- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Pyrido[3,4-d]pyrimidin-4(3H)-one
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Pyrido[3,4-d]pyrimidin-4(3H)-one
- Price: ￥278.0/50mg ￥818.0/250mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3,4-Dihydropyrido[3,4-d]pyrimidin-4-one
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
19178-25-7
19178-25-7 structure
- Name: Pyrido[3,4-d]pyrimidin-4(3H)-one
- Chemical Name: 1H-pyrido[3,4-d]pyrimidin-4-one
- CAS Number: 19178-25-7
- Molecular Formula: C7H5N3O
- Molecular Weight: 147.134
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Dihydropyridine
- Create Date: 2019-01-01 18:24:40
- Modify Date: 2025-08-25 18:59:14
| Name | 1H-pyrido[3,4-d]pyrimidin-4-one |
|---|---|
| Synonyms |
3H-pyrido[3,4-d]pyrimidin-4-one
3,4-Dihydropyrido[3,4-d]pyrimidin-4-one pyrido<3,4-d>pyrimidin-4(3H)-one pyrido[3,4-d]pyrimidin-4(3H)-one pyrido[3,4-d]pyrimidin-4-ol Pyrido[3,4-d]pyrimidin-4(1H)-one 3H-Pyrido[3,4-d]pyrimidin-4-on pyrido-<Pyrido[3,4-d]pyrimidin-4(3H)-one 3H-pyrido[3,4-d]pyrimid-4-one |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 369.4±22.0 °C at 760 mmHg |
| Melting Point | 305℃ |
| Molecular Formula | C7H5N3O |
| Molecular Weight | 147.134 |
| Flash Point | 177.2±22.3 °C |
| Exact Mass | 147.043259 |
| PSA | 58.64000 |
| LogP | -1.19 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.722 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2933990090 |
|
~70%
19178-25-7 |
| Literature: Warner-Lambert Company Patent: US5654307 A1, 1997 ; US 5654307 A |
|
~%
19178-25-7 |
| Literature: WO2013/12915 A1, ; Paragraph 00677 ; WO 2013/012915 A1 |
|
~%
19178-25-7 |
| Literature: Chemische Berichte, , vol. 35, p. 2845 |
| Precursor 4 | |
|---|---|
| DownStream 2 | |
![4-Chloropyrido[3,4-d]pyrimidine structure](https://image.chemsrc.com/caspic/318/51752-67-1.png)
![N-[4-(1H-imidazol-2-yl)pyridin-3-yl]formamide structure](https://image.chemsrc.com/caspic/479/88128-94-3.png)
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |