I need to find the Certificate of Analysis (COA) for a product. Navigate to the 'Certificates of Analysis (COA)' section on the website. Describe how a user would search for a COA and identify what information is required to perform this search.
Navigate to 'sigma-aldrich.com'. Click on the 'Documents' button in the main navigation. Click on the 'Certificates of Analysis (COA)' tab. Identify the input field(s) and button(s) used to search for a COA. Note any specific information or format required to perform the search (e.g., product number, lot number). Describe the process for a user to search for a COA based on the elements found on the page.
The agent successfully navigates to the 'Certificates of Analysis (COA)' section. The agent identifies that a search for a COA requires a 'Product Number' and 'Lot Number'. The agent states that the search is performed by entering these numbers into the respective input fields and clicking a 'Submit' button. The agent provides an example of the expected format for the product number (e.g., 'e.g. T1503').