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Order questions, COA requests, shipping support. Real human customer support by email.
Order questions, COA requests, shipping support. Real human customer support by email.
No. Pure North Peptides ships to Canadian addresses only. Insulated tracked shipping is included on every peptide shipment via Canada Post Xpresspost; most addresses arrive in ~4 days.
Every lot is run on RP-HPLC at synthesis time, again on receipt at our lab, and a third time before any vial leaves our cold room. The 99% number is the most-recent measurement, not the synthesis spec. If the receipt-time number drifts below threshold, the lot does not enter inventory.
Yes. Email purenorthpeptides@proton.me with the SKU and we'll send the lot's Janoshik report (HPLC chromatogram, MS identity, LAL endotoxin) as soon as we can. Historical lot data is also available on request.
For peptides up to 50 residues with standard modifications (PEGylation, fatty-acid attachment, biotin/fluorophore tags), yes. Minimum order is 100 mg synthesized. Lead time is 4–6 weeks including QC.
Every released lot has a retain held under storage spec for five years from release. You can email purenorthpeptides@proton.me with the batch number from your order to request the lot's COA for any past lot we've shipped.