptide Synthesis

Our company specializes in custom peptide synthesis services, which involve creating peptides through the process of peptide synthesis. Peptide synthesis entails linking together short chains of amino acids using peptide bonds. Our expertise in this field allows us to meet the unique needs of our clients by offering a wide range of modifications for their custom peptides. From drug discovery to commercial manufacturing, we strive to support our clients throughout the entire product development process while adhering to GMP standards. As one of the top custom peptide synthesis companies, our focus lies in providing high-quality peptide synthesis services.

  • Peptide

Cyclic PeptideLong Linear PeptideModified Peptide
NeoAntigen peptidesPeptidomimeticsCosmetic peptides

Cyclic peptide:

Cyclic peptides are a fascinating and versatile class of molecules that have garnered significant attention in the fields of chemistry, biology, and pharmaceuticals. Unlike linear peptides, which are open-ended chains of amino acids, cyclic peptides form a closed loop due to the covalent bond formation between the N- and C-termini. This distinctive cyclic structure confers unique properties and advantages, making them invaluable in various applications.

One of the defining features of cyclic peptides is their enhanced stability and resistance to enzymatic degradation. This attribute makes them well-suited for drug development, as they can persist longer in the bloodstream, delivering sustained therapeutic effects. Cyclic peptides can also exhibit high binding affinity and specificity to target proteins, making them promising candidates for the development of targeted therapies in areas such as cancer, infectious diseases, and autoimmune disorders.

These molecules are not limited to medicinal applications; they find utility in a wide range of fields. Cyclic peptides have been employed in materials science, serving as building blocks for novel materials, and in agriculture as biopesticides. Their diverse chemical and structural characteristics make them ideal for designing new, innovative solutions across multiple disciplines.

In addition to their utility, cyclic peptides are synthesized through a variety of methods, such as solid-phase synthesis and chemical ligation strategies. Researchers continue to explore and expand the possibilities of cyclic peptides, pushing the boundaries of what can be achieved with these unique molecular structures. Their potential to address complex challenges in science and medicine ensures that cyclic peptides remain a dynamic area of research and innovation.

Neoantigen Peptide:

Neoantigen Peptides: Pioneering Precision in Immunotherapy: In the ever-evolving landscape of cancer treatment, neoantigen peptides have emerged as a groundbreaking frontier, offering renewed hope for patients and healthcare professionals. Neoantigen peptides represent a novel and highly personalized approach to cancer immunotherapy, harnessing the power of the immune system to target and destroy cancerous cells with unprecedented precision.

At the heart of neoantigen peptides lies the concept of neoantigens themselves. Neoantigens are unique protein fragments found exclusively on the surface of cancer cells, arising from mutations within the tumor. These mutations are not present in healthy cells, making neoantigens the ideal targets for a therapeutic immune response. Harnessing this specificity, scientists can design neoantigen peptides that precisely match these mutated proteins, creating a tailored immune response against the malignancy.

The potential of neoantigen peptides lies in their ability to stimulate the patient's immune system to recognize, attack, and eliminate cancer cells while sparing healthy tissue. This level of specificity reduces the risk of adverse effects common with conventional cancer treatments and opens the door to more effective, well-tolerated therapies.

The process of neoantigen peptide development involves cutting-edge techniques in genomics, bioinformatics, and peptide synthesis. Through advanced sequencing and computational analysis, researchers identify unique neoantigens within an individual's tumor. These sequences are then chemically synthesized into neoantigen peptides and administered as part of a personalized immunotherapeutic approach.

Neoantigen peptides are at the forefront of the precision medicine revolution, heralding a future where cancer treatment is as unique as the patients themselves. With ongoing research and clinical trials, the promise of neoantigen peptides in cancer immunotherapy continues to expand, offering new avenues of hope in the fight against this complex and diverse disease.

Long Linera peptide:

Long Linear Peptides, often referred to as LLPs, represent an exciting and innovative class of peptides that have gained increasing attention in the field of biotechnology, pharmaceuticals, and scientific research. These peptides distinguish themselves from their shorter counterparts by featuring extended sequences of amino acids, typically consisting of more than 50 residues. This unique characteristic makes Long Linear Peptides a versatile and promising group of molecules with a wide range of applications.

One of the key advantages of LLPs is their ability to harness the biological functions of proteins in a more simplified and cost-effective manner. By incorporating extended sequences, these peptides can mimic the activities of larger proteins, making them invaluable tools for studying complex biological processes, such as signal transduction, protein-protein interactions, and enzymatic functions. Researchers can use LLPs to probe intricate cellular pathways and gain deeper insights into disease mechanisms.

