The EAN-13 barcode was originally called the "European Article Number". However, it is now referred to as an "International Part Number". The EAN-13 barcode contains 13 digits (12+ control digits). You can visit this website https://www.turbopiranha.com/ean-to-asin-bulk-conversion-tool/ to set up all types of barcode labels in ASIN to sell products on amazon.
EAN is a barcode standard as a superset of the original 12-digit UPC (Universal Product Number) system developed in the United States that applies to all products and retail goods. Amazon has introduced to sell the products with their ASIN (Amazon Standard Identification Number) on the products.
Get your barcode
Once you've ordered a barcode with numbers, you'll receive a UPC / EAN number in all different formats to work with – encapsulated postscripts (EPS) files for Illustrator, Photoshop, InDesign, and other high-end graphics programs.
The products with EAN number will be changed to ASIN number in the amazon server application so that it can be easily identified for selling.
Once your order has been shipped with ASIN number, you will receive a transfer from the owner of the UPC or EAN number to create a certificate of authenticity and ensure there are no duplicates. This ensures that your barcode is unique.
UPC / EAN barcode codes are assigned on the product by your company and then assigned to ASIN when comes into amazon inventory. At this point, the ASIN numbers represent data in the automated tool and have assigned built-in price information.