LL-37 10mg
Human cathelicidin antimicrobial peptide
≥99.0%
Third-Party
COA
Complete your research kit
Also searched as: Cathelicidin, CAP-18 fragment
Third-Party Tested
HPLC & mass spec verified purity
Batch Specific COA
Certificate with every batch
Discreet Packaging
Plain, unbranded, tamper-evident
Same-Day Dispatch
Before 2PM AEST, Australia-wide
LL-37 is a synthetic research peptide corresponding to the human cathelicidin antimicrobial peptide LL-37, a molecule studied extensively in innate immunity and host-defence research. LL-37 research peptide is of scientific interest because of its interactions with microbial membranes, immune signalling pathways and cellular responses associated with inflammation and tissue biology. Supplied as a laboratory research material, LL-37 is intended for controlled experimental investigation only and not for human or therapeutic use.
What Is LL-37?
LL-37 is a 37-amino-acid cationic peptide derived naturally from the C-terminal region of human cathelicidin antimicrobial protein, commonly known as hCAP18. It forms part of the body’s innate defence system and is expressed by several cell types, including epithelial cells and immune cells.
The peptide has attracted research attention because its activity extends beyond direct interactions with microorganisms. Experimental studies have examined LL-37 in relation to membrane disruption, chemotactic signalling, inflammatory responses and cellular communication.
LL-37 can also interact with biological membranes and several signalling systems. These characteristics make it a useful experimental compound for researchers investigating host-defence mechanisms and peptide-mediated cellular responses.
Key Research Areas
LL-37 research has primarily examined:
These areas remain research contexts and should not be interpreted as evidence that an LL-37 research product provides therapeutic benefits.
Why Researchers Study LL-37
LL-37 is scientifically interesting because it combines membrane-active properties with signalling activity. Its positive charge and amphipathic structure can facilitate interactions with negatively charged microbial membranes, which has contributed to its use in antimicrobial peptide research.
Researchers have also investigated how LL-37 influences immune-cell recruitment, inflammatory mediators and receptor-associated signalling. Its biological behaviour can vary depending on concentration, experimental conditions, cell type and surrounding molecular environment.
This complexity makes LL-37 particularly relevant to studies examining how innate defence peptides participate in interconnected biological pathways.
Key Research Areas at a Glance
LL-37 in Australia
Researchers looking for LL-37 Australia products should assess more than the product name or nominal vial quantity. Batch documentation, analytical testing, traceability and appropriate laboratory packaging are important considerations when comparing research materials.
Before purchasing LL-37 online in Australia, researchers should confirm current stock, price, shipping arrangements and the availability of a batch-specific CoA directly from the supplier.
Specifications
Certificate of Analysis
Quality, Purity and Batch Testing
Analytical documentation is important when working with LL-37 peptide because identity, purity and batch consistency can influence experimental interpretation.
Researchers should consult the product’s batch-specific Certificate of Analysis (CoA) for verified information regarding peptide quantity, purity and analytical methods. Where HPLC, LC-MS or other analytical testing is provided, the relevant batch documentation should be used rather than assuming specifications from another batch.
Analytical purity confirms characteristics of the tested material; it does not establish clinical safety or therapeutic effectiveness.
Storage & Handling
Storage and Laboratory Handling
- Lyophilised Storage: Follow the verified storage conditions supplied with the specific LL-37 batch or accompanying product documentation.
- After Reconstitution: Researchers should follow validated laboratory procedures and batch documentation. No post-reconstitution stability period should be assumed unless supported by appropriate stability data.
Good laboratory practice includes careful sample identification, contamination control and accurate recording of storage and handling conditions.
Reconstitution calculator: LL-37 10mg
Work out concentration and the volume to draw for each aliquot before you add diluent.
- Concentration
- –
- Volume per aliquot
- –
- On a 1 mL (U-100) syringe
- –
- Aliquots per vial
- –
A laboratory arithmetic aid only. Verify every calculation independently. Not dosing guidance; research use only.
LL-37 10mg: Frequently Asked Questions
LL-37 is a 37-amino-acid human cathelicidin peptide investigated primarily in innate immunity, antimicrobial and cellular-signalling research.
Its cationic, amphipathic structure allows interactions with biological membranes, while experimental studies have also investigated immune and cellular signalling mechanisms.
LL-37 has demonstrated membrane-associated antimicrobial activity under experimental conditions, making it relevant to host-defence research.
Research includes innate immunity, microbial membranes, biofilms, inflammation, cell migration and epithelial biology.
Purity and testing specifications should be confirmed from the Certificate of Analysis supplied for the individual batch.
Check the specific product listing or supplier's CoA library for current batch-specific analytical documentation.
Follow the verified storage instructions accompanying the product and its batch documentation. Unsupported storage temperatures or stability periods should not be assumed.
Availability, price, stock status and Australian shipping should be confirmed with the relevant research peptide supplier before ordering.
No. This product is supplied strictly for in-vitro laboratory research. It is not approved for human or veterinary use and must not be consumed or administered.
Orders placed before 2PM AEST on business days are dispatched the same day from Melbourne. Standard Post takes 3–7 business days and Express Post 1–3 business days, both tracked and discreet.



Reviews
There are no reviews yet.