Table of Contents
What is a unique product identifier?
Unique product identifiers are assigned to each product by the manufacturer, so if you sell the same product as another retailer, the UPIs will be identical. Common unique product identifiers include Global Trade Item Numbers (GTINs), Manufacturer Part Numbers (MPNs), and brand names.
How do I find the product identifier?
To find a product ID: Check Category requirements for product IDs to see if your product has specific ID requirements. Look for ISBNs, UPCs, EANs or JANs above or below the bar code on the packaging (or cover) of your product.
Is a product number unique?

Every single product has its unique identifier that helps you to find products you are looking for; with all the specifications you could have ever asked for. Common UPIs are not a single number, they consist of Global Trade Item Numbers (GTINs), Manufacturer Part Numbers (MPNs) and brand names.
Is barcode a unique identifier?
Each barcode is unique to the product that it represents. There are many different types of barcodes but the two types that are standard in retail are UPC and EAN.
Can I create my own GTIN?
You can also create a GTIN based your GS1 Company Prefix using our tool.

Can I create my own MPN?
Some products don’t have an MPN assigned, and so you don’t need to submit one. However, if the product does have an MPN assigned and you don’t submit it, then the product could be disapproved….Examples.
Product data for a new 1l Goat Milk | |
---|---|
Attribute | Value |
MPN [mpn] | H2G2-42 |
Condition [condition] | new |
How do I get an ASIN number?
Finding an ASIN is easy. Just go to your product’s detail page by searching the Amazon.in catalogue; you will find the ASIN (or ISBN for books) under the product description. You may also find the ASIN or ISBN from the product detail page in the URL of your browser.
How do I find an ASIN?
You can find an ASIN using the search box on Amazon’s homepage or within the Add a product page of your Amazon Seller Central account. Search by product name, model, UPC, or EAN. From the search results, click the link to the product’s detail page. You’ll find the ASIN in the middle of the product information section.
Do I need a GTIN?
A GTIN is a product identifier code, embedded within a UPC barcode, that is required in order to sell items in-stores or on an e-commerce platform, like Amazon. Additionally, these product identification numbers not only help you manage inventory, but they also ensure that your product is unique.
How do I get a GTIN?
GTINs can be found on your products packaging, or cover (in the case of books). Below are some example barcodes that will give you a sense of how the GTIN number can be displayed on your product. If you can’t find the GTIN, you can always contact your supplier or the product’s manufacturer to ask for the MPN.
How do I create a GTIN for my product?
A consumer product GTIN or barcode number is created by combining the GS1 Company Prefix licenced to you with a unique item reference.
- Depending upon the length of your company prefix you will allocate item reference for your product that contains a certain number of digits.
- The final 13th digit is a “Check Digit”.
Is SKU and MPN same?
MPN vs. SKU (Stock Keeping Unit) and MPN (Manufacturer Part Number) difference lies mainly in the method of usage. SKUs are used by retailers or brands to keep track of inventory internally; while MPNs are exposed to the customers and are visible to search engines and marketplaces.
Is MPN same as UPC?
MPN (pronounced Gee-Tin) or model numbers are assigned by the manufacturer. They are a static identifier of a product which is universal to all distributors, wholesalers, resellers. This can usually be found near the UPC number on the box or label. Example of the MPN/model number on the product.
How can I create ASIN?
To add a new ASIN, add a product on Amazon.com and create a new product listing. As soon as it’s uploaded, you are good to go and can start selling. Note: Other Amazon sellers can use your ‘new’ ASIN when they are selling the same products!
Is ASIN the same as UPC?
ASIN stands for Amazon Standard Identification Number and is a product identifier which is used by Amazon. It is ten characters long and includes letters as well as numbers. The UPC (Universal Product Code), is a 12-digit code which is unique for every product. You can find it in the barcode.
How do I get an ASIN for my product?
You can get the ASIN product ID of regular items by simply checking the web address of the Amazon listing, details of the listing, or using ASIN lookup tools. If you decide to list a unique product on Amazon, you must add a new ASIN to the listing. Usually, brands and manufacturers add a unique ASIN.
Is ASIN the same as ISBN?
ASINs – Amazon Standard Identification Numbers (ASINs) are unique blocks of 10 letters and/or numbers that identify items on Amazon. For books, the ASIN is the same as the ISBN number, but for all other products a new ASIN is created when the item is uploaded to our catalogue.
What do I do if I don’t have a GTIN?
To help identify your products without a GTIN, you can use the MPN [mpn] and brand [brand] attributes. An MPN, or Manufacturer Part Number, is a UPI for specific parts assigned by the manufacturer. The brand [brand] attribute allows you to use the brand of your product as a UPI.