Quingdao Sigma Chemical QSC
Peptide Vendor. Lab-tested. Independently scored.
- 7 HPLC samples across 1 products
- Catalog avg purity 77.0%
- Independent testing, no pay-to-rank
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Catalog & prices
Every peptide and vial size Quingdao Sigma Chemical QSC currently sells. Prices refresh weekly.
We don’t have a current price feed for Quingdao Sigma Chemical QSC yet.
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Lab testing results
Independent results across 1 product.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | AGREAT | 7 | 77.0% | 62.0% – 89.0% | 10/29/2025 | — | — |
Individual lab tests
Date
10/29/2025
Purity
99.8%
Quantity
50mg → 45.300mg
Lab
Lab E
Date
10/17/2025
Purity
99.44%
Quantity
10mg → 10.300mg
Lab
Lab E
Date
10/17/2025
Purity
99.37%
Quantity
10mg → 10.500mg
Lab
Lab E
Date
10/17/2025
Purity
99.95%
Quantity
50mg → 54.800mg
Lab
Lab E
Date
10/3/2025
Purity
99.68%
Quantity
60mg → 60.400mg
Lab
Lab E
Date
9/18/2025
Purity
99.92%
Quantity
40mg → 36.900mg
Lab
Lab E
Date
7/2/2025
Purity
99.11%
Quantity
10mg → 9.760mg
Lab
Lab E
| Product | Date | Score | Purity | Quantity | Lab |
|---|---|---|---|---|---|
| Tirzepatide | 10/29/2025 | 8.4 | 99.8% | 50mg → 45.300mg | Lab E |
| Tirzepatide | 10/17/2025 | 8.9 | 99.44% | 10mg → 10.300mg | Lab E |
| Tirzepatide | 10/17/2025 | 7.0 | 99.37% | 10mg → 10.500mg | Lab E |
| Tirzepatide | 10/17/2025 | 8.6 | 99.95% | 50mg → 54.800mg | Lab E |
| Tirzepatide | 10/3/2025 | 7.5 | 99.68% | 60mg → 60.400mg | Lab E |
| Tirzepatide | 9/18/2025 | 7.2 | 99.92% | 40mg → 36.900mg | Lab E |
| Tirzepatide | 7/2/2025 | 6.2 | 99.11% | 10mg → 9.760mg | Lab E |
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