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Home > Biochemical Engineering > Polypeptide > LL-37 for Sale > LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg Vials | Lyophilized Powder
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - large image1
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - image1
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - image2
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - image3
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - image4
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - image5
LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder buy - image6

LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg Vials | Lyophilized Powder

COA TDS 3 Inquiries

Unit Price:

$45/UNIT FOB

Get Latest Price
CAS No.:

154947-66-7

Grade:

Pharmaceutical Grade

Content:

99%

Port:

GungZhou

Brand:

MingHeng

Packaging:

5mg/vial,10 vials/box

Price valid (until):

2028-12-31

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Agrochemicals,Chemical Pesticides,Peptides

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Sales manager:Emily
    whatsapp:+852 9720 1305
    Email:emily@xtmingheng.com

    sincerely look forward to your inquiries about our products.


       Product Detail  


    Items Specifications

    Product Name   

     LL-37

    CAS 

    154947-66-7
    Molecular Formula C205H340N60O53
    color White
    Form Solid freeze-dried powder
    Storage condition  -20°C
    Purity     99%  
     Packaging Bottle, Can, Drum, Plastic Container, Vacuum Packet (According to customers' requirements)  
     Trademark Customzied accepted   


      What is it?   


    LL-37 is a versatile small protein molecule naturally produced by the human body, often metaphorically described as the body's own “smart defense guard.” It is produced by surface barrier cells (like those in the skin and respiratory tract) and immune cells, serving as a core component of the innate immune system. It acts at the “front line” of infection and injury, embodying a genius molecule that combines the functions of a “soldier, sentinel, and doctor.”

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 1


    Uses and Functions  


    Its primary roles can be summarized in three key aspects:

    1. Rapid Response Unit

    When bacteria, fungi, or enveloped viruses invade, LL-37 acts like a “natural antibiotic,” directly attacking and physically destroying or inhibiting these pathogens with speed.

    2. Alarm Signal & Commander

    Upon detecting pathogens or tissue damage, LL-37 serves as an “alarm signal,” releasing chemical cues to recruit more immune cells (like neutrophils and macrophages) to the “battlefield.” Simultaneously, it acts like a “field commander,” intelligently modulating the intensity and duration of the inflammatory response—effectively eliminating threats while preventing excessive immune reactions that could harm the body’s own tissues.

    3. Repair Engineer

    Once the battle subsides, LL-37’s work continues. It transitions into the role of a “repair foreman,” promoting the migration and proliferation of skin cells, stimulating the formation of new blood vessels, and actively clearing the “battlefield” to accelerate wound healing and tissue regeneration.

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 2


      Mechanism of Action


    1. Physical Breach (Against Microbes)

    The LL-37 molecule carries a positive charge, while the cell membranes of bacteria and fungi carry a negative charge. They attract each other like magnets. Once close, LL-37 inserts itself and disrupts the microbial membrane structure, effectively “punching holes” in it. This causes the microbe’s internal contents to leak out, leading to rapid death. This mode of attacking the overall membrane structure makes it very difficult for bacteria to develop resistance, unlike with conventional antibiotics.

    2. Sending Signals (Commanding the Immune System)

    LL-37 itself is a crucial signaling molecule. When released at sites of infection or injury, it acts like a “flare” or a “homing beacon,” guiding other immune cells. It tells immune cells “where the enemy is,” instructs them on how to coordinate the attack, and signals when to stop fighting and begin repair work.

    3. Promoting Growth (Repairing Damaged Tissue)

    During the repair phase, LL-37 “communicates” with cells like skin cells and vascular endothelial cells, activating their internal growth signaling pathways. This is akin to giving repair cells the “green light,” encouraging them to migrate faster to the wound site, proliferate, and form new blood vessel networks, thereby efficiently completing the reconstruction task.

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 3


      Benefits


    • Broad-Spectrum and Potent: Effective against a wide range of common pathogens, including some drug-resistant bacteria.

    • Low Resistance Risk: Its unique physical mode of action significantly reduces the risk of pathogens developing resistance.

    • Intelligent Modulation: Not only initiates immune attack but also precisely controls the level of inflammation, preventing excessive immune damage.

    • Promotes Healing: Seamlessly bridges the “defense” and “repair” processes, making it an ideal promoter of tissue regeneration.

    • Naturally Safe: As an endogenous substance, it has high biocompatibility and typically does not cause strong side effects or allergic reactions.

    • Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 4


      Company Profile   


        Our company is a modern advanced enterprise specializing in production and exportation of APIs, Pharmaceutical intermediates, plant extracts etc. Our products are widely used in medicine, health care products, cosmetics, nutritional supplements and food additives areas. Our factory covers an area of 95 acres, the proposed construction of the plant will be GMP standards, the factory environment clean and tidy, rational layout, with large and medium-sized production workshop and repocessed shop. It is equipped with advanced equipment quality inspection and research center. Those products of both quality and technical content have reached the domestic advanced level. Since its establishment, the company has attached great importance to the team training and technical reform. Our modern production equipment guarantees for a fast and effective production with a superior degree of accuracy throughout the whole production line, everything is done in-house, processing, extraction, packaging and transportation of all links, ensuring maximum quality and efficiency. We are constantly research and development new ingredients and innovative new products, have earned the respect & Admiration from the worldwide customers. After years of continuous development, company has been accumulated rich experience in international trade and customer resources, established a stable customer base and perfect marketing service network. In addition, the company has established long-term technical cooperation with experts and professors from many universities and research institutes in the province.

    OPTIMIZED, AUTOMATED HIGH-YIELD PRODUCTION

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 5

    ROBUST PROCESSES AND SUPPLY SECURITY

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 6 Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 7


      Why choose us  


    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 8

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 9

    Shop LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder-Detailed Image 10

    ECHEMI Editorial Reference
    LL-37, Human acetate is a 37-residue, amphipathic, cathelicidin-derived antimicrobial peptide, which exhibits a broad spectrum of antimicrobial activity.
    Research & Reference Note

    LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg Vials | Lyophilized Powder is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

    Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

    Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals

    Certificates
    • LL37 | US Warehouse | Cosmetic Peptides | 99% Purity | 5mg  Vials | Lyophilized Powder Certificates 2 TDS

    Basic Info
    Product Name:

    LL-37

    Other Name:

    Antibacterial Protein LL-37 (huMan), LL37, CAMP;H-Leu-Leu-Gly-Asp-Phe-Phe-Arg-Lys-Ser-Lys-Glu-Lys-Ile-Gly-Lys-Glu-Phe-Lys-Arg-Ile-Val-Gln-Arg-Ile-Lys-Asp-Phe-Leu-Arg-Asn-Leu-Val-Pro-Arg-Thr-Glu-Ser-OH;Antibacterial Protein LL-37 (human);LL-37 (trifluoroacetate salt);LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES;Cathelicidin LL 37 (human);LL-37, LL37, CAMP;LL-37 human acetate

    CAS No.:

    154947-66-7

    Molecular Formula:

    C205H340N60O53

    InChIKeys:

    POIUWJQBRNEFGX-XAMSXPGMSA-N

    Molecular Weight:

    0

    EC Number:

    211-519-9

    Color/Form:

    White to off-white

    Categories:

    Polypeptide

    Characteristics
    Water Solubility:

    Soluble to 1 mg/ml in water

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Agrochemicals,Chemical Pesticides,Peptides

    Location:

    haikou

    Payment Terms:

    L/C,O/A,100% TT in advance

    Average lead Time:

    7

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    51-100

    Year of Establishment:

    2024

    Certifications:

    coa

    Company Profile


    High-Quality Peptides: Our company specializes in premium-grade peptides, ensuring the highest standards of purity and efficacy. Each product undergoes rigorous testing to guarantee superior quality and performance.
    Cutting-Edge Technology: We leverage the latest advancements in peptide synthesis and production technology. Our state-of-the-art facilities and innovative processes enable us to deliver peptides with exceptional precision and consistency.
    Custom Solutions: We offer tailored peptide solutions to meet the specific needs of our clients. Whether you require bespoke formulations or custom quantities, our experienced team is dedicated to providing personalized support and solutions.
    Extensive Expertise: With years of experience in the peptide industry, our team of experts is well-versed in the complexities of peptide development and applications. We are committed to providing insightful guidance and technical support to help you achieve your goals.
    Comprehensive Product Range : Our diverse portfolio of peptide products covers a wide range of applications, including research, pharmaceutical development, and cosmetic formulations. This allows us to cater to various industries and meet different customer needs.

  • Inquiry History
    3 Inquiries
    Country Product Purchase Quantity Date Posted
    Indonesia

    LL 37

    1  Aug 6, 2026
    Indonesia

    LL 37

    1  Aug 6, 2026
    Indonesia

    LL-37

    5 MG Jun 23, 2026
    Post an enquiry for this product
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