Publish the measurement
Every lot has a certificate in a public library before it is listed for sale. If a lot has no certificate, it is not on the site.
Company
A supplier that publishes its data
Pure Labs was set up because buying research peptides in Canada meant trusting a label. We took the opposite position: publish the measurement, print the lot on the vial, and let the buyer check.
Two methods, not one
Purity by reverse-phase HPLC, identity by mass spectrometry. A single number from a single method is not enough to release a lot.
No guidance, by policy
We describe compounds in technical terms only: CAS, formula, molecular weight, purity, form, storage. We do not discuss administration or intended effects.
One payment method, done properly
Interac e-Transfer, reviewed and matched by a person. Slower than a card, and far clearer about who we are and what we sell.
How a lot reaches you
Nothing is repackaged after testing and nothing is pooled between lots. The chain below is the same for every compound in the catalog.
- Sourced against specification Purchase order states sequence, purity floor and form. Nothing is accepted on a supplier certificate alone.
- Independent assay on arrival Sample sent to an accredited third-party lab. HPLC and mass spectrometry run on the incoming lot.
- Released or rejected A lot below the stated purity floor is rejected outright. It is not relabelled or sold at a discount.
- Labelled with its own lot Vials are labelled with the lot string that appears on the certificate, then sealed.
- Dispatched from Ontario Tracked, discreet outer packaging, no contents listed. Certificates emailed with the tracking number.
Check any lot before you buy
The full certificate library is public. No account required.