Long Linear Peptides also hold immense potential in drug discovery and development. They can be designed to target specific protein-protein interactions or modulate cellular processes, making them candidates for therapeutic applications in areas such as oncology, immunology, and neurology. Additionally, their versatility allows for the exploration of novel drug candidates with reduced production costs and simplified synthesis protocols.

At the forefront of cutting-edge research, Long Linear Peptides are reshaping the landscape of peptide-based biotechnology and molecular biology. As our understanding of these molecules continues to evolve, their applications are expanding, offering new opportunities to advance science and improve human health. Whether you are a researcher, scientist, or pharmaceutical developer, Long Linear Peptides open doors to exciting possibilities in the world of peptide therapeutics and molecular biology. Join us in exploring the potential of these extended amino acid chains as we embark on a journey of discovery and innovation.

Modified Peptide:

Modified peptides, a fascinating and rapidly evolving field in peptide chemistry, have emerged as a powerful tool with a broad spectrum of applications in various scientific, medical, and industrial domains. These modified peptides represent a class of synthetic or naturally occurring peptides that have undergone deliberate chemical alterations to enhance their stability, bioavailability, or functional properties.

The modifications can encompass a wide range of changes, including the addition of non-natural amino acids, introduction of post-translational modifications, incorporation of chemical groups for improved pharmacokinetics, or alteration of the peptide's structural conformation. Such modifications can significantly impact the peptide's biological activity, making them versatile for applications in drug development, molecular research, diagnostics, and beyond.

One common application of modified peptides is in drug design and development. By optimizing a peptide's stability, solubility, and half-life, researchers can create more effective pharmaceuticals, with improved therapeutic potential and reduced side effects. Additionally, modified peptides are vital in the study of protein-protein interactions, cell signaling pathways, and as diagnostic tools for diseases like cancer and neurodegenerative disorders.

The world of modified peptides is an exciting frontier with boundless possibilities. It enables scientists and researchers to tailor peptides to meet specific requirements, whether for targeted drug delivery, disease diagnostics, or the elucidation of complex biological processes. As this field continues to expand, it promises to drive innovations in medicine and biotechnology, offering new avenues for addressing some of the most challenging health and scientific questions of our time. Whether you are an experienced scientist or a curious newcomer, exploring modified peptides can open doors to innovative solutions and discoveries that have the potential to transform the way we approach healthcare and scientific research.


Peptidomimetics, a burgeoning field at the intersection of chemistry, biology, and drug discovery, offers a promising avenue to harness the therapeutic potential of bioactive peptides while addressing some of their limitations. These synthetic compounds are designed to mimic the structures and functions of natural peptides, opening up exciting opportunities for drug development, functional analysis, and molecular research.

Natural peptides play critical roles in numerous biological processes, but they often face challenges as drug candidates due to their susceptibility to degradation, limited oral bioavailability, and difficulty in crossing cellular membranes. Peptidomimetics offer a solution by preserving the beneficial properties of peptides while enhancing their stability and pharmacokinetics.

One of the most intriguing aspects of peptidomimetics is their adaptability. Scientists can design these compounds to target specific biological pathways, modulate protein-protein interactions, or disrupt disease-related processes. This versatility has led to the development of peptidomimetic drugs for conditions like cancer, infectious diseases, and neurological disorders.

Peptidomimetics can take various forms, including small molecules, peptoids, and macrocycles, and can be tailored to interact with particular protein targets. By structurally mimicking key regions of peptides, they offer the potential to enhance drug-like properties, increase oral bioavailability, and reduce susceptibility to enzymatic degradation.

As the field of peptidomimetics continues to evolve, researchers and pharmaceutical companies are increasingly exploring these compounds as candidates for innovative therapeutics. Their versatility, targeted activity, and enhanced drug-like properties make peptidomimetics a promising frontier in drug discovery and a bridge between the world of peptides and small molecules. In an era of personalized medicine and precision drug development, peptidomimetics hold the promise of delivering more effective and tailored treatments for a wide range of diseases.

Cosmetic Peptides:

In the ever-evolving world of skincare and beauty, the pursuit of youthful, radiant skin has long been a driving force. Advances in cosmetic science have led to the development of innovative products and techniques, with one of the most exciting breakthroughs being the use of Cosmetic Peptides.

Cosmetic Peptides are a class of bioactive compounds that have revolutionized the way we approach skincare. These short chains of amino acids, the building blocks of proteins, have been harnessed for their remarkable ability to target specific skin concerns, from reducing fine lines and wrinkles to enhancing skin elasticity and promoting a more even complexion.

