10 digit alphanumeric
13 digit numeric, with check digit
12 digit numeric, with check digit
Can be converted to EAN by adding a leading 0.
10 or 13 digit, with check digit, which can be an X
13 digit is equivalent to EAN.
Most 10 digit ISBNs match corresponding ASINs.
Any alphanumeric keyword or keyphrase
Can be used to search for part numbers (MPN) or where an ID is not available. However, results may not always be accurate.
Any - this is your own SKU which you assigned to your listing when adding your offer on Amazon.
Please note that searching by SellerSKU will only return products that you are already selling.