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Quality & documentation
The team that tests, documents and ships every Darkside Labs batch. We write about what we handle every day: analytical testing, certificates of analysis, storage and lab handling of research peptides.
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Research
A 99% purity number means nothing if the peptide in the vial is the wrong molecule. Here's how HPLC and mass spectrometry actually work, what each one proves, what neither one catches, and how to read both on a Certificate of Analysis.
ReadHandling & storage
Lyophilised and reconstituted peptides have completely different storage requirements. Getting this wrong costs more material than anything else in the lab.
ReadQuality & testing
A COA is only useful if you know which numbers matter. Here is how to read purity, identity and the tests that are missing.
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Browse research-grade compounds, each traceable to a batch certificate.