Certificate Of Analysis COA (Certificate of Analysis) Product and lot number are found on the product label, as indicated in the diagram at the right.Please enter the Product Catalog Number and Lot/Batch Number to find a COA:Example:Product Catalog Number: PSR1563If your search returns no results, please Contact Us for further assistance. Search Product COA Please enable JavaScript in your browser to complete this form.Product Code *Batch No. *Email *Submit