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Testing Status of 6-Methyl-2-thiouracil 56042


CASRN: 56-04-2

Formula: C5-H6-N2-O-S

Synonyms/Common Names

  • 4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo-
  • Methylthiouracil
  • Muracil

Known Uses

Thyroid inhibitor. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (196237)  Completed 
    • Citation: Zeiger, E., Anderson, B., Haworth, S., Lawlor, T., and Mortelman, K. Salmonella Mutagenicity Tests V. Results from the Testing of 311 Chemicals Environ. Molec. Mutagen. Vol. 19 (Suppl 21) (1992) 2-141
    •  Negative