Yes, BRASIL is a Scrabble word!

Letter values in Scrabble US: B 3, R 1, A 1, S 1, I 1, L 1.

Is it a valid word?

BRASIL is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

the largest Latin American country and the largest Portuguese speaking country in the world; located in the central and northeastern part of South America; world's leading coffee exporter

Also: federative republic of brazil.