Methylthiouracil
CAS Number
56-04-2Synonym
4-Hydroxy-2-mercapto-6-methylpyrimidine; 6-Methyl-2-thiouracil; 6-methyl-2-mercaptouracil; Alkiron; Antibason; Basecil; Basethyrin; Metacil; Methiocil; 6-methyl-2-mercaptouracil; Methyl-thiouracil; 4-methyl-2-thiouracil; 6-methylthiouracil; 6-methyl-2-thiouracil; MTU; Muracil; Orcanon; Prostrumyl; Strumacil; Thiomecil; Thiomidil; Thioryl; Thiothymin; Thiuryl; Thyreonorm; Thyreostat; Thyril; Tiomeracil; Tiotiron
Occurrence/Use
Formerly used in medicine (anti-thyroid agent)
Cancer Potency Information
| Latest Criteria: | Proposition 65 NSRLs/MADLs |
|---|---|
| Inhalation Unit Risk (μg/cubic meter)-1: | 1.1 E-4 |
| Inhalation Slope Factor (mg/kg-day)-1: | 4.0 E-1 |
| Oral Slope Factor (mg/kg-day)-1: | 4.0 E-1 |
| Comments/References: |
OEHHA 1992. Expedited Cancer Potency Values and Proposed Regulatory Levels for Certain Proposition 65 Carcinogens. |
Proposition 65
Chemical Status
| Cancer: | Currently listed |
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Cancer
| Listed as causing : | Listed as causing: Cancer |
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| Date of Listing: |
Safe Harbor Levels
| Cancer | |
| Last NSRL/MADL Revision: | 1992 |
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Documents, Presentations, and Publications
| Cancer: |
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