Open notebooks. Verifiable methods.
Every Peptilune lot ships with the same analytical package a pharmaceutical QC department would expect. Browse our standard operating procedures and download method sheets.
Reverse‑phase HPLC
Acetonitrile/TFA gradient on C18 column, 220 nm detection. Reported purity is the integrated peak area above 95% of total signal.
ESI Mass Spectrometry
Identity confirmed within ±1 Da of theoretical monoisotopic mass on every lyophilized batch.
LAL Endotoxin
Kinetic chromogenic LAL assay reported in EU/mg. All catalog products pass < 0.5 EU/mg.
Water content (KF)
Karl Fischer titration on representative vials, ensuring < 5% residual moisture.
Method sheets & whitepapers
Quality commitment
Every batch is independently verified by HPLC and mass spectrometry, with a certificate of analysis available for every lot. We ship cold‑chain from accredited facilities and stand behind the identity and purity of every compound we sell.
Speak with our QC team