10% off your first order
Every lot ships with a public COA
Order by 2pm ET on weekdays, ships the same day
Save up to 20% with volume pricing
Code
10% off your first order
Every lot ships with a public COA
Order by 2pm ET on weekdays, ships the same day
Save up to 20% with volume pricing
Lab testing
Before a lot is listed, samples go to an independent, accredited laboratory. Here's what gets measured, how it's measured, and where to read the results.
ISO/IEC 17025 accredited lab
The same panel runs on every lot. Each tab explains one line of the certificate.
Certificates are free and public
The process
The same four steps for every lot, before anything is listed for sale.
Each production lot is sampled, and every sample is labeled with its lot number.
Samples go to an ISO/IEC 17025 accredited laboratory, which runs the full seven-check panel.
We compare the results with our listing standard. Lots below 99% purity are not sold.
The certificate is published and linked to the lot number printed on every vial.
Look up a lotEnter the lot number printed on your vial to open its full report.
Independently tested · every lot
Look up the certificate for any lot number in seconds: purity, identity and lab details, all on record.
Browse the catalogOne short email when a compound lands or a fresh lot is tested. For researchers and labs; unsubscribe anytime.
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The sample is separated on a reversed-phase column; the main peak's share of the total area is the purity figure.
Why it matters: Lots below 99% are not listed, so every figure you see has already cleared that bar.
An independent laboratory accredited to ISO/IEC 17025, the international standard for testing and calibration labs. The lab is named on each certificate.
Every lot. A lot is only listed for sale once its certificate is complete.
Purity describes the peptide relative to related impurities. Net peptide content describes how much of the powder is peptide at all; the rest is counter-ions and moisture. Both are normal and reported separately.
Yes. Past lots stay searchable in the certificate lookup by their lot number.
