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✓ Purity · passShop-provided sample

PT-141 × Double R Labs — lab test, July 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
99.701%
✓ Excellent purity only
Counts toward Double R Labs's Trust Score until 13 Jul 2028
PeptidePT-141
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Independent verification available

Kovera Labs 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.

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Test results

9 data points
Purity
99.701%
Endotoxins
<0.5 EU/mL
Sterility
Not on file
Heavy metals
Arsenic, Cadmium, Lead, Mercury all Negative
Stated qty
10 mg
Tested qty
10.09 mg
Qty match
101% of labeled · +1%
Batch / Lot
DRL-07-PT10
COA number
KVR-2026-4AD8E5
Container
Green Cap / Silver Crimp
Tested by
Kovera LabsView profile →

Not on file for this certificate: sterility. A purity figure says nothing about that.

About this test

What’s in the vial

Label 10 mg · Lab measured 10.09 mg

101% 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 — 1% 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 Double R Labs, performed by Kovera Labs on July 13, 2026. Reported purity: 99.701%. Net content: 10.09 mg against 10 mg labeled (101% of label). Endotoxins: <0.5 EU/mL. Heavy metals: Arsenic, Cadmium, Lead, Mercury all Negative. Batch DRL-07-PT10. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Kovera Labs · Jul 13, 2026 · Batch DRL-07-PT10

Related lab tests

8 tests

The 271 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.70%.

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