HomeLab Tests americanpeptides.us, P21 (P021)
Purity · passBatch · P21-5-0318Shop-provided sample

P21 (P021) × americanpeptides.us — 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
99.6%
Excellent purity only
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Independent verification available

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Test results

8 data points
Purity
99.6%
Endotoxins
≤0.05 EU/mL
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.42 mg
Qty match
108% of labeled · +8%
0label125%
Batch / Lot
P21-5-0318
COA number
COA3388
Container
White lyophilized powder
Tested by
BioviridianView 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 P-21 from americanpeptides.us, performed by Bioviridian on April 3, 2026. Reported purity: 99.6%. Net content: 5.42 mg against 5 mg labeled (108% of label). Endotoxins: ≤0.05 EU/mL. Batch P21-5-0318. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Certificate of analysis for P-21 from americanpeptides.us, issued by Bioviridian
Issued by Bioviridian · Apr 03, 2026 · Batch P21-5-0318

Related lab tests

8 tests

The 5 other P21 (P021) tests on Peptigrity range from 99.00% to 99.80%. This one sits at 99.60%.

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