Amazon Identifiers: SKU, ASIN, EAN – What Is That All About? | Khaos Control Cloud

As an Amazon seller, you will likely be spammed with cryptic acronyms and abbreviations while trying to manoeuvre through the stormy waters of the Amazon marketplace.

This blog post will help you find your way and provide explanations for the most important terms in regard to getting your products Amazon-ready!

Selling a Product That Is Already on Amazon


Before you start selling on Amazon, you will need to find out whether an item is already listed on the platform or not.

There are several ways to do to that. You can simply use Amazon’s search tool and look for the specific product. You can also search for the item here, using Amazon identifiers like the product’s ASIN or another identification number.

Amazon Identifiers

What is an ASIN?


ASIN stands for Amazon Standard Identification Number and it consists of 10 characters. It is used to identify products within Amazon's marketplaces.

Once a new product is added to Amazon’s catalogue, it will automatically be assigned an unique ASIN. Be aware that this happens only for a product that is not yet on Amazon. If you simply add a listing to an already existing product page, the ASIN will stay the same. As a seller, you therefore don’t need to concern yourself too much about ASINs. You can use them however, to search for products and identify them.

If you found that the product you would like to sell is already available on Amazon, adding your listing to it is very easy. On the relevant product page, simply click ‘Sell Yours Here’. Make sure you have a registered Seller Account when doing that!

Amazon Identifiers

 

Then you can enter all the relevant data for your listing, including other Amazon Identifiers like GTINs and SKUs, which we will cover in more detail further down this blog post. If you are selling a lot of products, there are tools available on Amazon to help you make this whole process much faster. You can find all of them here within the navigation menu of your Seller Central Account.

Selling an Entirely New Product on Amazon


However, when your product is not yet available on Amazon, the process gets slightly more complex as you will need to create a new product page for it. But this also means that nobody else is currently selling that product and competition is low. This service is unfortunately not yet available for all types of products. You can find more detailed information on those limitations here.

To create a new product page, you can click on ‘Add a Product to our catalogue’ within your seller account. From there, Amazon will take you through the creation process, including search for existing listings and classification of your product. You will then be required to add the product details to the page.

What is a GTIN?


For most categories, it is compulsory to provide Amazon with an industry standard product identifier. Those exist, amongst others, in the form of GTINs, or Global Trade Item Numbers. Depending on your product category, different GTINs will be required. The most common ones are EAN, UPC and ISBN.

Amazon Identifiers

How To Get Your GTIN


Normally, you can find the GTIN on the product itself or the packaging. If you can’t, you should contact your supplier / the manufacturer of the product and they will be able to provide you with a GTIN.

If you manufacture yourself, you will often need to buy a unique GTIN yourself. To do so, your best option is to contact GS1 UK, who are responsible for product identification and industry standards. If you want to know more about GS1 and when you need to contact them, you should have a look at this video interview on Tamebay, or the FAQs on the GS1 website.

You should be aware that some products are excluded from the need to have a GTIN, like some hand-made and individual products that are made to order for example. To find out whether your products are entitled to such exceptions, it is worth contacting Amazon before you buy a GTIN that you may not even need.

Once you have all your details and Amazon identifiers ready, the platform will review your contribution to make sure your product is really unique. You will then receive a summary, including the ASIN for the page you have created. You can then proceed to list your instance of the product in the Amazon marketplace.

What You Will Always Need: Amazon SKUs


No matter if you sell a new product or one that is already on the platform and independently from official GTINs, Amazon will always need some sort of identification number to identify exactly your item compared to those of competitors.

If you do not provide such a number, Amazon will assign one automatically. It is, however, highly beneficial to submit your own number. Because you can then also use this number to exactly keep track of your items and how they sell etc. This is where Stock Keeping Units (SKUs) come into play.

Amazon IdentifiersStock Keeping Units were initially used for inventory management to keep track of where individual items are in the warehouse and outside of it. And on marketplaces like Amazon, they are also used to identify unique items and keep track of their status etc. Obviously, it makes sense to stick to the SKUs you are using in your warehouse when listing your products on Amazon or any other platform. This allows you to efficiently track and report on any item without confusions over various different numbers.

While an SKU can in theory simply be a random or sequential number of letters and digits, it makes sense to build them up logically and with a meaning behind to get the most benefits out of them. Such benefits can be for example:


But How Can I Achieve All That With Amazon SKUs?


Well, it depends on how you build up your SKUs. You can pack a whole lot of information into them that will make your business life significantly easier. Amazon allows SKUs with up to 40 characters, so you can get quite a lot of data in there. However, which information is relevant for you depends entirely on your business and its needs. We have collected a few examples:Amazon Identifiers

Of course there are various other types of information that you can include in your SKUs. Just make sure they are useful for your business and used consistently across the entire company and across all channels. Like this, finding and tracking items as well as reporting becomes easier.

So, don’t underestimate the importance of SKUs as they can have a great impact on your business performance and efficiency. And make sure you have all your Amazon identifiers ready when listing an item!

Manage It All From One Place


Having all your identifiers in one system that integrates with several marketplaces and couriers makes it even easier.

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