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ASIN vs SKU: What’s the Difference in 2024?

1.4 minutes

In this ASIN vs SKU article, we will explore the unique characteristics of SKUs and ASINs and uncover the key differences between the two.


What is an ASIN (Amazon Standard Identification Number)?

An ASIN (Amazon Standard Identification Number) serves as a distinctive product identifier exclusive to Amazon. It plays a pivotal role in product listings and search functionality and is typically located on product detail pages.

Unique Characteristics of ASIN

Amazon's Unique Identifier: ASINs are exclusive to Amazon and serve as the primary reference for products within the platform.

Global Uniqueness: Each ASIN is globally unique, ensuring there are no duplicates across Amazon's vast marketplace.

Variation Support: ASINs can encompass variations of a product, such as different colors or sizes, simplifying product management for sellers.

Key for Product Searches: ASINs are crucial for customers when searching for specific products on Amazon, ensuring they land on the correct product page.

sku vs asin

What is an SKU (Stock Keeping Unit)?

An SKU (Stock Keeping Unit) is a universal inventory code used by businesses across platforms to facilitate inventory management in diverse retail and e-commerce settings.

Unique Characteristics of SKU

Internal Inventory Control: SKUs are primarily used by businesses for their internal inventory management, helping them track products, quantities, and locations.

Customization Possibility: Unlike ASINs, SKUs can be customized by businesses to fit their specific inventory management needs, including alphanumeric codes or naming conventions.

Not Platform-Exclusive: SKUs are not tied to a particular platform or marketplace and can be used across various sales channels.

Flexible for Different Products: SKUs can be assigned to different products, making them adaptable for businesses offering a wide range of items.

Difference between stock keeping unit and amazon standard identification number

SKU vs ASIN: What’s the Difference?

ASINs (Amazon Standard Identification Numbers) and SKUs (Stock Keeping Units) are both used in the world of e-commerce and retail, but they have distinct characteristics. We will explore these below:


ASIN: ASINs are primarily designed for product identification and organization within the Amazon marketplace.

SKU: SKUs unique codes created by businesses to manage and tracl their stock across various platforms and locations.


ASIN: ASINs are globally unique within Amazon, ensuring that no two products within the platform share the same ASIN.

SKU: SKUs can be duplicated across different businesses and retail environments, as they are not platform-specific.


ASIN: ASINs cannot be customized and adhere to Amazon's standardized format, providing limited flexibility.

SKU: SKUs can be tailored to match the specific naming conventions or alphanumeric schemes preferred by a business, offering greater adaptability.

Platform Independence 

ASIN: ASINs are tightly linked to Amazon and have no relevance or application beyond the Amazon marketplace.

SKU: SKUs are versatile and can be employed across various sales channels, making them independent of any particular platform.

Visibility to Customers

 ASIN: ASINs are visible to customers on Amazon product pages, aiding in product searches and purchases.

SKU: SKUs are primarily internal and not typically exposed to customers, as they are used for inventory management purposes.

Handling Product Variations 

ASIN: ASINs can encompass different variations of a product, such as varying colors, sizes, or editions, streamlining product listings.

SKU: While SKUs are generally assigned to individual products, they can also be configured to manage product variations when necessary, offering adaptability in handling different product types.

We hope our ASIN vs SKU article has now left with you a better understanding of the key differences between Amazon Standard Identification Number (ASIN) and Stock Keeping Unit (SKU) codes.

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