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- •BiolPsychiatry.2017May1;81(9):737-747.
Description | ClozapineN-oxideisapharmacologicallyinertmetaboliteofClozapine,whichisapotent5-HT1Creceptorantagonist.ClozapineN-oxide(CNO)isaDREADD(designerreceptorsexclusivelyactivatedbydesignerdrug)agonist. |
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InVivo | Afterasingleintraperitoneal(i.p.)injectionofClozapineN-oxide(1mg/kg)intomice,ClozapineN-oxide(CNO)plasmalevelspeakat15minandareverylowafter2h.AcutelyadministeredCNOcanbemetabolicallyconvertedtoClozapineinotherspeciessuchashumanandguinea-pig.ThemetabolitesthatmayformafterchronicadministrationofCNOtoDREADD-expressingmice(orotherspecies)havenotbeenstudiedsystematically.However,evenifback-transformationtoClozapineoccursafterchronicCNOadministration,itshouldbenotedthatClozapineisamorepotent(by~10-fold)DREADDagonistthanCNOitself.Moreover,confoundingBIOLOGicaleffectsofpotentialCNOmetabolitescanbeeasilyidentifiedbyincludingbothsaline-andCNO-treatedWTanimalsinaparticularDREADDstudy.Despitetheshortplasmahalf-lifeofCNOinmice,thebiologicaleffectsthathavebeendescribedafteracutetreatmentofDREADD-expressingexperimentalanimalsareusuallymuchlonger(6-10h).OnepossibilityisthatCNOtendstoaccumulateintissues,althoughotherscenariosarealsofeasIBLe[1].Usingageneralpharmacokineticmodelfortheinterconversionprocess,themeantotalclearancesofClozapineandClozapineN-oxide(CNO)are28.45L/hrand45.30L/hr,respectively[2]. |
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MolecularWeight | 342.82 | ||||||||||||
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Formula | C₁₈H₁₉ClN₄O | ||||||||||||
CASNo. | 34233-69-7 | ||||||||||||
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Shipping | RoomtemperatureincontinentalUS;mayvaryelsewhere | ||||||||||||
Solvent&Solubility | 10mMinDMSO *"<1 mg/ml"="" means="" slightly="" soluble="" or="" insoluble.="" "≥"="" means="" soluble,="" but="" saturation="">1> Purity:99.98%
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