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| CAS号 : | 5527-76-4 |
精确质量 : | 248.06800 |
| 分子式 : | C13H12O5 |
logP : | 1.97830 |
| 分子量 : | 248.23100 |
PSA : | 65.74000 |
5-甲氧基-4-氧代-1,4-二氢萘-2-羧酸乙酯 | |
ethyl 5-methoxy-4-oxochromene-2-carboxylate | |
5527-76-4 | |
C13H12O5 | |
248.23100 | |
65.74000 | |
1.97830 | |
248.06800 |
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1.555
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213.2ºC
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1.284g/cm3
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382.9ºC at 760 mmHg
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2918990090
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HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives |
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品名, 成分含量, 用途 |
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2918990090. 其他含其他附加含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 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:30.0% |
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2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
