- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Thieno[3,2-d]pyrimidine-2,4-diol
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Thieno[3,2-d]pyrimidine-2,4-diol
- Price: ￥128.0/250mg ￥298.0/1g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- DC Chemicals Limited
- China
- Product Name: 1h-thieno[3,2-d]pyrimidine-2,4-dione
- Price: ￥Inquiry/100mg ￥Inquiry/250mg ￥Inquiry/1g
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Tony Cao
- Email: sales@dcchemicals.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 1H-Thieno[3,2-d]pyrimidine-2,4-dione
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
16233-51-5
- Name: Thieno[3,2-d]pyrimidine-2,4-diol
- Chemical Name: 1,3-Dihydrothiopheno[3,2-d]pyrimidine-2,4-dione
- CAS Number: 16233-51-5
- Molecular Formula: C6H4N2O2S
- Molecular Weight: 168.173
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Thiophene
- Create Date: 2018-12-18 13:58:56
- Modify Date: 2025-08-27 16:11:56
| Name | 1,3-Dihydrothiopheno[3,2-d]pyrimidine-2,4-dione |
|---|---|
| Synonyms |
1H-Thieno[3,2-d][1,3]oxazine-2,4-dione
Thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione Thieno[3,2-d]pyrimidine-2,4-diol 1H-thieno[3,2-d]pyrimidine-2,4-dione |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 274.804ºC at 760 mmHg |
| Melting Point | 102.9°C |
| Molecular Formula | C6H4N2O2S |
| Molecular Weight | 168.173 |
| Flash Point | 119.997ºC |
| Exact Mass | 167.999344 |
| PSA | 94.48000 |
| LogP | 0.23 |
| Vapour Pressure | 0.009mmHg at 25°C |
| Index of Refraction | 1.625 |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | 20/21/22 |
| Safety Phrases | 24/25-36/37 |
| HS Code | 2934999090 |
|
~98%
16233-51-5 |
| Literature: Chemical and Pharmaceutical Bulletin, , vol. 60, # 8 p. 1037 - 1045 |
|
~87%
16233-51-5 |
| Literature: Journal of Medicinal Chemistry, , vol. 51, # 20 p. 6614 - 6618 |
|
~81%
16233-51-5 |
| Literature: WO2011/49332 A2, ; Page/Page column 16 ; WO 2011/049332 A2 |
|
~67%
16233-51-5 |
| Literature: WO2005/49033 A1, ; Page/Page column 108 ; WO 2005/049033 A1 |
|
~65%
16233-51-5 |
| Literature: US5187168 A1, ; |
|
~%
16233-51-5 |
| Literature: US2009/75970 A1, ; Page/Page column 13 ; US 20090075970 A1 |
|
~81%
16233-51-5 |
| Literature: Nucleosides and Nucleotides, , vol. 13, # 4 p. 925 - 937 |
|
~%
16233-51-5 |
| Literature: Journal of Chemical Research, Miniprint, , # 2 p. 548 - 575 |
|
~%
16233-51-5 |
| Literature: Journal of Chemical Research, Miniprint, , # 2 p. 548 - 575 |
| Precursor 8 | |
|---|---|
| DownStream 10 | |
![7-Bromo-2,4-dichlorothieno[3,2-d]pyrimidine structure](https://image.chemsrc.com/caspic/009/41102-25-4.png)
![2-Chloro-4-morpholinothieno[3,2-d]pyrimidine-6-carbaldehyde structure](https://image.chemsrc.com/caspic/051/885618-31-5.png)
![2-Chlorothieno[3,2-d]pyrimidine structure](https://image.chemsrc.com/caspic/404/1119280-68-0.png)
![2,4-Dichlorothieno[3,2-d]pyrimidine structure](https://image.chemsrc.com/caspic/432/16234-14-3.png)
![4-(2-Chlorothieno[3,2-d]pyrimidin-4-yl)morpholine structure](https://image.chemsrc.com/caspic/394/16234-15-4.png)
![7-Bromo-2-chlorothieno[3,2-d]pyrimidine structure](https://image.chemsrc.com/caspic/140/1152475-42-7.png)
![4-(2-CHLORO-6-((4-(METHYLSULFONYL)PIPERAZIN-1-YL)METHYL)THIENO[3,2-D]PYRIMIDIN-4-YL)MORPHOLINE structure](https://image.chemsrc.com/caspic/062/885675-66-1.png)
![(2-CHLORO-4-MORPHOLINOTHIENO[3,2-D]PYRIMIDIN-6-YL)METHANOL structure](https://image.chemsrc.com/caspic/419/885698-97-5.png)
![4-(6-(BROMOMETHYL)-2-CHLOROTHIENO[3,2-D]PYRIMIDIN-4-YL)MORPHOLINE structure](https://image.chemsrc.com/caspic/381/885698-98-6.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |