- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
- Price: ￥688.0/1g ￥288.0/250mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 5-Cyanouracil
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4425-56-3
4425-56-3 structure
- Name: 2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
- Chemical Name: 5-Cyanouracil
- CAS Number: 4425-56-3
- Molecular Formula: C5H3N3O2
- Molecular Weight: 137.096
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Urinary (urea)pyrimidine
- Create Date: 2018-09-03 19:34:33
- Modify Date: 2025-08-25 12:40:52
| Name | 5-Cyanouracil |
|---|---|
| Synonyms |
2,4-dioxo-1H-pyrimidine-5-carbonitrile
2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile 5-Pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-2,4-dioxo- 2,4-dihydroxypyrimidine-5-carbonitrile 5-cyanouracil 2,4-Dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarbonitrile |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 524.8±60.0 °C at 760 mmHg |
| Melting Point | 303 °C(dec.) |
| Molecular Formula | C5H3N3O2 |
| Molecular Weight | 137.096 |
| Flash Point | 271.2±32.9 °C |
| Exact Mass | 137.022522 |
| PSA | 89.51000 |
| LogP | -1.82 |
| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
| Index of Refraction | 1.670 |
|
~%
4425-56-3 |
| Literature: Shaw Journal of the Chemical Society, 1955 , p. 1834,1838 |
| Precursor 1 | |
|---|---|
| DownStream 4 | |
| 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% |