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Immune & Inflammation Research
LL-37
Lyophilized in the USA4493 g/mol
LL-37 is a research peptide studied in models involving innate immune signaling, antimicrobial peptide biology, inflammatory response, epithelial barrier research, wound-response pathways, and host-defense mechanisms.
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Quantity
1
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Your purchasing batch
LL01
Certificate on record for this lot
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Per-batch COA access
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Verified test results
Every batch, independently verified.
Each batch is analyzed by ILS Laboratories, an independent ISO/IEC 17025 accredited lab, before release. Below is the report for lot LL01, summarized from the certificate the lab published.
ILSPASS
ILS Laboratories
Independent · ISO/IEC 17025 accredited
Certificate of Analysis · COA-2026-05SGPT
99.52%
Purity by HPLCSPEC ≥ 95.0%
Lot
LL01
Tested
Sep 10, 2026
Labeled
5mg
Measured
5.18mg
ISO 17025 accreditedFentanyl freeFull QC panel
View the signed certificate →
Full QC Panel✓ 6 passed · 2 reported
Appearance
Per certificate
Good
PASS
Identity
HPLC
Confirmed
PASS
Purity
HPLC
99.52%
SPEC ≥ 95.0%
PASS
Net peptide content
HPLC
5.18mg
REPORT ONLY
REPORTED
Sterility
PCR
No growth
No growth
PASS
Endotoxins
USP <85>
0.063EU/mL
REPORT RESULT
REPORTED
Heavy metals
ICP-MS
Not detected
As, Cd, Cr, Hg, Pb
PASS
Fentanyl screen
Per certificate
Not detected
PASS
Every batch on record
Every lot we have published for this compound, grouped by the lab that tested it, newest first. Open any certificate below, exactly as the lab released it.
Side by side
How Disguised compares.
Disguised
Typical supplier
Per-batch third-party COA
Yes
Rarely provided
ISO 17025 lab testing
Yes
Inconsistent
HPLC purity verified
Yes
Often unverified
Sterility tested
Yes
Rarely
Endotoxin tested
Yes
Rarely
Heavy metal tested
Yes
Rarely
Conformity testing
Yes
Not standard
Fentanyl screening
Yes
Not standard
Made & tested in the USA
Yes
Often overseas
Discreet, tracked shipping
Yes
Varies
Technical specifications
Compound Information
Read the LL-37 research guidePeptide storage guideHow to reconstitute peptidesMolecular Profile
What is LL-37?
Molecular FormulaC₂₀₅H₃₄₀N₆₀O₅₃
Molecular Weight4493g/mol
Storage Requirements
Stability information.
Avoid freeze/thaw cyclesProtect from lightRefrigerate after reconstitution
−20°C
Lyophilized powder, as shipped
The most stable form. Store cold and protected from light until it is reconstituted.
2–8°C
After reconstitution
Refrigerate once reconstituted and keep it protected from light.
Peer-reviewed literature
The research behind this compound, cited in full.
Every reference below is a published, peer-reviewed record, linked to its PubMed entry. Provided for educational reference only - not product claims.
01Pharmacological research · 2024Cathelicidin peptide LL-37: A multifunctional peptide involved in heart diseaseMiao S, et al.02Peptides · 2023The LL-37 domain: A clue to cathelicidin immunomodulatory response?Leite ML, et al.03World journal of microbiology & biotechnology · 2023Antibiofilm properties of cathelicidin LL-37: an in-depth reviewMemariani H, et al.04Life (Basel, Switzerland) · 2022Regulation of LL-37 in Bone and Periodontium RegenerationChinipardaz Z, et al.05Biomedicines · 2022Cathelicidin LL-37 in Health and Diseases of the Oral CavityTokajuk J, et al.
Important research notice
Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.
All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.
By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.
Ready when you are
Nothing ships without paperwork. Every lot is on record.
The lot on this page links to the signed certificate for that batch.
1Lot on record
99.52%HPLC purity, latest lot
17025ISO/IEC accredited lab