Every compound in our catalog undergoes multi-stage synthesis validation using solid-phase peptide synthesis (SPPS) with Fmoc chemistry. We don't source third-party intermediates — our peptides are synthesized, purified, and characterized in-house. Each lot is verified via HPLC purity analysis and mass spectrometry before release, with Certificates of Analysis available for every order. We hold ourselves to ≥98–99% purity standards across our catalog, not as a marketing claim but as a minimum threshold for research-grade integrity.

Each compound lot is characterized using reverse-phase HPLC with UV detection and electrospray ionization mass spectrometry (ESI-MS) for identity confirmation. A Certificate of Analysis (CoA) is issued per lot, documenting purity percentage, observed vs. theoretical molecular weight, synthesis date, storage conditions, and lot traceability.

Most lyophilized peptides are stable at −20°C for 24 months when stored in their original sealed vials, away from light and moisture. Upon reconstitution, we recommend single-use aliquoting to avoid repeated freeze-thaw cycles.

Yes. Our custom synthesis service is available for academic institutions, pharmaceutical developers, and qualified research organizations. We accept sequences up to 50 amino acids in length, with options for standard and modified residues, isotopic labeling, PEGylation, and conjugation.