中药标准品
CAS号：482-27-9
品名：异茴芹内酯isopimpinellin
中文别名：异虎耳草素;异茴芹灵;5,8-二甲氧基补骨脂素;4,9-二甲氧基呋喃并[3,2-g]苯并吡喃-7-酮;
英文别名：5,8-Dimethoxypsoralen;4,9-Dimethoxyfuro[3,2-g]benzopyran-7-one;4,9-dimethoxyfuro[3,2-g]chromen-7-one;7H-Furo[3,2-g][1]benzopyran-7-one,4,9-dimethoxy-;Isopimpinellin;
分子式：C13H10O5
分子量：246.215
精确质量：246.053
Psa：61.81
密度：1.352g/cm3
沸点：448.7ºC at 760mmHg
熔点：150-151ºC
闪点：225.1ºC
折射率：1.611
蒸汽压：3.05E-08mmHg at 25°C
危险类别码：R20/21/22
简介：IsopimpinellinisanaturalproductsynthesizedbyUmbelliferae(orApiaceae),alsoknownasthecarrotorparsleyfamily.Itcanbefoundincelery,gardenangelica,parsnip,fruitsandintherindandpulpoflimes.TherehavebeenseveralstudieslookingintotheeffectsofIsopimpinellinandotherso-callednaturallyoccurringcoumarins(suchasbergamottinandImperatorin)asanticarcinogens.Thesestudieshaveshownpossibleinhibitionof7,12-Dimethylbenz(a)anthracene,whichareinitiatorsofskintumors.Evidencehasalsobeenreportedthatlinksthesecompoundstotheinhibitionofbreastcancers.
