has role has role ferroptosis inhibitor chromanol monocarboxylic acid phenols radical scavenger neuroprotective agent Wnt signalling inhibitor Trolox 6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid 3,4-dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-carboxylic acid 6-hydroxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid A chromanol that is 6-hydroxychromane which is substituted by a carboxy group at position 2 and by methyl groups at positions 2, 5, 7, and 8. A cell-permeable, water-soluble analogue of vitamin E, it is used as a standard for measuring the antioxidant capacity of complex mixtures. chebi_ontology CHEBI:82625