Aggregate Data
Third-party COA results: 99.67% average purity across 200 public lots
Computed directly from every public certificate in the archive. Each percentage is the HPLC purity as published on that certificate — no lots excluded.
Public COAs
200
Mean purity
99.67%
Median
99.74%
Share ≥99%
99%
Purity by reporting window
| Period | COAs | Mean | Median | Min | Max | Share ≥99% |
|---|---|---|---|---|---|---|
| Last 180 days | 162 | 99.71% | 99.77% | 99.00% | 99.98% | 100% |
| Last 120 days | 135 | 99.72% | 99.78% | 99.00% | 99.98% | 100% |
| Last 90 days | 94 | 99.70% | 99.74% | 99.09% | 99.97% | 100% |
| Last 30 days | 33 | 99.71% | 99.73% | 99.10% | 99.97% | 100% |
| All time | 200 | 99.67% | 99.74% | 98.79% | 99.98% | 99% |
Endotoxin, net peptide content, and other assays are reported on each individual certificate but are not averaged into the purity figures above.
How to verify a result yourself
- Open the batch in the COA library and compare the lot on your vial to the lot on the certificate.
- Copy the search code from the certificate — it is the prefix
Omnifollowed by the accession number. - Use the code in this site's COA Library to locate the matching published record.