psoralidin
- 中文别名:补骨脂定
- 中文释义:补骨脂定;补骨酯定
- 英文别名:psoralidin;
Psoralidin;
3,9-Dihydroxy-2-prenylcoumestan;
3,9-dihydroxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one
- CAS No.:18642-23-4
- 分子式:
C20H16O5
- 分子量:336.33800
- 精确分子量:336.10000
- PSA:83.81000
- InChI:InChI=1/C20H16O5/c1-10(2)3-4-11-7-14-17(9-15(11)22)25-20(23)18-13-6-5-12(21)8-16(13)24-19(14)18/h3,5-9,21-22H,4H2,1-2H3
- 分子结构式:
物化性质
- 密度:
- 1.383g/cm3
- 沸点:
- 458.8ºC at 760mmHg
- 闪点:
- 231.3ºC
- 折射率:
- 1.688
- 蒸汽压:
- 4.89E-09mmHg at 25°C
安全信息
- 密度:
- 1.383g/cm3
- 沸点:
- 458.8ºC at 760mmHg
- 闪点:
- 231.3ºC
- 折射率:
- 1.688
- 蒸汽压:
- 4.89E-09mmHg at 25°C
海关数据
中国海关编码:2932999099
- 概述:
- 2932999099. 其他仅含氧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%
- 申报要素:
- 品名, 成分含量, 用途
- 摘要/Summary:
- 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
热门化工词典词汇
- 5-methylsulfonylthiophene-2-carbaldehyde5-(甲基磺酰基)-2-噻吩甲醛
- 3,4-dibromonaphthalene-1,2-dione3,4-二溴-1,2-萘二酮
- 1,1'-(1,3-Propanediyl)bis[1,1-bis(2-methoxy-5-methylphenyl)phosphine]1,1'-(1,3-丙二基)双[1,1-双(2-甲氧基-5-甲基苯基)膦]
- 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-methyl-5-METHYLPYRIMIDINE-2,4,6(1H,3H,5H)-TRIONE
- 3-Pyridinemethanol,5,6-dichloro-5,6-二氯-3-嘧啶甲醇
- 2-Propenoicacid,2-hydroxyethylester,polymerwith.alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl)and1,1-methylenebis[42-丙烯酸-2-羟乙基酯与&alpha
- 1-bromo-6-methylcyclohexene1-溴-6-甲基环己烯
- dimethyl bicyclo[2.2.1]heptane-2,3-dicarboxylatedimethyl bicyclo[2.2.1]heptane-2,3-dicarboxylate
- 4-(6-Methoxy-pyriMidin-4-ylaMino)-piperidine-1-carboxylic acid tert-butyl ester4-(6-甲氧基-嘧啶-4-基氨基)-哌啶-1-羧酸叔丁基酯
- 5-(1-ethyl-5-methylpyrazol-4-yl)-1,2-oxazole-3-carboxylic acid5-(1-乙基-5-甲基-1H-吡唑-4-基)-异恶唑-3-羧酸