HELIX BioScience is a research-peptide learning boutique. Everything here is reference material for laboratory research. Before exploring, please confirm:
Every lot ships with a Certificate of Analysis documenting identity, purity, batch, and testing. Open any compound below to see the exact COA format you'll receive — these are specimen documents showing the layout; the completed identity and purity results accompany each shipped lot.
Confirmed by mass spectrometry against the expected molecular mass.
Quantified by RP-HPLC and reported as a percentage per lot.
A unique lot number ties each vial back to its synthesis data.
The methods and dates behind the reported numbers.