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Certificate record

PT-141, lot 28-01260229

MZ Biolabs assayed lot 28-01260229 of PT-141 from Ascension Peptides at 99.47% purity on 10 Feb 2026, reporting 8.15 mg against a 10 mg label, 18.5% below the labelled mass.

Assayed 10 Feb 2026 · MZ Biolabs · Ascension Peptides · record id coa-ascensionpeptides-28-01260229

What the certificate reports

CompoundPT-141
Lot identifier28-01260229
Purity99.47%
Labelled mass10 mg
Assayed mass8.15 mg
Difference18.5% below the label
Assay date10 Feb 2026
Testing laboratoryMZ Biolabs
Who commissioned itPublished by the vendor. Scored as a claim, not as corroboration — only an independently commissioned assay counts as verified.
Source documenthttps://ascensionpeptides.com/wp-content/uploads/2026/02/COA_PT-141_quant_28-01260229_20260214.pdf

Check it yourself

MZ Biolabs does not publish a public lookup we have been able to find, so this certificate can be read but not independently re-pulled from the laboratory. The document above is the copy the vendor published. Where a laboratory does offer a lookup, we say so and link it.

A certificate describes the sample it names and nothing else. It is not a statement about any other lot, and it is not an endorsement of the vendor or of any use of the material.

Other lots from Ascension Peptides

PT-141 from other vendors