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| CAS号 : | 4759-48-2 |
精确质量 : | 300.20900 |
| 分子式 : | C20H28O2 |
logP : | 5.60260 |
| 分子量 : | 300.43500 |
PSA : | 37.30000 |
异维 A 酸 | |
isotretinoin | |
4759-48-2 | |
C20H28O2 | |
300.43500 | |
37.30000 | |
5.60260 | |
300.20900 |
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淡黄色结晶粉末
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350.6ºC
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462.8ºC at 760 mmHg
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172-175 °C(lit.)
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1.011 g/cm3
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insoluble
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Stable, but probably air and light sensitive. Combustible. Incompatible with strong oxidizing agents.
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-20ºC
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VH6440000
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3
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S53-S26-S36/37/39-S45-S37/39
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2942000000
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T
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R36/37/38; R61
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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>β-紫罗兰酮和乙基氯化镁反应后,再和三苯膦反应形成三苯基镌盐,然后和环戊烯酮衍生物反应,生成异维A酸及其8Z异构体。</p> | |
<p>本品不仅能维持正常上皮细胞分化作用,而且可使白血细胞分化为具有正常表现型功能的血细胞,体外可抑制癌细胞增殖,是一种肿瘤细胞诱导分化剂。</p> |