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| CAS号 : | 66376-36-1 |
精确质量 : | 249.01700 |
| 分子式 : | C4H13NO7P2 |
logP : | -0.57290 |
| 分子量 : | 249.09600 |
PSA : | 180.93000 |
阿仑膦酸 | |
alendronic acid | |
66376-36-1 | |
C4H13NO7P2 | |
249.09600 | |
180.93000 | |
-0.57290 | |
249.01700 |
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白色结晶粉末
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326.7ºC
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616.7ºC at 760 mmHg
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230-235ºC
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1.857 g/cm3
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SZ6521833
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2931900090
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2931900090. Other organo-inorganic compounds |
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2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0% |
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2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
1.将1mol 4-氨基丁酸加入95℃的熔融的1.5mol磷酸,然后在60min中滴加2mol三卤化磷。当反应物硬化后,再加热3h。加入300ml水进行水解,冷却后倾入1500ml甲醇,收集沉淀,得到64.6%的阿仑膦酸。 | |
适应症:用于治疗绝经后妇女的骨质疏松症,以预防髋部和脊柱骨折。 |