Guides
The paperwork, the handling and the chemistry, explained plainly.
How to Read a Peptide Certificate of Analysis (COA)
What each line on a peptide COA means: lot number, HPLC purity, measured content, endotoxin and microbial panels, and the red flags to look for.
Read guideHow to Store Lyophilized Peptides
How to store freeze-dried research peptides before and after reconstitution: temperature, light, moisture, freeze-thaw cycles and labelling.
Read guideEndotoxin Testing Explained: What EU per Vial Means
What endotoxin is, how labs measure it with the LAL assay, what EU per vial means on a peptide COA, and how it differs from a microbial count.
Read guideBacteriostatic Water vs Sterile Water: What's the Difference?
Bacteriostatic water vs sterile water for the lab: the 0.9% benzyl alcohol preservative, single-use vs multi-draw vials, and storage after opening.
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