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

What is LL37?

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. CAS Number: 154947-66-7 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.

• Items	Specifications
  Product Name	LL37
  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

  

    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.
   

    Hong Kong City Trade Co., Ltd. was established in 2019 and possesses strong R&D capabilities, excellent synthesis technology, and advanced quality control measures. We effectively collaborate with major companies and manufacturers, and serve society and a wide range of users based on the principles of industrial development. We consistently focus on market demand, continuously synthesizing new chemical products and pharmaceutical intermediates with high technological content, primarily exporting to the United States, India, South Africa, Nigeria, and many other countries and regions. We have extensive export experience to ensure safe transportation and guarantee that every customer receives their goods safely and promptly.