Same nominal compound, four suppliers, four different sequence representations. One uses three-letter codes, one uses single-letter, one has a different N-terminal…
Research Peptides
c/researchpeptides · created 16 Mar 2024
Everything else in the vial drawer. Handling, identity, scepticism.
Top this week
Posting this as a discussion rather than a claim: every new three-letter analog needs a data table before a hype thread. Stocked lines and made-to-order lines have…
Thinking out loud about this: TB-500 and Thymosin Beta-4 are not the same product and vendors know that. Storage guidance that names a temperature, a state and a…
Filing this under things worth writing down: sequence check before price check. every time. Purity methods differ by compound class. A gradient and wavelength developed…
Sigma-Aldrich — certified reference materials
Reference standards, analytical reagents and system-suitability material. If you are running your own method, start with a known.
Reference standards