§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · MAY-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · PP412-26-001✓ Verified · Pass
Oxytocin × Precisely Peptides - Lab Test, May 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.27%
✓ Excellent
Test results
6 data points
Purity
99.27%
Endotoxins
Not tested
Stated qty
5 mg
Tested qty
4.99 mg
Qty match
100% of labeled · +0%
Batch ID
PP412-26-001
Tested by
Vanguard LaboratoryView profile →
◆ Quantity verification
5 mg→4.99 mg+0%
About this test
This independent HPLC lab test confirms Oxytocin 5mg from Precisely Peptides at 99.27% purity. The analysis was conducted by Vanguard Laboratory on May 13, 2026.
Oxytocin is a neuropeptide and hormone researched for its role in social bonding, trust, reproduction, and maternal behavior. A purity level of 99.27% indicates minimal contamination and high-grade synthesis.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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