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| CAS号 : | 2420-17-9 |
精确质量 : | 192.05300 |
| 分子式 : | C9H8N2O3 |
logP : | 0.93030 |
| 分子量 : | 192.17100 |
PSA : | 78.43000 |
对羟基苯海因 | |
5-(4-hydroxyphenyl)imidazolidine-2,4-dione | |
2420-17-9 | |
C9H8N2O3 | |
192.17100 | |
78.43000 | |
0.93030 | |
192.05300 |
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1.607
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白色粉末
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>260°C
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1.408
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TK7800000
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1
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8
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S22; S26; S36/37/39; S45
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III
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UN 2579 8/PG 3
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C
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R34; R42/43; R52/53
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2933990090
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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% |
<p>于合成对羟基苯甘氨酸，从而进一步制备半合成青霉素以及头孢菌素</p> |
