Certificate of Analysis (COA)
A Certificate of Analysis (COA) is a formal document from an analytical laboratory that reports all testing results for a specific production batch. For research peptides, a comprehensive COA typically includes HPLC purity, mass spectrometry identity confirmation, endotoxin testing, sterility results, appearance, and net peptide content.
Each COA should be traceable to a specific lot number. Batch-specific COAs ensure the testing data corresponds to the exact material in your vial — generic or undated COAs are a red flag. Third-party COAs, where testing is performed by a laboratory independent of the manufacturer, provide additional assurance.
Healthy Aminos publishes batch-specific COAs from independent laboratories for every product, accessible through the COA viewer on each product page.
All Healthy Aminos products are for research use only.
Related Products
Related Terms
HPLC
High-Performance Liquid Chromatography — the standard analytical technique for determining peptide purity by separating molecular species based on their chemical properties.
Mass Spectrometry
An analytical technique that measures molecular weight by ionizing molecules and separating them by mass-to-charge ratio, used to confirm peptide identity.
Endotoxin Testing
The Limulus Amebocyte Lysate (LAL) assay used to detect bacterial lipopolysaccharide contamination in peptide preparations.
Lot Number
A unique identifier assigned to a specific production batch, enabling traceability from synthesis through testing to customer delivery.
Third-Party Testing
Analytical testing performed by a laboratory independent of the peptide manufacturer, eliminating conflicts of interest in quality verification.
Research Use Only
FOR RESEARCH USE ONLY. Products sold by Healthy Aminos are intended strictly for in-vitro research and laboratory use. Not for human or animal consumption. Not FDA approved. By purchasing from Healthy Aminos, the buyer acknowledges that these products are not intended to diagnose, treat, cure, or prevent any disease. All products are sold as reference standards and research chemicals only.