Nantong Guangyuan Chemical GYC: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Nantong Guangyuan Chemical GYC.
49
CoAs on file
99.77%
Avg reported purity
4
Compounds tested
Jul 17, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 23 | 99.77% | Mar 25, 2026 |
| Retatrutide | 19 | 99.85% | Jul 13, 2026 |
| Cagrilintide | 4 | 99.78% | Jul 17, 2026 |
| Semaglutide | 3 | 99.2% | Dec 5, 2025 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Cagrilintide | 2026031310 | 99.9% | Lab E | Jul 17, 2026 | verify |
| Retatrutide | 2026031260 | 99.9% | Lab E | Jul 13, 2026 | verify |
| Tirzepatide | G2025011060 Black Cap | 99.9% | Lab G | Mar 25, 2026 | verify |
| Retatrutide | 2025091250 | 99.9% | Lab E | Mar 18, 2026 | verify |
| Tirzepatide | n/a | 99.6% | Lab E | Mar 3, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | 2025121030 | 99.8% | Lab G | Mar 1, 2026 | verify |
| Tirzepatide | 2025121030 | 99.02% | Lab E | Feb 26, 2026 | verify |
| Retatrutide | 1210 (2025121210) | 99.9% | Lab E | Feb 16, 2026 | verify |
| Retatrutide | 2025091260 | 99.88% | Lab E | Feb 11, 2026 | verify |
| Tirzepatide | 2025111060 | 99.9% | Lab G | Feb 10, 2026 | verify |
| Retatrutide | 2025111060 | 99.8% | Lab G | Feb 4, 2026 | verify |
| Tirzepatide | 2025121020 | 99.8% | Lab G | Jan 26, 2026 | verify |
| Retatrutide | 2025121210 | 99.7% | Lab G | Jan 26, 2026 | verify |
| Retatrutide | n/a | 99.9% | Lab E | Jan 26, 2026 | verify |
| Retatrutide | n/a | 99.8% | Lab G | Jan 26, 2026 | verify |
| Retatrutide | 2025101220 | 99.9% | Lab E | Jan 26, 2026 | verify |
| Retatrutide | n/a | 99.7% | Lab E | Jan 26, 2026 | verify |
| Tirzepatide | n/a | 99.8% | Lab G | Jan 26, 2026 | verify |
| Retatrutide | 202501230 | 99.8% | Lab G | Jan 15, 2026 | verify |
| Retatrutide | 2025101220 | 99.9% | Lab G | Jan 15, 2026 | verify |
| Tirzepatide | 2025101040 | 99.95% | Lab E | Jan 9, 2026 | verify |
| Tirzepatide | n/a | 99.7% | Lab G | Jan 7, 2026 | verify |
| Tirzepatide | n/a | 99.9% | Lab G | Jan 7, 2026 | verify |
| Semaglutide | G20250473 | 98.5% | Lab G | Dec 5, 2025 | verify |
Showing 25 most recent of 49. Search the full database on the CoA page.
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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.