How to Find ASINs
Amazon Standard Identification Numbers (ASINs) are unique blocks of 10 letters and/or numbers that identify items. You can find the ASIN on the item's product information page at Amazon.com and in the URL for the page.
The quickest way to find your product's ASIN is to look in your browser's address bar. Copy the number that appears after the item name and "dp" in the address:
In the example above, the ASIN is also an ISBN-10.
Here's a sample URL for the detail page of a wireless electronics product with an Amazon "B00" ASIN sequence.