合成
CAS号:52809-07-1
品名:使君子氨酸(+)-QuisqualicAcid
中文别名:L-使君子氨酸;
英文别名:L-Quisqualicacid,(L)-(+)-α-Amino-3,5-dioxo-1,2,4-oxadiazolidine-2-propanoicacid;
分子式:C5H7N3O5
分子量:189.126
精确质量:189.039
Psa:131.32
MDL号:MFCD00069337
外观与性状:白色粉末
密度:1.679g/cm3
熔点:185-187ºC dec.
折射率:1.571
稳定性:Stable. Incompatible with strong oxidizing agents.
储存条件:2-8ºC
安全说明:S26; S36
危险类别码:R20/21/22
海关编码:2934999090
危险品标志:Xn
信号词:Warning
危险性防范说明:P280
危险标志:GHS07
危险性描述:H302; H312; H332
简介:QuisqualicacidisanagonistoftheAMPA,kainate,andgroupImetabotropicglutamatereceptors,andoneofthemostpotentAMPAreceptoragonistsknown.Itcausesexcitotoxicityandisusedinneurosciencetoselectivelydestroyneuronsinthebrainorspinalcord.QuisqualicacidoccursnaturallyintheseedsofQuisqualisspecies.[α]20D=+17(6MHCl);ResearchconductedbytheUSDAAgriculturalResearchService,hasdemonstratedquisqualicacidisalsopresentwithintheflowerpetalsofzonalgeranium(Pelargoniumxhortorum)andisresponsibleforcausingrigidparalysisoftheJapanesebeetle.QuisqualicacidisthoughttomimicL-glutamicacid,whichisaneurotransmitterintheinsectneuromuscularjunctionandmammaliancentralnervoussystem.
用途:生化研究,使君子酸受体的兴奋剂,拮抗谷氨酸能竞争中枢神经元的谷氨酸受体。