Qingdao Sigma Chemical QSC: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Qingdao Sigma Chemical QSC.
39
CoAs on file
99.29%
Avg reported purity
4
Compounds tested
Jun 7, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 17 | 99.75% | Jun 7, 2026 |
| Retatrutide | 14 | 99.02% | |
| CJC-1295 | 4 | 97.89% | May 19, 2026 |
| GHK-Cu | 4 | 99.69% |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Tirzepatide | n/a | 99.9% | Lab G | Jun 7, 2026 | verify |
| CJC-1295 | n/a | 99.9% | Lab E | May 19, 2026 | verify |
| Tirzepatide | 258008 | 99.9% | Lab E | May 4, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | verify | |
| Tirzepatide | n/a | 99.11% | Lab E | verify | |
| Retatrutide | n/a | 94.62% | Lab E | verify | |
| Retatrutide | n/a | 99.48% | Lab E | verify | |
| Tirzepatide | n/a | 99.8% | Lab E | verify | |
| Retatrutide | n/a | 99.28% | Lab E | verify | |
| Tirzepatide | n/a | 99.95% | Lab E | verify | |
| Tirzepatide | n/a | 99.44% | Lab E | verify | |
| CJC-1295 | n/a | 99.6% | Lab G | verify | |
| GHK-Cu | n/a | 99.95% | Lab E | verify | |
| Retatrutide | n/a | 99.8% | Lab G | verify | |
| Retatrutide | n/a | 99.8% | Lab G | verify | |
| GHK-Cu | n/a | 99.3% | Lab E | verify | |
| CJC-1295 | n/a | 93.9% | Lab E | verify | |
| Tirzepatide | n/a | 99.9% | Lab E | verify | |
| Tirzepatide | n/a | 99.5% | Lab E | verify | |
| GHK-Cu | n/a | 99.6% | Lab G | verify | |
| Retatrutide | n/a | 99.9% | Lab E | verify | |
| Retatrutide | n/a | 99.6% | Lab G | verify | |
| Tirzepatide | n/a | 99.8% | Lab G | verify | |
| Retatrutide | n/a | 95.99% | Lab E | verify | |
| Tirzepatide | n/a | 99.9% | Lab E | verify |
Showing 25 most recent of 39. 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, 39 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.