Journal
For research use only. Nothing here constitutes medical advice or a recommendation for human use.
A research-focused guide to what mass spectrometry can support in peptide documentation, and why molecular weight confirmation is not the same as full sequence proof.
A research-focused guide to the basic visual features of chromatograms and the documentation questions they can, and cannot, answer.
A research-focused guide to why HPLC purity should be read beside identity, water content, counterions, peptide content, and lot context.
A research-focused guide to what LAL endotoxin testing can report, how the method works, and why the result should not be confused with sterility or broader suitability claims.
A research-focused explanation of trifluoroacetate counterions, net peptide content, and how residual TFA should be interpreted in peptide documentation.
Traceability connects a research compound, its documentation, and its handling history so a laboratory can evaluate records in context.
HPLC and mass spectrometry answer different analytical questions; understanding the distinction helps researchers read peptide documentation without confusing purity with identity.
A field-by-field guide to interpreting the documentation that accompanies a synthetic peptide lot.