We report net peptide content, not just purity — so the milligrams you dose aren't padded with water and counter-ion. RP-HPLC purity and ESI-MS identity, on a lot-numbered COA.
Net peptide content, not just purity — RP-HPLC + ESI-MS, lot-numbered COA.
Net peptide content on every lot's COA.
Reading a Peptide HPLC Trace — A 5-Minute Field Guide for Bench Scientists. Read our briefing →
Reading a peptide HPLC trace — a field guide. Read →
On reading HPLC traces. Read →
Contact
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All shipments originate from our Shanghai production facility. International couriers: DHL, FedEx, UPS. DDP shipping available on request.
Response time
Every inquiry is reviewed by a regulatory team member before pricing, we don't auto-quote. Expect a personal first reply within 24 hours.