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| CAS号 : | 1882-82-2 |
精确质量 : | 344.19900 |
| 分子式 : | C21H28O4 |
logP : | 3.01740 |
| 分子量 : | 344.44500 |
PSA : | 71.44000 |
17Alpha-羟基孕甾-4-烯-3,11,20-三酮 | |
21-Deoxy Cortisone | |
1882-82-2 | |
C21H28O4 | |
344.44500 | |
71.44000 | |
3.01740 | |
344.19900 |
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1.568
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285.1ºC
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524.6ºC at 760mmHg
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1.21g/cm3
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3.39E-13mmHg at 25°C
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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<p>可用薯蓣皂素经开环、乙酰化、氧化、水解、消除、环氧化、氧化等步反应制得该品。</p> | |
<p>可的松醋酸酯的中间体。</p> |
