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✓ Purity · passShop-provided sample

TB-500 × Felix Chemical Supply — Lab Test, October 2025

Lot100125-TB5-Alook this batch up across every shop →
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
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
98.81%
✓ Excellent purity only
PeptideTB-500
Brandfelixchem.is
Labfreedomdiagnosticstesting.com
↓ Download COA
Independent verification available

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Test results

7 data points
Purity
98.81%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
9.8 mg
Qty match
98% of labeled · -2%
Batch / Lot
100125-TB5-A
Container
White Lyophilized Powder
Tested by
freedomdiagnosticstesting.comView 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

What’s in the vial

Label 10 mg · Lab measured 9.8 mg

98% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.5 mg using the measured mass, against 2.5 mg on the label — 2% less.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of TB-500 from felixchem.is, performed by freedomdiagnosticstesting.com on October 6, 2025. Reported purity: 98.81%. Net content: 9.8 mg against 10 mg labeled (98% of label). Batch 100125-TB5-A. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC-MS certificate of analysis for TB-500 10mg from Felix Chemical Supply showing 98.81% purity
↗ View full-size↓ Download COA
Issued by freedomdiagnosticstesting.com · Oct 06, 2025 · Batch 100125-TB5-A

Other lots of TB-500 from felixchem.is

LotTestedLabPurityvs labelStatus
010226-TB5-05 Jan 2026freedomdiagnosticstesting.com99.309%119%Unverified
122925-TB5-031 Dec 2025freedomdiagnosticstesting.com99.57%102%Unverified
121525-TB5-A23 Dec 2025freedomdiagnosticstesting.com99.451%101%Unverified
092525-TB5-A1 Oct 2025freedomdiagnosticstesting.com99.868%91%Unverified
81825-TB5-A20 Aug 2025Chromate98.706%107%Unverified
071725-TB5-A30 Jul 2025Chromate99.182%107%Unverified
061725-TB5-C8 Jul 2025Chromate98.869%107%Unverified
040825-TB10-A12 Apr 2025Chromate97.727%92%Unverified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 417 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 98.81%.

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