Certificate of Analysis Library
Verify your exact vial
Every production run is tested independently, and the certificate for that run is published here. Find the lot number printed on your vial to pull up the analysis for what's in your hand — not a generic sample.
New to certificates? How to read a peptide COA, section by section, on one of our own lots.
Lot ET50001Currently shipping50mgTested Aug 202699.89% HPLC
Lot BC10001Currently shipping10mgTested Aug 202699.32% HPLC
Lot BB200001Currently shipping10mg+10mgTested Aug 202699.33% HPLC
Lot CP100001Currently shipping5mg+5mgTested Aug 202699.22% HPLC
Lot NJ1001Currently shipping1000mgTested Aug 202699.94% HPLC
Lot KPV001Currently shipping10mgTested Aug 202699.16% HPLC
Lot TZ20001Currently shipping20mgTested Aug 202699.76% HPLC
Lot IP100003Currently shipping10mgTested Aug 202699.47% HPLC
Lot DS100001Currently shipping10mgTested Aug 202699.16% HPLC
Lot OT5001Currently shipping5mgTested Aug 202699.01% HPLC
Lot SK100001Currently shipping10mgTested Aug 202699.83% HPLC
Lot PT10001Currently shipping10mgTested Aug 202699.95% HPLC
Lot TSM10001Currently shipping10mgTested Aug 202699.47% HPLC
Lot KLOW002Currently shipping50mg+10mg+10mg+10mgTested Aug 202699.51% HPLC
Lot GLOW001Currently shipping10mg+50mg+10mgTested Aug 202699.69% HPLC
Lot GT001Currently shipping1500mgTested Aug 202699.93% HPLC
Lot IT15001Currently shipping12mg+3mgTested Aug 202699.32% HPLC
Can't find your lot, or the certificate doesn't match what you expected? Tell us. Our Purity Guarantee stands behind every batch: if independent testing doesn't confirm the stated purity, you get a full refund and a free replacement.