- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 4-Thiouracil
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 4-Thiouracil
- Price: ￥578.0/1g ￥158.0/250mg
- Purity: 97.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 4-Thiouracil
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
591-28-6
591-28-6 structure
- Name: 4-Thiouracil
- Chemical Name: 4-thiouracil
- CAS Number: 591-28-6
- Molecular Formula: C4H4N2OS
- Molecular Weight: 128.152
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Urinary (urea)pyrimidine
- Create Date: 2018-10-03 10:44:33
- Modify Date: 2025-08-21 15:19:47
| Name | 4-thiouracil |
|---|---|
| Synonyms |
4-thiouracyl
2(1H)-Pyrimidinone, 3,4-dihydro-4-thioxo- 4-Thioxo-3,4-dihydro-1H-pyrimidin-2-on Uracil,4-thio 4-Thioxo-1H-pyrimidin-2-one MFCD00090842 2-Hydroxypyrimidine-4(1H)-thione 4-Thiouracil 2(1H)-Pyrimidinone,3,4-dihydro-4-thioxo 4-thiourcil 4-Thioxo-3,4-dihydro-2(1H)-pyrimidinone KC 135 2-HYDROXY-4-MERCAPTOPYRIMIDINE 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one 4-thioxo-3,4-dihydro-1H-pyrimidin-2-one |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 388.0±34.0 °C at 760 mmHg |
| Melting Point | 295 °C (dec.)(lit.) |
| Molecular Formula | C4H4N2OS |
| Molecular Weight | 128.152 |
| Flash Point | 188.4±25.7 °C |
| Exact Mass | 128.004440 |
| PSA | 84.81000 |
| LogP | -0.60 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.671 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302-H312-H332 |
| Precautionary Statements | P280 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xn: Harmful; |
| Risk Phrases | R20/21/22 |
| Safety Phrases | S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2933599090 |
| Precursor 0 | |
|---|---|
| DownStream 6 | |
![ethyl 2-[(2-oxo-3H-pyrimidin-4-yl)sulfanyl]acetate structure](https://image.chemsrc.com/caspic/188/74195-57-6.png)
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |