Minimum requirements to create a Amazon listing:

1. Brand name could be generic
2. Category path
3. Title (max 200 characters)
4. Description
5. Bullets (at least 1)
6. Atleast 1 image
7. UPC Code (or GTIN Exemption)
8. Product Dimensions
9. Price
10. Condition

Depending on category you may also be required to provide:

1. Model Name/Number
2. Manufacturer
3. Model Year
4. Safety & Compliance Information
5. Number of Items in the Package
6. Unit count