2-Thiouracil
2-硫脲嘧啶
Also known as: 2,3-dihydro-2-thioxo-4(1H)-pyrimidinone, 2-MERCAPTO-4-HYDROXYPYRIMIDINE, 2-MERCAPTO-4-PYRIMIDONE, 2-Mercapto-4-hydroxypyrimidine, 2-Mercapto-4-pyrimidone, 2-Sulfanylpyrimidin-4(3H)-one, 2-TU, 2-Thioxo-2,3-dihydro-4(1H)-pyrimidinone, 2-Thioxo-2,3-dihydropyrimidin-4(1H)-one, 2-sulfanylpyrimidin-4-ol, 2-thio-uraci, 4(1H)-Pyrimidinone, 2,3-dihydro-2-thioxo-, 4(3H)-pyrimidinone, 2-mercapto-, 4-HYDROXY-2-MERCAPTOPYRIMIDINE, 4-HYDROXY-2-THIOPYRIMIDINE, 4-Hydroxy-2-mercaptopyrimidine, 4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine, DERACIL, Nobilen, THIURACIL
- CAS No.
- 141-90-2
- Jingsj CID
- J-30482-7
- Molecular Formula
- C4H4N2OS
- Chinese Name
- 2-硫脲嘧啶
- Molecular Weight
- 128.152 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 337.2ºC at 760mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 157.7ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-Thiouracil?
141-90-2
What are the molecular formula and molecular weight of 2-Thiouracil?
C4H4N2OS, molecular weight 128.152 g/mol
Is 2-Thiouracil hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026