One product and multiple codes.
As a retailer, how do you map this codes? Which of the many codes UPC, EAN, ISBN, ASIN should you be using?
Before addressing this, it is important to know why you need these codes? Is it mandatory to use these codes?
What is EAN – International Article Number (EAN)
Amazon demands EAN-codes to enhance the quality of its search results and a catalog as a whole. You can obtain EAN from your manufacturer and if you fail to obtain from him, buy it.
However, if you are selling on Amazon.com brush of the hustle. You don't need an EAN in the first place.
What is ISBN – International Standard Book Number
If you aren't selling books, you need not worry about it.
What is ASIN – Amazon Standard Identification Number
A diverse and vast marketplace Amazon is, it's mandatory to have unique identification barcodes for the varied products that are sold. As a retailer, you either need to get ASIN attached to your product or register yourself on Amazon and get one assigned. This will help you in keeping track of inventory and prevents you from accepting out of stock products
As Wiki puts it: The Amazon Standard Identification Number (ASIN) is a 10-character alphanumeric unique identifier assigned by Amazon.com and its partners for product identification within the Amazon organization.
Why is ASIN important for you? When you embarked to oversee stock and ship items, you'll see that requests you get from Amazon will be set apart with their ASIN. So the demand you get has an ASIN on it that you have to further find the right product from your inventory. At exactly that point would you be able to send the correct item.
Gems, excellence items, and individual care can be sold on Amazon without an UPC. When you transfer them, they will be allotted an ASIN.
Coding every product is a tedious task. Consider how far you send your product before it gets to the client. A few people will deal with it meanwhile. Bundling office, shipping, and last-mile accomplices are all involved in this process. Without a one of a kind code to recognize items, you may simply wind up delivery the wrong thing and put it through this whole procedure for reasons unknown.
Simple, yet powerful