Humulone (α-lupulic acid), a vinylogous type of organic acid, is a bitter-tasting chemical compound found in the resin of mature hops (Humulus lupulus). Humulone is a prevalent member of the class of compounds known as alpha acids, which collectively give hopped beer its characteristic bitter flavor.

CAS：26472-41-3
中文别名：
英文别名：(R)-3,5,6-Trihydroxy-2-isovaleryl-4,6-bis-(3-methyl-but-2-enyl)-cyclohexa-2,4-dienon;(R)-2.3.6-Trihydroxy-1.3-bis-(3-methyl-buten-(2)-yl)-5-isovaleryl-cyclohexadien-(1.5)-on-(4);Humulone,mixture of homologues;|A-Lupulic acid;(R)-3,5,6-trihydroxy-2-isovaleryl-4,6-bis-(3-methyl-but-2-enyl)-cyclohexa-2,4-dienone;Humulon;(6R)-3,5,6-trihydroxy-2-isovaleryl-4,6-bis(3-methylbut-2-enyl)cyclohexa-2,4-dienone;|A-Bitter acid;Humulone;2,4-Cyclohexadien-1-one, 3,5,6-trihydroxy-4,6-bis(3-methyl-2-butenyl)-2-(3-methyl-1-oxobutyl)-, (R)-;(R)-3,5,6-trihydroxy-4,6-bis(3-methyl-2-butenyl)-2-(3-methyl-1-oxobutyl)-2,4-cyclohexadien-1-one;
分子式：C21H30O5
分子量：362.46
精确质量：362.209
Psa：94.83
Logp：4.2522

UNII：KHB4767H3K

密度：1.157g/cm3
沸点：571.4ºC at 760mmHg
闪点：313.4ºC
折射率：1.558
储存条件：-20ºC
蒸汽压：1.95E-15mmHg at 25°C

WGK Germany：3