Yes, TORAHS is a Scrabble word!

Letter values in Scrabble US: T 1, O 1, R 1, A 1, H 4, S 1.

Is it a valid word?

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

the whole body of the Jewish sacred writings and tradition including the oral tradition
the first of three divisions of the Hebrew Scriptures comprising the first five books of the Hebrew Bible considered as a unit
(Judaism) the scroll of parchment on which the first five books of the Hebrew Scripture is written; is used in a synagogue during services

Not playable in Scrabble US: PENTATEUCH.