YK-11 COA — Verified Certificate of Analysis Results
10 independent third-party certificates of analysis for YK-11, from 2 labs across 9 vendors (2020-06-16 to 2026-07-29).
Every YK-11 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 10 published YK-11 certs in our corpus.
Assay metrics
YK-11 lab-testing metrics
98.7%
Median tested purity
0
Zero-purity certs
Mean purity98.7%
Mean dose vs label+5.5%
Within 10% of label dose75%
Overdosed ≥ +7%38%
Underdosed ≤ −7%12%
COAs per testing lab
Every lab testing YK-11 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% | 0 |
| 98–99% | 1 |
| 99–100% | 1 |
COAs over time
YK-11 certificates published per month.
| Month | Certificates |
|---|---|
| 2020-06 | 1 |
| 2020-11 | 1 |
| 2022-09 | 1 |
| 2023-05 | 1 |
| 2024-07 | 1 |
| 2024-08 | 1 |
| 2025-01 | 2 |
| 2025-10 | 1 |
| 2026-07 | 1 |
Most-tested vendors
Vendors by YK-11 certificate count.
See who tests most — unlock the vendor names with Pro.
Verified YK-11 certificates of analysis
10 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every YK-11 result.
Sign in to viewIllustrative structure only. No record-level values are present in this preview.