Independent testing verdict Pass
This product matched its label.
Identity confirmed and measured purity of 97.7% met the stated ≥98% claim. Content measured 97.3% of label.
- Identity verified
- Yes
- Measured purity
- 97.7%
- Content accuracy
- 97.3%
- Test recency
- Current cycle
Mass spectrometry confirmed the labelled compound
Label claimed ≥98%
9.73mg measured against 10mg claimed
Published 12 months ago
Specimen PI-LAB-2025-102 Tested by Axiom Mass Spec Services 12 samples tested from this company Purity & Testing score 89/100
Full laboratory evidence Findings table, methodology, chain of custody and the original report
Findings
| Metric | Label claim | Measured | Assessment |
|---|---|---|---|
| Purity (HPLC) | ≥ 98% | 97.7% | Within analytical tolerance |
| Identity (MS) | Oxytocin | Confirmed | Matches label |
| Content | 10 mg | 9.73 mg | Within 5% of label |
Methodology & chain of custody
Reversed-phase HPLC purity analysis with UV detection at 214nm.
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 Axiom Mass Spec Services. See our full testing methodology.
- Lot / batch
- D1497-25
- Purchased
- Analysed
- Published
- Laboratory
- Axiom Mass Spec Services
- Test type
- Purity, identity & content
Original laboratory report: PI-LAB-2025-102-report.pdf