freeze dried powder LL37 high purity and High Quality 99% Purity 5mg

Name: LL37 5mg

Purity: >99% (or refer to the Certificate of Analysis) Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Shelf Life: >2 years if stored properly Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

LL‑37 is the only human cathelicidin antimicrobial peptide, derived from the hCAP18 protein. It is a 37‑amino acid cationic, amphipathic α‑helical peptide with broad immunomodulatory and host defense functions.  It exhibits potent antimicrobial activity against Gram‑positive and Gram‑negative bacteria, fungi, and enveloped viruses. Beyond direct microbial killing, LL‑37 regulates inflammation, promotes wound healing, modulates immune cell recruitment, and supports tissue repair. It is widely studied in immunology, dermatology, infection research, and mucosal defense.

Production：
Manufactured via solid-phase peptide synthesis (SPPS), followed by purification and lyophilization to obtain the final product.

NOTE: This product was prepared by chemical synthesis. Used only for research. Not for human use.

1. Ultra-High Purity Each batch is synthesized and purified to >99% purity, ensuring reliable and reproducible results in sensitive experiments.

2.Accurate Dosing & Consistency
Our peptides are precisely weighed and vacuum-sealed under sterile conditions. Batch-to-batch consistency is rigorously maintained.

3.Endotoxin-Free & Sterile Processing
Manufactured in a cleanroom environment, our peptides are free from endotoxins, microbial contamination, and other impurities that could interfere with cell-based or in vivo studies.

    We are a chemical manufacturer integrating production, processing and export, mainly dealing in pharmaceutical intermediates and various industrial chemicals. Since its establishment, the company adheres to the spirit of "integrity management, strict quality control, customer first", and has won praise from customers at home and abroad. We have also established an excellent professional sales team with rich international marketing experience, able to efficiently provide a range of products and professional services.
    With synthetic biology platform technology as the core, it conducts innovative research and development, mainly engaged in the research and development of recombinantly expressed pharmaceutical peptides and proteins. Its products include innovative drugs, APIs, pharmaceutical and green synthetic industrial enzymes, functional peptides and protein products, etc.
    At present, our company has realized the industrialization of a variety of biosynthetic peptide products and has obtained cooperation orders from many well-known domestic and foreign pharmaceutical companies.