- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 16-beta Methyl Epoxide
- Price: ￥328.0/250mg ￥778.0/1g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: DB11(16β-Methyl Epoxide)
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
981-34-0
981-34-0 structure
- Name: 16-beta Methyl Epoxide
- Chemical Name: 9Beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione
- CAS Number: 981-34-0
- Molecular Formula: C22H28O5
- Molecular Weight: 372.455
- Create Date: 2018-05-29 08:00:00
- Modify Date: 2024-01-13 16:41:57
| Name | 9Beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione |
|---|---|
| Synonyms |
Pregna-1,4-diene-3,20-dione, 9,11-epoxy-17,21-dihydroxy-16-methyl-, (9β,11β,16β)-
DB11 Einecs 213-563-4 Betamethasone 9,11-Epoxide 16-betaMethylEpoxide 9beta,11beta-Epoxy-1 (9β,11β,16β)-17,21-Dihydroxy-16-methyl-9,11-epoxypregna-1,4-diene-3,20-dione 16-beta Methyl Epoxide |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 564.9±50.0 °C at 760 mmHg |
| Melting Point | 210-220ºC |
| Molecular Formula | C22H28O5 |
| Molecular Weight | 372.455 |
| Flash Point | 198.1±23.6 °C |
| Exact Mass | 372.193665 |
| PSA | 87.13000 |
| LogP | 2.23 |
| Vapour Pressure | 0.0±3.5 mmHg at 25°C |
| Index of Refraction | 1.616 |
| Storage condition | 2-8°C |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2918990090 |
|
~%
981-34-0 |
| Literature: Organic Process Research and Development, , vol. 5, # 4 p. 376 - 382 |
| Precursor 1 | |
|---|---|
| DownStream 0 | |
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |