- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
- Price: ￥536.0/10g ￥96.0/1g ￥346.0/5g ￥2876.0/100g
- Purity: 95.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4803-74-1
4803-74-1 structure
- Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
- Chemical Name: 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one
- CAS Number: 4803-74-1
- Molecular Formula: C17H15NO3
- Molecular Weight: 281.306
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-12-18 14:24:44
- Modify Date: 2025-08-21 14:41:32
| Name | 5,6-Dimethoxy-2-(pyridine-4-yl)methylene-indan-1-one |
|---|---|
| Synonyms |
5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone (Donepezil Impurity)
MFCD08458868 (2Z)-5,6-Dimethoxy-2-(4-pyridinylmethylene)-1-indanone 1H-Inden-1-one, 2,3-dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-, (2Z)- 5,6-Dimethoxy-2-(pyridin-4-ylmethylene)-2,3-dihydro-1H-inden-1-one (2E)-5,6-dimethoxy-2-(pyridin-4-ylmethylidene)-3H-inden-1-one Donepezil Impurity 23 |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 499.9±45.0 °C at 760 mmHg |
| Melting Point | 210-211ºC |
| Molecular Formula | C17H15NO3 |
| Molecular Weight | 281.306 |
| Flash Point | 256.1±28.7 °C |
| Exact Mass | 281.105194 |
| PSA | 48.42000 |
| LogP | 2.62 |
| Vapour Pressure | 0.0±1.3 mmHg at 25°C |
| Index of Refraction | 1.639 |
| Storage condition | Refrigerator |
| Hazard Codes | Xi |
|---|
|
~98%
4803-74-1 |
| Literature: PIRAMAL HEALTHCARE LIMITED; GURUSAMY, Renugadevi; ROY, Mita; SHANMUGANATHAN, Ramasubramanian; JAGTAP, Ashutosh; HARIHARAN, Sivaramakrishnan; MISHRA, Sushil, Kumar; WANKHEDE, Karuna Patent: WO2012/131540 A1, 2012 ; Location in patent: Page/Page column 16 ; |
|
~%
4803-74-1 |
| Literature: Dubey, Shailendra Kumar; Kharbanda, Manita; Dubey, Sushil Kumar; Mathela, Chandra Shekhar Chemical and Pharmaceutical Bulletin, 2010 , vol. 58, # 9 p. 1157 - 1160 |
