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Hymecromone (4-methylumbelliferone) is a drug used in bile therapy. It is used as choleretic and antispasmodic drugs and as a standard for the fluorometric determination of enzyme activity.
Hymecromone is a crystalline solid with a melting point of 194–195 °C. It is soluble in methanol and glacial acetic acid.
Yang Y, Hamaguchi K (April 1980). "Hydrolysis of 4-methylumbelliferyl N-acetyl-chitotrioside catalyzed by hen and turkey lysozymes. pH dependence of the kinetics constants". Journal of Biochemistry. 87 (4): 1003–14. doi:10.1093/oxfordjournals.jbchem.a132833. PMID7390976.