Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Xian Yihang Technology.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 28 | 99.22% | Jun 21, 2026 |
| Retatrutide | 21 | 99.6% | Apr 22, 2026 |
| GHK-Cu | 7 | 99.93% | Mar 5, 2026 |
| Tesamorelin | 7 | 99.32% | Mar 1, 2026 |
| BPC-157 | 5 | 99.79% | Jun 23, 2026 |
| TB-500 | 4 | 98.69% | Mar 9, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| BPC-157 | 1222730144 | 99.6% | Finnrick Lab E | Jun 23, 2026 | verify |
| Tirzepatide | 123027144 | 99.9% | Lab E | Jun 21, 2026 | verify |
| Tirzepatide | -- | 99.8% | Lab G | Jun 7, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | May 31, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | May 31, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Retatrutide | -- | 98.7% | Lab E | Apr 22, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Apr 22, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | Apr 1, 2026 | verify |
| TB-500 | -- | 99.9% | Lab E | Mar 9, 2026 | verify |
| BPC-157 | -- | 99.9% | Lab E | Mar 9, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab G | Mar 6, 2026 | verify |
| Tirzepatide | -- | 84.2% | Lab E | Mar 5, 2026 | verify |
| GHK-Cu | -- | -- | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 99.7% | Lab G | Mar 4, 2026 | verify |
| Retatrutide | -- | 99.4% | Lab G | Mar 3, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 2, 2026 | verify |
| Retatrutide | -- | 99.29% | Lab E | Mar 2, 2026 | verify |
| Tesamorelin | -- | 99.9% | Lab E | Mar 1, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 1, 2026 | verify |
| TB-500 | -- | 99.6% | Lab G | Feb 28, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Feb 25, 2026 | verify |
Showing 25 most recent of 72. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/xian-yihang-technology/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/xian-yihang-technology.svg" alt="Xian Yihang Technology: lab tested, 72 CoAs on file at ASCEND Peptide" width="230" height="54"> </a>
Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.