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PT-141 × Precisely Peptides — lab test, April 2026

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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
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
99.35%
✓ Excellent purity only
Counts toward Precisely Peptides's Trust Score until 24 Apr 2028
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Independent verification available

Vanguard Laboratory publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

This certificate carries no lookup code.

Test results

6 data points
Purity
99.35%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
12.46 mg
Qty match
125% of labeled · +25%
Batch / Lot
PP412-26-001
Tested by
Vanguard LaboratoryView 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 12.46 mg

125% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 3.1 mg using the measured mass, against 2.5 mg on the label — 25% 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 Precisely Peptides, performed by Vanguard Laboratory on April 24, 2026. Reported purity: 99.35%. Net content: 12.46 mg against 10 mg labeled (125% of label). Tested content exceeds the labeled amount by 25%. Batch PP412-26-001. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Vanguard Laboratory · Apr 24, 2026 · Batch PP412-26-001

Other lots of PT-141 from Precisely Peptides

LotTestedLabPurityvs labelStatus
PP412-26-00123 Apr 2026Vanguard Laboratory99.8%99%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 271 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.35%.

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