Maintenance Notice (10:30 PM June 7 - 2:00 AM June 8, 2025 UTC): This website is scheduled to be unavailable due to maintenance. We appreciate your patience and understanding.
Product Document Searching Made Easy by 2D Code! | TCI Chemistry News June 2025 | [Product Highlights] Benzoquinone Derivative Useful for... | Various analytical charts can be searched on each product detail page and Product Document Search (The kinds of analytical charts differ by product)
Maximum quantity allowed is 999
请选择数量
CAS RN: 19457-55-7 | 产品编码: M3121
6-Methyleneandrost-4-ene-3,17-dione

产品编码 | M3121 |
纯度/分析方法 | >98.0%(HPLC) |
分子式/分子量 | C__2__0H__2__6O__2 = 298.43 |
外观与形状(20°C) | 固体 |
储存温度 | 室温 (15°C以下阴凉干燥处) |
包装和容器 | 1G-Glass Bottle with Plastic Insert (查看图片) |
CAS RN | 19457-55-7 |
Reaxys-RN | 4514172 |
PubChem物质ID | 354335792 |
MDL编号 | MFCD09038727 |
技术规格
Appearance | White to Orange to Green powder to crystal |
Purity(HPLC) | min. 98.0 area% |
Specific rotation [a]20/D | +390 to +430 deg(C=1, CHCL3) |
NMR | confirm to structure |
物性(参考值)
熔点 | 164 °C(dec.) |
比旋光度 [α]D | 411° (C=1,CHCl3) |
最大吸收波长 | 259 nm (EtOH) |
GHS
象形图 |
![]() |
信号词 | Warning |
危险性说明 | H361 : Suspected of damaging fertility or the unborn child. |
防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P202 : Do not handle until all safety precautions have been read and understood. P201 : Obtain special instructions before use. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P308 + P313 : IF exposed or concerned: Get medical advice/ attention. P405 : Store locked up. |
相关法规
运输信息
HS编码* | 2937.90-000 |
应用
A Synthetic Intermediate of Exemestane
This product is a synthetic intermediate of exemestane (FCE 24304) [E0941] which is a potent and selective aromatase inhibitor.
References
- 6-Methylenandrosta-1,4-diene-3,17-dione (FCE 24304): a new irreversible aromatase inhibitor
- Synthesis and aromatase inhibition by potential metabolites of exemestane (6-methylenandrosta-1,4-diene-3,17-dione)
- 1,2-Dehydrogenation of steroidal 6-methylene derivatives. Synthesis of exemestane
- Development and validation of a stability indicating LC method for the assay and related substances determination of Exemestane, an aromatase inhibitor
参考文献