Pe 22-28 COA — Verified Certificate of Analysis Results
59 independent third-party certificates of analysis for Pe 22-28, from 3 labs across 42 vendors (2024-06-24 to 2026-08-08).
Every Pe 22-28 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 59 published Pe 22-28 certs in our corpus.
Assay metrics
Pe 22-28 lab-testing metrics
99.7%
Median tested purity
0
Zero-purity certs
Mean purity99.7%
Mean dose vs label+5.0%
Endotoxin pass100%
Within 10% of label dose62%
Overdosed ≥ +7%38%
Underdosed ≤ −7%10%
COAs per testing lab
Every lab testing Pe 22-28 in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 0 |
| 50–70% | 0 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 0 |
| 90–91% | 0 |
| 91–92% | 0 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 0 |
| 95–96% | 0 |
| 96–97% | 0 |
| 97–98% | 1 |
| 98–99% | 0 |
| 99–100% | 57 |
COAs over time
Pe 22-28 certificates published per month.
| Month | Certificates |
|---|---|
| 2024-06 | 1 |
| 2024-09 | 1 |
| 2025-02 | 1 |
| 2025-03 | 1 |
| 2025-05 | 1 |
| 2025-08 | 1 |
| 2025-09 | 1 |
| 2025-10 | 3 |
| 2025-12 | 2 |
| 2026-01 | 16 |
| 2026-02 | 3 |
| 2026-03 | 1 |
| 2026-04 | 1 |
| 2026-05 | 4 |
| 2026-06 | 9 |
| 2026-07 | 9 |
| 2026-08 | 4 |
Most-tested vendors
Top 10 of 15 vendors by Pe 22-28 certificate count.
See who tests most — unlock the vendor names with Pro.
+ 5 more vendors with fewer certificates.
Verified Pe 22-28 certificates of analysis
59 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every Pe 22-28 result.
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