108-28-1
108-28-1 structure
- Name: Protoanemonin
- Chemical Name: protoanemonin
- CAS Number: 108-28-1
- Molecular Formula: C5H4O2
- Molecular Weight: 96.084
- Catalog: Biochemical Chinese herbal medicine ingredients
- Create Date: 2018-07-30 18:50:17
- Modify Date: 2025-08-27 06:09:23
| Name | protoanemonin |
|---|---|
| Synonyms |
5-methylenefuran-2(5H)-one
4-Methylenebut-2-en-4-olide EINECS 203-567-4 methylene-5H-furan-2-one cis-4-Methylenebut-2-en-4-olide 5-methylidenefuran-2-one 4-Hydroxy-2,4-pentadienoic Acid g-Lactone 5-exomethylenefuran-2-one 5-methylidenefuran-2(5H)-one 5-Methylene-2(5H)-furanone Protoanemonin 5-Methylene-2-oxodihydrofuran 2(5H)-Furanone, 5-methylene- |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 219.0±9.0 °C at 760 mmHg |
| Molecular Formula | C5H4O2 |
| Molecular Weight | 96.084 |
| Flash Point | 81.5±16.1 °C |
| Exact Mass | 96.021126 |
| PSA | 26.30000 |
| LogP | -0.18 |
| Vapour Pressure | 0.1±0.4 mmHg at 25°C |
| Index of Refraction | 1.492 |
| HS Code | 2932209090 |
|---|
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |