Quality and testing
Purity, HPLC, mass spectrometry, certificates of analysis and third-party testing of research peptides.
- Quality and testing
How to Read a Peptide Certificate of Analysis
How to read a peptide certificate of analysis: HPLC purity, mass spec identity, net peptide content, TFA vs acetate, water, endotoxin and lot numbers.
· 10 min read
- Quality and testing
Janoshik Peptide Testing: What a Report Shows
What a Janoshik peptide test report shows, which fields come from the lab and which from the client, and how to verify a report with its task number and key.
· 9 min read
- Quality and testing
Peptide Purity: How HPLC Measures It
What peptide purity means, how reversed-phase HPLC measures it at 210 to 220 nm, which impurities it catches or misses, and how it differs from content.
· 9 min read
- Quality and testing
Research Peptides: What 'Research Use Only' Means
What research peptides are, what "research use only" means under US law, how a reagent differs from a finished drug, and what a responsible supplier states.
· 9 min read