When buying research peptides, customers often ask about purity and documentation. The most common document is a COA, or Certificate of Analysis. A COA may include information such as product identity, batch number, appearance, purity result, and analytical method.
HPLC is often used to estimate peptide purity by separating components in a sample and measuring the main peak relative to other peaks. Mass spectrometry, often shortened to MS, can be used to support molecular identity by comparing measured mass with the expected peptide mass.
These tools are useful, but buyers should understand that documents can vary by supplier, product, and batch. A COA is not a medical approval and does not turn a research material into a human-use product.
For PEPLYO customers, batch documentation may be available upon request for many products. If a document is required before purchase, contact us with the product name, desired quantity, and document requirement.
All PEPLYO products are supplied for laboratory research use only and are not intended to diagnose, treat, cure, or prevent any disease.
