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Is MERCAPTOPURINE a valid Scrabble word?

Yes, MERCAPTOPURINE is a valid word in US Scrabble and UK Scrabble, worth 22 points.

Base score before bonus squares; blank tiles score zero.

What does MERCAPTOPURINE mean?

  1. noun

    a drug (trade name Purinethol) that interferes with the metabolism of purine and is used to treat acute lymphocytic leukemia

Definitions from WordNet 3.1, Princeton University.

Points

22

Scrabble

28

Words With Friends

14

Letters

M (3) + E (1) + R (1) + C (3) + A (1) + P (3) + T (1) + O (1) + P (3) + U (1) + R (1) + I (1) + N (1) + E (1) = 22 points in Scrabble.

Dictionary status

  • Scrabble (US & Canada)Valid
  • Scrabble (UK & worldwide)Valid
  • Words With FriendsListed

Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.

Hooks for MERCAPTOPURINE

Single letters that turn MERCAPTOPURINE into another valid word in US Scrabble. Hooks let you extend a word already on the board.

Front hooks0

None — nothing can be added to the front.

Back hooks1

Words you can make from MERCAPTOPURINE

The 60 highest-scoring words using these letters.

Study MERCAPTOPURINE and related words

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