1657-28-9
1657-28-9 structure
- Name: 3-Oxo-N-2-Pyridylbutyramide
- Chemical Name: 3-oxo-N-pyridin-2-ylbutanamide
- CAS Number: 1657-28-9
- Molecular Formula: C9H10N2O2
- Molecular Weight: 178.18800
- Create Date: 2016-11-21 08:56:08
- Modify Date: 2025-08-25 16:47:03
| Name | 3-oxo-N-pyridin-2-ylbutanamide |
|---|---|
| Synonyms |
3-oxo-N-(pyrid-2-yl)butanamide
3-Oxo-N-(2-pyridinyl)butanamide 3-oxo-N-(pyrid-2-yl)butyramide 2-Acetoacetamidopyridine N-(pyrid-2-yl)amide of acetoacetic acid 3-oxo-N-(pyridine-2-yl)butanamide Butanamide,3-oxo-N-2-pyridinyl 3-oxo-N-(pyridin-2-yl)butanamide N-2-Pyridylacetoacetamide 3-Oxo-N-2-Pyridylbutyramide |
| Density | 1.221g/cm3 |
|---|---|
| Boiling Point | 407.8ºC at 760mmHg |
| Molecular Formula | C9H10N2O2 |
| Molecular Weight | 178.18800 |
| Flash Point | 200.4ºC |
| Exact Mass | 178.07400 |
| PSA | 59.06000 |
| LogP | 1.07220 |
| Vapour Pressure | 7.37E-07mmHg at 25°C |
| Index of Refraction | 1.57 |
| HS Code | 2933399090 |
|---|
|
~88%
1657-28-9 |
| Literature: Suri; Satti Synthetic Communications, 2000 , vol. 30, # 20 p. 3709 - 3718 |
|
~66%
1657-28-9 |
| Literature: Ley, Steven V.; Smith, Stephen C.; Woodward, Peter R. Tetrahedron, 1992 , vol. 48, # 6 p. 1145 - 1174 |
|
~%
1657-28-9 |
| Literature: Allen et al. Journal of the American Chemical Society, 1944 , vol. 66, p. 1805,1808 |
| Precursor 4 | |
|---|---|
| DownStream 2 | |
![4-METHYL-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE structure](https://image.chemsrc.com/caspic/105/35549-22-5.png)
![4H-Pyrido[1,2-a]pyrimidin-4-one,2-methyl- structure](https://image.chemsrc.com/caspic/023/1693-94-3.png)
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |