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| CAS号 : | 153-94-6 |
精确质量 : | 204.09000 |
| 分子式 : | C11H12N2O2 |
logP : | 1.82260 |
| 分子量 : | 204.22500 |
PSA : | 79.11000 |
D-色氨酸 | |
D-tryptophan | |
153-94-6 | |
C11H12N2O2 | |
204.22500 | |
79.11000 | |
1.82260 | |
204.09000 |
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白色或黄色结晶粉末
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447.9ºC at 760 mmHg
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282-285ºC
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1.362 g/cm3
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4.27E-07mmHg at 25°C
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Stable. Incompatible with oxidizing agents.
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Store at RT.
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YN6129000
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S24/25
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2933990090
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Xi
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R36/37/38
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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>以DL-色氨酸为原料,冷却状态下加入氯乙酸酐反应,经硫酸酸化后在冰水中研磨,过滤后水中重结晶,最后用胰羧肽酶处理,除去L-型,乙酸酸化、乙醇重结晶精制而得。</p> | |
<p>是重要的营养剂，医药上用作癞皮病的防治剂。</p> |
