Chemistry & Sequence Reference
Identity fields below are based on public chemistry or biomedical reference records where available. Batch-specific purity, identity, counter-ion and analytical results should be verified against the documentation for the selected stock source.
Overview
LL-37 is a 37-amino-acid human cathelicidin-derived peptide. PubChem records CID 16198951 with the molecular formula C205H340N60O53, and specialist biochemical suppliers index CAS 154947-66-7 for the research peptide.
It is widely used in innate-immunity, host-defense and peptide-membrane interaction research.
This product is strictly for research purposes only. Not approved for human or animal use.
Reference: NIH PubChem | Bio-Techne/Tocris
Key Characteristics
MOLECULAR PROFILE
Formula: C205H340N60O53
Weight: 4493.3 g/mol
CAS: 154947-66-7
Sequence / Composition: LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES
PHYSICAL PROPERTIES
Form: Lyophilized peptide powder
Solubility: Water-soluble under commonly used research-buffer conditions; exact behavior is concentration- and counter-ion-dependent.
Stability: 37-residue cationic peptide; protect from moisture, adsorption and repeated freeze-thaw cycles.
Storage: Store dry and frozen for long-term research storage; follow batch-specific documentation.







