ISOBUTYL

Yes, ISOBUTYL is a Scrabble word!

Letter values in Scrabble US: I 1, S 1, O 1, B 3, U 1, T 1, Y 4, L 1.I 1 · S 1 · O 1 · B 3 · U 1 · T 1 · Y 4 · L 1

Is it a valid word?

• Scrabble US: valid, 13 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 13 points
• Scrabble UK: valid, 13 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 13 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word