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Misc. 2728 is a Universal Product Code (UPC) which is used to track retail items. This code consists of a 12-digit number which is divided into three sections. The first section is the UPC Company Prefix which identifies the company that assigned the code. This is followed by the item number which is used to identify the exact product, and the last section is a check digit which is used to validate the number. All UPC numbers are unique and provide a reliable method of tracking products for inventory, pricing, and point-of-sale information.