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| CAS号 : | 33549-66-5 |
精确质量 : | 253.86900 |
| 分子式 : | C4H4Br2N2O |
logP : | 0.74260 |
| 分子量 : | 255.89500 |
PSA : | 41.46000 |
4,4-二溴-3-甲基-2-吡唑啉-5-酮 | |
4,4-dibromo-3-methyl-1H-pyrazol-5-one | |
33549-66-5 | |
C4H4Br2N2O | |
255.89500 | |
41.46000 | |
0.74260 | |
253.86900 |
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1.71
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129-132ºC
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2.44g/cm3
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2933199090
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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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