Batch report · Janoshik Analytical
Retatrutide 20mg Pen COA — RET-20-C-2604-001
ProPeptide Retatrutide 20mg Pen
ProPeptide Retatrutide 20mg Pen, batch RET-20-C-2604-001. On the Janoshik Analytical reports, testing was ordered on 22 April 2026, the sample was received on 22 April 2026 and analysis was conducted on 23 April 2026.
Janoshik issued one report:
- HPLC purity & concentration 99.841% · 22.51 mg/mL task 150762 · 23 Apr 2026
Each report has its own verification key, listed below with a link to the laboratory’s copy.
For in-vitro laboratory research only. Not for human or veterinary use.
Batch facts
- Product
- ProPeptide Retatrutide Pen 20mg (exact format)
- Batch
- RET-20-C-2604-001
- Sample (as printed)
- Retatrutide 20mg
- Manufacturer / brand
- ProPeptide
- Strength / format
- 20mg pen cartridge
- Laboratory
- Janoshik Analytical (opens in a new tab)
- Testing ordered
- 22 April 2026
- Sample received
- 22 April 2026
- Analysed
- 23 April 2026
- Reports
- 1
Verify each report
One row per Janoshik report. “Verify on Janoshik” opens the laboratory’s own copy for that task and key; the key can also be entered at janoshik.com/verification (opens janoshik.com in a new tab).
| Test | Result | Analysed | Task | Verification key | Laboratory copy | |
|---|---|---|---|---|---|---|
| HPLC purity & concentrationRequested as: Common GLP-1 peptide blind test (Semaglutide, Tirzepatide and Retatrutide) - for the cartridge | 99.841% · 22.51 mg/mL | 23 Apr 2026 | #150762 | Verify on Janoshik — HPLC purity & concentration, task 150762 (opens janoshik.com in a new tab) |  |
Report comments
Printed in the “Comments” field of the report, quoted as written.
- Task #150762 · HPLC purity & concentration
The peak with lambda max 200, 210 and 230 nm and the peak corresponding to the benzyl alcohol were not counted among impurities. Sample was tested twice.
Report scans
The report images as published for this batch, shown uncropped. Select a scan to open it at full size.
- HPLC purity & concentrationTask #150762 · analysed 23 Apr 2026Open full-size scan