If you are a new seller on Amazon or someone who is starting to list their first products, you will notice that you will be asked to provide a product identifier. This article will explain you what types of product identifiers exist.
Manufacturer Part Number (MPN).
A Manufacturer Part Number refers to the number which uniquely identifies the product to its manufacturer.
Format – Alphanumeric digits of various lengths.
Global Trade Item Number (GTIN).
A GTIN is a unique identifier for trade items, products of services. GTINs are assigned to most retail products in and include UPCs, EANs, JANs and ISBNs.
Format – GTINs may be 8, 12, 13 or 14 digits long.
GTIN-8.
A unique numerical identifier for smaller items that cannot fit a 12 or 13 digit barcode image on the packaging.
Format – 8 numerical digits.
GTIN-12, also referred to as Universal Product Codes (UPC).
A unique numerical identifier for commercial products that is usually associated with a barcode printed on retail merchandise. UPCs are primarily used in North America. Format – 12 numerical digits.
GTIN-13, also referred to as European Article Number (EAN).
A unique numerical identifier for commercial products that is usually associated with a barcode printed on retail merchandise. EANs are primarily used outside of North America.
GTIN-14.
A unique numerical identifier for cases of commercial products. Please note – what is referred to as a GTIN, within Amazon Seller Central it is actually a GTIN-15, and sellers should select EAN as their identifier.
Format – 14 numerical digits.
Japanese Article Number (JAN).
A unique numerical identifier for commercial products that is usually associated with a barcode printed on retail merchandise. JANs are used only in Japan.
Format – 13 numerical digits.
International Standard Book Number (ISBN).
A numerical identifier for commercial books published since 1970. This can be found on the back of the book, along with the barcode.
Format – ISBN-10:10 numerical digits (last digit may be “X” which represents the number “10”). Note that this format was deprecated in 2007 and not all books can be represented using ISBN-10. ISBN-13 (recommended):13 numerical digits, typically starting with either 978 or 979.
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