✓ Purity · passBatch · #GN45UShop-provided sample
TB-500 × researchchemhq.co — Lab Test, April 2026
Tested · submitted by @Frank 👑 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
99.861%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA KVR-2026-1E1358 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
TIAQQT7ALook it up on Kovera Labs ↗Checked Apr 26, 2026
Test results
8 data points
Purity
99.861%
Endotoxins
PASS
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.61 mg
Qty match
106% of labeled · +6%
0label125%
Batch / Lot
#GN45U
COA number
KVR-2026-1E1358
Container
Red Cap / Silver Crimp / Lyophilized Powder
Tested by
Kovera LabsView 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 TB-500 (Thymosin B4) from researchchemhq.co, performed by Kovera Labs on April 26, 2026. Reported purity: 99.861%. Net content: 10.61 mg against 10 mg labeled (106% of label). Endotoxins: PASS. Batch #GN45U. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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