This brand name was invented completely from scratch. It has not many obvious connotations. It sounds a bit like "proper" (i.e. "right" or "correct").
Introper has eight letters and three syllables. Established brands using three syllable names include Armani, Santander and Adidas.
This domain was first registered in November 2016. Older domains have an advantage when ranking in search engines.
Introper.com is a .com domain. Dot com domains are the most desirable top-level-domain in the world, famously used by websites like facebook.com. Once you own a .com, it will be much easier to rank for your own name in Google.