Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Qingdao Sigma Chemical QSC.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 17 | 99.13% | Jul 12, 2026 |
| Tirzepatide | 17 | 99.75% | Jun 7, 2026 |
| GHK-Cu | 6 | 99.73% | Aug 27, 2026 |
| CJC-1295 No DAC | 2 | 99.75% | May 19, 2026 |
| CJC-1295 | 2 | 96.04% | Oct 20, 2025 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| GHK-Cu | 11954475 | 99.7% | Lab G | Aug 27, 2026 | verify |
| GHK-Cu | Cu50 wht cap 042026 qsc | 99.9% | Lab E | Jul 22, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jul 12, 2026 | verify |
| Tirzepatide | qsc -0216 | 99.9% | Lab G | Jun 7, 2026 | verify |
| Tirzepatide | YSD-119/YSD-TR50 | 99.5% | Lab E | May 26, 2026 | verify |
| CJC-1295 No DAC | n/a | 99.9% | Lab E | May 19, 2026 | verify |
| GHK-Cu | n/a | 99.3% | Lab E | May 12, 2026 | verify |
| Tirzepatide | 258008 | 99.9% | Lab E | May 4, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Mar 24, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Mar 24, 2026 | verify |
| Tirzepatide | YSD-122 | 99.9% | Lab G | Mar 24, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 17, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 9, 2026 | verify |
| Tirzepatide | Tr30-1 | 99.9% | Lab E | Mar 9, 2026 | verify |
| GHK-Cu | n/a | 99.9% | Lab E | Mar 9, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 9, 2026 | verify |
| GHK-Cu | n/a | 99.6% | Lab G | Mar 3, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 3, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 2, 2026 | verify |
| Retatrutide | n/a | 99.28% | Lab E | Feb 21, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | 25Nov-SS80 | 99.87% | Lab E | Feb 19, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Feb 10, 2026 | verify |
| Retatrutide | YSD-102 | 99.8% | Lab G | Jan 25, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab E | Jan 25, 2026 | verify |
Showing 25 most recent of 44. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/qingdao-sigma-chemical-qsc/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/qingdao-sigma-chemical-qsc.svg" alt="Qingdao Sigma Chemical QSC: lab tested, 44 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.