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| CAS号 : | 55804-67-6 |
精确质量 : | 283.12100 |
| 分子式 : | C17H17NO3 |
logP : | 2.75940 |
| 分子量 : | 283.32200 |
PSA : | 50.52000 |
香豆素 334 | |
Coumarin 334 | |
55804-67-6 | |
C17H17NO3 | |
283.32200 | |
50.52000 | |
2.75940 | |
283.12100 |
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1.647
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292.4ºC
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181-184 °C(lit.)
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1.33g/cm3
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可忽略
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559.8ºC at 760mmHg
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2934999090
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3
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R20/21/22; R36/37/38
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37/39-26
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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: |
