Research use only. All compounds are for in vitro laboratory research. Not for human consumption. Not FDA approved.
LL-37 human cathelicidin antimicrobial peptide vial
HPLC Verified
>99% Purity
COA Included
Immune & Anti-Inflammatory Peptides

LL-37 (5mg)

$149.99
LL-37 — human cathelicidin-derived antimicrobial peptide studied for innate immune defense, wound healing and anti-inflammatory signaling research. >99% HPLC purity. Research use only.
Format Lyophilized powder
Purity >99% HPLC verified
Storage Lyophilized: -20°C
CAS Number
In Stock — 2–5 day domestic delivery
HPLC Verified
>99% Purity
📄 COA Included
For Research Use Only (RUO)
Not for human consumption. Not intended to diagnose, treat, cure, or prevent any disease. For in vitro and laboratory research purposes only.

Product Information

LL-37 — Human Cathelicidin Antimicrobial Research Peptide

LL-37 is the only member of the cathelicidin family of antimicrobial peptides found in humans. Researchers looking to buy LL-37 peptide will find Official Peptides supplies >99% HPLC-verified purity with batch-specific COA.

Molecular Profile

  • Molecular Weight: 4,493.3 g/mol
  • CAS Number: 154947-66-7
  • Purity: >99% HPLC verified (third-party)

Research Applications

LL-37 has been studied in innate immune defense mechanism research, wound healing pathway models, and anti-inflammatory signaling investigations. Ships to USA and Australia.

For Research Use Only. LL-37 is not approved for human use and is intended strictly for in vitro laboratory research.

For Research Use Only. This compound is intended strictly for in vitro laboratory research by qualified scientists. Not for human consumption. Not FDA approved. Keep out of reach of children.

Third-Party Verified

Every Order Ships with a Certificate of Analysis

We don't just claim purity — we prove it. Every batch of LL-37 (5mg) is independently tested by an accredited third-party laboratory before it reaches you. Your COA is linked to your specific lot number.

HPLC purity analysis — minimum threshold >99%
Mass spectrometry — molecular weight confirmation
Lot number traceable to your order
Endotoxin limits verified — safe for cell-based assays
View Sample COA & Testing Process
Official Peptides Labs Certificate of Analysis
ProductLL-37 (5mg)
Lot #OP-2025-9812
HPLC Purity>99.0%99.2%PASS
Mass Spec (MW)ConfirmedConfirmedPASS
Endotoxin<1 EU/mg<0.5 EU/mgPASS

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