HomeLab Tests OROS Research, TB-500
Purity · passBatch · 1356233Shop-provided sample

TB-500 × OROS Research — Lab Test, January 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
98.141%
Excellent purity only
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Test results

7 data points
Purity
98.141%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
9.94 mg
Qty match
99% of labeled · -1%
0label125%
Batch / Lot
1356233
Container
White Lyophilized Powder
Tested by

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 Beta-4 from OROS Research, performed by freedomdiagnosticstesting.com on January 12, 2026. Reported purity: 98.141%. Net content: 9.94 mg against 10 mg labeled (99% of label). Batch 1356233. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC-MS certificate of analysis for Thymosin Beta-4 10mg to 9.94mg from OROS Research showing 98.141% purity
Issued by freedomdiagnosticstesting.com · Jan 12, 2026 · Batch 1356233

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The 341 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 98.14%.

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