- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Coumurrayin
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Coumurrayin
- Price: ￥4000.0/5mg
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Coumurrayin
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
17245-25-9
17245-25-9 structure
- Name: Coumurrayin
- Chemical Name: 5,7-dimethoxy-8-(3-methylbut-2-enyl)chromen-2-one
- CAS Number: 17245-25-9
- Molecular Formula: C16H18O4
- Molecular Weight: 274.312
- Catalog: Natural product Coumarin
- Create Date: 2018-08-23 18:33:32
- Modify Date: 2025-08-25 15:05:05
| Name | 5,7-dimethoxy-8-(3-methylbut-2-enyl)chromen-2-one |
|---|---|
| Synonyms |
5,7-Dimethoxy-8-(3-methyl-2-buten-1-yl)-2H-chromen-2-one
Coumarrayin 2H-1-Benzopyran-2-one, 5,7-dimethoxy-8-(3-methyl-2-buten-1-yl)- coumurrayin |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 440.0±45.0 °C at 760 mmHg |
| Molecular Formula | C16H18O4 |
| Molecular Weight | 274.312 |
| Flash Point | 195.7±28.8 °C |
| Exact Mass | 274.120514 |
| PSA | 48.67000 |
| LogP | 4.15 |
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
| Index of Refraction | 1.548 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2932209090 |
| Precursor 3 | |
|---|---|
| DownStream 0 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |