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![五环[6.6.6.02,7.09,14.015,20]二十碳-2,4,6,9,11,13,15,17,19-九烯-4-甲醛结构式](https://www.chemicalbook.com/CAS/GIF/38303-29-6.gif)
| CAS号 : | 38303-29-6 |
精确质量 : | 282.10400 |
| 分子式 : | C21H14O |
logP : | 4.48630 |
| 分子量 : | 282.33500 |
PSA : | 17.07000 |
五环[6.6.6.02,7.09,14.015,20]二十碳-2,4,6,9,11,13,15,17,19-九烯-4-甲醛 | |
pentacyclo[6.6.6.0{2,7}.0{9,14}.0{15.20}]icosa-2,4,6,9,11,13,15,17,19-nonaen-4-carbaldehyde | |
38303-29-6 | |
C21H14O | |
282.33500 | |
17.07000 | |
4.48630 | |
282.10400 |
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1.712
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229.3ºC
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422.7ºC at 760 mmHg
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1.26g/cm3
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2912299000
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品名, 成分含量, 用途, 四聚甲醛报明外观 |
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2912299000. 其他不含其他含氧基的环醛. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
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2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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2912299000. 其他环醛 |
