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Purity · passShop-provided sample

PEG MGF × RUO — Lab Test, February 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
99.223%
Excellent purity only
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Test results

5 data points
Purity
99.223%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
1 mg
Tested qty
1.48 mg
Qty match
148% of labeled · +48%
0label125%
Batch / Lot
N/A
Tested by
Janoshik 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 PEG-MGF from ruo.bio, performed by Janoshik Labs on February 13, 2026. Reported purity: 99.223%. Net content: 1.48 mg against 1 mg labeled (148% of label). Tested content exceeds the labeled amount by 48%. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for PEG-MGF 1mg from RUO showing 99.223% purity
Issued by Janoshik Labs · Feb 13, 2026 · Batch N/A

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The 21 other PEG MGF tests on Peptigrity range from 98.00% to 99.90%. This one sits at 99.22%.

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