What sets Cosmetic Peptides apart is their precision. These tiny yet potent ingredients can be designed to mimic the body's natural signaling peptides, which play a vital role in skin repair and regeneration. When applied topically, Cosmetic Peptides can communicate with our skin cells, stimulating collagen production, increasing hydration, and promoting a smoother and firmer complexion.

The versatility of Cosmetic Peptides is another key feature. There are numerous types of peptides, each with a specific skincare function, allowing products to be tailored to individual needs. Whether you're looking to address aging signs, improve skin texture, or brighten your complexion, there's likely a Cosmetic Peptide that can assist you on your skincare journey.

As the beauty industry continues to embrace the science of peptides, the possibilities for healthier, more youthful skin are expanding. With ongoing research and innovation, Cosmetic Peptides are poised to remain at the forefront of the quest for beauty and self-confidence. Explore the world of Cosmetic Peptides and discover the transformative power they hold in unlocking the secrets to youthful and radiant skin.

  • Peptide Conjugate

Peptide Drug Conjugate (PDC)Peptide Antibody Conjugate (PAC)
Peptide Oligo Conjugate (POC)PEGylated Peptide

A peptide conjugate is formed when a peptide is chemically linked or conjugated with another molecule, such as a drug, antibody, oligonucleotide, or polyethylene glycol (PEG). By attaching these molecules to peptides, conjugates can enhance the peptide's therapeutic properties, stability, targeting ability, or half-life in the body.

Peptide Drug Conjugate (PDC) involve conjugating peptides with pharmacologically active drugs to improve drug delivery, selectivity, and efficacy. Peptide Antibody Conjugate (PAC) combine peptides with antibodies to create targeted therapeutics for treating various diseases. Peptide Oligo Conjugate (POC) involve coupling peptides with oligonucleotides for applications in gene silencing or gene therapy. PEGylated Peptides refer to peptides modified with polyethylene glycol (PEG) to enhance their stability, solubility, and circulation time in the body.

  • Peptide Modification Types

Modification Types
FRET and TR-FRET SubstratesSulfation and SulfonationEpitope Mapping
Stable Isotope-labeled PeptidesIncorporation of Unnatural Amino AcidsPeptide Libraries
Hydrocarbon and Triazole StaplesLipidationNeoantigen-based Libraries
Peptide MacrocyclesN-Terminal ModificationsProtein Conjugation
Click PeptidesC-Terminal ModificationsSelenocysteine
Dye and Fluorescent LabelsPeptide PNADepsipeptides
PEGylation (mono- and polydispersed)Hydrophobic SequencesPeptidomimetics
Metal Chelating ConjugatesPeptoidsMultiple Antigenic Peptides (MAPs)
Multiple Disulfide BondsCell-Penetrating PeptidesMaleimide Group Installation
GlycosylationLong Sequences
PhosphorylationNative Chemical Ligation

Custom Peptide Synthesis FAQs

What are peptides?

Answer: Peptides are short chains of amino acids, which are the building blocks of proteins. They play crucial roles in various biological processes and are essential for the proper functioning of our bodies.

How are peptides different from proteins?

Answer: Peptides are shorter chains of amino acids, typically consisting of fewer than 50 amino acids, whereas proteins are longer chains. Proteins usually have specific functions, while peptides can serve a wide range of roles in the body.

What is peptide synthesis?

Answer: Peptide synthesis is the process of creating peptides, which are short chains of amino acids, in the laboratory. It involves chemically bonding amino acids together in a specific order to form the desired peptide.

What are the primary methods of peptide synthesis?

Answer: The two primary methods of peptide synthesis are solid-phase peptide synthesis (SPPS) and liquid-phase peptide synthesis. SPPS is the most widely used method due to its efficiency and versatility.

How does solid-phase peptide synthesis (SPPS) work?

Answer: In SPPS, the growing peptide chain is attached to a solid support, and amino acids are added one by one in a specific sequence. After each addition, unreacted amino acids are washed away, and the process is repeated until the desired peptide is formed.

What is liquid-phase peptide synthesis, and when is it used?

Answer: Liquid-phase peptide synthesis is an older method where peptides are synthesized in a solution phase. It is less commonly used today but may be suitable for certain specialized applications.

What are the key components needed for peptide synthesis?

Answer: The essential components for peptide synthesis include protected amino acids, a solid support (for SPPS), coupling reagents, and a peptide synthesizer or appropriate laboratory equipment.

Can I order custom synthesized peptides for research or medical purposes?

Answer: Yes, many companies offer custom peptide synthesis services. You can provide the sequence you need, and they will synthesize the peptide according to your specifications.

Get In Touch With CPC
Get In Touch With CPC

Please submit a detailed description of your request. We will provide you with professional services to meet your research requests. You can also send emails directly to for inquiries.