Methylthiouracil
甲基硫氧嘧啶
Also known as: 2,3-Dihydro-6-methyl-2-thioxo-4(1H)-pyrimidinone, 2-Mercapto-4-hydroxy-6-methylpyrimidine, 2-Mercapto-6-methylpyrimidin-4-ol, 2-Thio-6-methyl-1,3-pyrimidin-4-one, 4-Hydroxy-2-mercapto-6-methylpyrimidine, 4-Hydroxy-6-methyl-2-thiopyrimidine, 6-Methyl-2-thiouracil, 6-Methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one, 6-Methyl-2-sulfanylpyrimidin-4-ol, 6-Methyl-2-sulfanylidene-1H-pyrimidin-4-one, Methiocil, Methiure, Metiur
- CAS No.
- 56-04-2
- Jingsj CID
- J-45502-6
- Molecular Formula
- C5H6N2OS
- Chinese Name
- 甲基硫氧嘧啶
- Molecular Weight
- 142.179 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ~330 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 342.3ºC at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 160.8ºC |
GHS Safety & Compliance
Irritant / Health HazardSignal word: Warning
Frequently Asked Questions
What is the CAS number of Methylthiouracil?
56-04-2
What are the molecular formula and molecular weight of Methylthiouracil?
C5H6N2OS, molecular weight 142.179 g/mol
Is Methylthiouracil hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026