Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 99.3% met the stated ≥99.5% claim. Content measured 97.9% of label.
- Identity verified
- Yes
- Measured purity
- 99.3%
- Content accuracy
- 98%
- Test recency
- Older result
Mass spectrometry confirmed the labelled compound
Label claimed ≥99.5%
4.9mg measured against 5mg claimed
Published 19 months ago
Specimen PI-LAB-2025-149 Tested by Redpoint Laboratories 14 samples tested from this company Purity & Testing score 98/100
Full laboratory evidence Findings table, methodology, chain of custody and the original report
Findings
| Metric | Label claim | Measured | Assessment |
|---|---|---|---|
| Purity (HPLC) | ≥ 99.5% | 99.3% | Within analytical tolerance |
| Identity (MS) | PT-141 | Confirmed | Matches label |
| Content | 5 mg | 4.9 mg | Within 5% of label |
Methodology & chain of custody
HPLC-UV purity, ESI-MS identity, and Karl Fischer water content.
The sample was purchased anonymously through standard retail checkout and shipped to an unaffiliated address, then logged, photographed, and forwarded under chain-of-custody documentation to Redpoint Laboratories. See our full testing methodology.
- Lot / batch
- D4440-25
- Purchased
- Analysed
- Published
- Laboratory
- Redpoint Laboratories
- Test type
- Purity & identity
Original laboratory report: PI-LAB-2025-149-report.pdf