Doverin LabsSend a sample

Certificates · Reset Peptides

COA — LL-37 5 mg

Results as reported for lot DOVN-2603-0029, issued to Reset Peptides. Verify it at /verify with search code DVN26030029.

Doverin Labs

Analytical testing for peptide products

Certificate of Analysis

doverinlabs.com

[email protected]

Client:Reset Peptides
Accession #:26030029
Search Code:DVN26030029
Received:03/30/2026
Reported:04/01/2026
Lot:DOVN-2603-0029

Sample Summary

Product:LL-37 - 5 mg
Purity:99.44%
Identity:Confirmed
Net Content:5.30 mg
Molecular Formula:C205H340N60O53
Molecular Weight:4493 g/mol
Appearance:White Lyophilized Powder
Chemical reference:PubChem CID 16198951

Analytical Results

TestResult
Identity (LC-MS)LL-37
Purity (RP-HPLC-UV, area %)99.44%
Net Content5.30 mg

Method: purity by reversed-phase HPLC with UV detection, reported as peak area percent; identity by liquid chromatography–mass spectrometry (LC-MS) on the same sample. Full chromatographic conditions are held on file and issued on request against this search code.

Chromatogram

a.u.RP-HPLC-UV05001000150020000.02.55.07.510.012.515.0minLL-37 · 9.244

Mass Confirmation

LC-MS (ESI+)9001100130015001700190021002300m/z[M+4H]4⁺1124.257[M+3H]3⁺1498.674[M+2H]2⁺2247.507
Charge statem/z (observed)
[M+4H]4⁺1124.257
[M+3H]3⁺1498.674
[M+2H]2⁺2247.507

Charge states are assigned by matching each observed m/z against the declared molecular weight; every peak in this acquisition matches within 0.06 u.

Signature of Frederick Johnson

Frederick Johnson

Head of analytical chemistry

Scan to verify

doverinlabs.com/verify

DVN26030029

doverinlabs.com

[email protected]

Cambridge, United Kingdom