- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,4-Diaminopyrimidine-5-carboxaldehyde
- 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-Diaminopyrimidine-5-carboxaldehyde
- Price: ￥1236.0/1g ￥496.0/250mg ￥3876.0/5g
- Purity: 95.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,4-Diaminopyrimidine-5-carboxaldehyde
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Shanghai Amole Biotechnology Co., Ltd.
- China
- Product Name: 2,4-Diaminopyrimidine-5-carboxaldehyde
- Price: ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
- Purity: 95.0%
- Stocking Period: Inquiry
- Contact: Xiyao Wang
- Email: 3623107365@qq.com
20781-06-0
20781-06-0 structure
- Name: 2,4-Diaminopyrimidine-5-carboxaldehyde
- Chemical Name: 2,4-Diaminopyrimidine-5-carboxaldehyde
- CAS Number: 20781-06-0
- Molecular Formula: C5H6N4O
- Molecular Weight: 138.127
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Aminopyrimidine
- Create Date: 2018-06-11 21:22:25
- Modify Date: 2025-08-27 11:40:27
| Name | 2,4-Diaminopyrimidine-5-carboxaldehyde |
|---|---|
| Synonyms |
MFCD04973412
2,4-Diamino-5-pyrimidinecarbaldehyde 5-Pyrimidinecarboxaldehyde, 2,4-diamino- 2,4-diaminopyrimidine-5-carbaldehyde |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 468.3±55.0 °C at 760 mmHg |
| Melting Point | 274-276ºC |
| Molecular Formula | C5H6N4O |
| Molecular Weight | 138.127 |
| Flash Point | 237.0±31.5 °C |
| Exact Mass | 138.054153 |
| PSA | 94.89000 |
| LogP | 0.28 |
| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
| Index of Refraction | 1.754 |
| Storage condition | Refrigerator |
| Hazard Codes | Xn |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | 26-36/37/39 |
| HS Code | 2933599090 |
|
~82%
20781-06-0 |
| Literature: Stuart; Paterson; Roth; Aig Journal of Medicinal Chemistry, 1983 , vol. 26, # 5 p. 667 - 673 |
|
~77%
20781-06-0 |
| Literature: Karoli, Tomislav; Mamidyala, Sreeman K.; Zuegg, Johannes; Fry, Scott R.; Tee, Ernest H.L.; Bradford, Tanya A.; Madala, Praveen K.; Huang, Johnny X.; Ramu, Soumya; Butler, Mark S.; Cooper, Matthew A. Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 7 p. 2428 - 2433 |
| Precursor 2 | |
|---|---|
| DownStream 4 | |
![6-(2,6-Dimethylphenyl)pyrido[2,3-d]pyrimidine-2,7-diamine structure](https://image.chemsrc.com/caspic/469/179343-59-0.png)
![6-(3,5-Dimethoxyphenyl)pyrido[2,3-d]pyrimidine-2,7-diamine structure](https://image.chemsrc.com/caspic/356/192705-78-5.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% |