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A purity figure on its own means very little without knowing how it was produced. HPLC and mass spectrometry answer […]

Certificates of Analysis are easy to produce and hard to verify, which is exactly why some of them are decorative.

“Research Use Only” gets read as fine print. It is not. RUO is a regulatory classification that determines what a

Lyophilized peptides arrive as a dry cake or powder because dry material is far more stable than material in solution.

Both are water. The difference is a preservative, and that single difference decides how long a reconstituted vial remains usable

Peptides degrade by predictable routes: hydrolysis, oxidation, aggregation and adsorption to container surfaces. Storage practice is mostly a matter of