Copper Peptides
Explore research peptides with lot-specific independent laboratory reports. Check identity, purity, measured net content and the tests recorded on each certificate before you order. Research peptides with lot-specific laboratory reports. Check the certificate, specification and purchasing terms before you order.
Confirmed identity
LC-MS mass match on every lot
≥ 99% pure
See the tests on each lot’s COA
Free 2-day shipping
Every order · FedEx tracked · continental US
Purity, identity, impurities, moisture, endotoxin and more, across two labs' certificates before each batch is released.
Every lot is re-tested on arrival by an independent, ISO/IEC 17025-accredited US laboratory.
Read the original Certificate of Analysis for your lot and match it to the number on your vial.
Every vial links to a production batch number and its matching third-party lab report.
Orders before 5pm ET ship the same business day, free via FedEx 2-Day from our California facility.
If a vial arrives damaged or never arrives, we reship or refund it. Nothing to send back.
Browse the research catalog, review each product specification and match the material to its independent laboratory report.
Free account: 10% off your first order Up to 25% off 2+ vials Free Reconstitution Solution Free 2-day shipping
Most vendors publish the purity number their own supplier gave them. Every row below is measured by an independent lab before the lot is cleared to ship.
Our US-based partner lab, an ISO/IEC 17025-accredited facility, runs identity, purity, net content and endotoxin assays on every batch. It is a second, independent pass over the manufacturer’s own results, and if the two disagree the lot never reaches the catalog.
What the testing covers, what the certificate shows, and how the material ships. Short answers here; the full FAQ goes further.
Compare lot traceability, laboratory reports and purchasing terms with our research peptide supplier checklist. Review why we test twice and open the certificate lookup to check the evidence.