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| CAS号 : | 68-41-7 |
精确质量 : | 102.04300 |
| 分子式 : | C3H6N2O2 |
logP : | -0.59580 |
| 分子量 : | 102.09200 |
PSA : | 64.35000 |
D-环丝氨酸 | |
3-Isoxazolidinone,4-amino-, (4R)- | |
68-41-7 | |
C3H6N2O2 | |
102.09200 | |
64.35000 | |
-0.59580 | |
102.04300 |
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白色至灰白色粉末
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Stable under normal temperatures and pressures.
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-20ºC
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147ºC
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1.278 g/cm3
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267ºC
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2934999090
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R5
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S24/25
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Xn
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品名, 成分含量, 用途 |
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2934999090. 其他杂环化合物. 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% |
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2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
环丝氨酸可用发酵法或直接合成法制备。发酵法产生菌是赖氏放线菌(Actinomyces laven-dulae),发酵培养基为糊精、葡萄糖、淀粉、黄豆饼粉、酵母粉、硫酸铵、硝酸铵、碳酸钙、氯化钠、硫酸镁和豆油等。合成法是将β-氨基氧丙氨酸乙酯二盐酸盐和氢氧化钾反应,即环合得到环丝氨酸。 | |
抗菌素类药。用于耐药性结核杆菌的感染。 |
