✓ Purity · passBatch · C73759Shop-provided sample
Thymosin-Alpha 1 (A1) × corepeptides.com — Lab Test, May 2026
Tested · submitted by @Antoine 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.72%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA V260309-14 092 matches Vanguard Laboratory's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
V260309-14 092Look it up on Vanguard Laboratory ↗Checked May 5, 2026
Test results
6 data points
Purity
99.72%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10 mg
Qty match
100% of labeled · +0%
0label125%
Batch / Lot
C73759
COA number
V260309-14 092
Tested by
Vanguard LaboratoryView profile →
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of Thymosin-Alpha 1 (A1) from corepeptides.com, performed by Vanguard Laboratory on May 5, 2026. Reported purity: 99.72%. Net content: 10 mg against 10 mg labeled (100% of label). Batch C73759. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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