Doverin Labs
Analytical testing for peptide products
| Client: | Reset Peptides |
|---|---|
| Accession #: | 26020015 |
| Search Code: | DVN26020015 |
| Received: | 02/16/2026 |
| Reported: | 02/18/2026 |
| Lot: | DOVN-2602-0015 |
Sample Summary
Product:Tirzepatide - 10 mg
Purity:99.81%
Identity:Confirmed
Net Content:11.54 mg
Molecular Formula:C225H348N48O68
Molecular Weight:4813.53 g/mol
Appearance:White Lyophilized Powder
Chemical reference:PubChem CID 156588324 / supplied COA
Analytical Results
| Test | Result |
|---|---|
| Identity (LC-MS) | Tirzepatide |
| Purity (RP-HPLC-UV, area %) | 99.81% |
| Net Content | 11.54 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
Mass Confirmation
| Charge state | m/z (observed) |
|---|---|
| [M+4H]4⁺ | 1204.390 |
| [M+3H]3⁺ | 1605.517 |
| [M+2H]2⁺ | 2407.772 |
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.

Frederick Johnson
Head of analytical chemistry
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DVN26020015