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✓ Purity · passShop-provided sample

PT-141 × Offline Peptides — lab test, August 2026

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Tested · submitted by @offlinepeptides 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.9%
✓ Excellent purity only
Counts toward Offline Peptides's Trust Score until 21 Aug 2028
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Independent verification available

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Test results

6 data points
Purity
99.9%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.3 mg
Qty match
113% of labeled · +13%
Batch / Lot
OP-P41-0826
COA number
211607
Tested by
Krause AnalyticalView profile →

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 10 mg · Lab measured 11.3 mg

113% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.8 mg using the measured mass, against 2.5 mg on the label — 13% more.

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 PT-141 from Offline Peptides, performed by Krause Analytical on August 21, 2026. Reported purity: 99.9%. Net content: 11.3 mg against 10 mg labeled (113% of label). Tested content exceeds the labeled amount by 13%. Batch OP-P41-0826. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Krause Analytical · Aug 21, 2026 · Batch OP-P41-0826

Other lots of PT-141 from Offline Peptides

LotTestedLabPurityvs labelStatus
OP-P41-042623 Apr 2026Freedom Diagnostics99.88%100%✓ Lab-verified

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 283 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.90%.

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