| | Identification | Back Directory |  | [Name] 
 8H-Benzo[g]-1,3-benzodioxolo[5,6-a]quinolizin-8-one, 5,6-dihydro-11,12-dimethoxy
 |  | [CAS] 
 81397-08-2
 |  | [Synonyms] 
 8-Keto-berberine
 8H-Benzo[g]-1,3-benzodioxolo[5,6-a]quinolizin-8-one, 5,6-dihydro-11,12-dimethoxy
 |  | [Molecular Formula] 
 C20H17NO5
 |  | [MOL File] 
 81397-08-2.mol
 |  | [Molecular Weight] 
 351.35
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 230-231 °C
 |  | [Boiling point ] 
 619.4±55.0 °C(Predicted)
 |  | [density ] 
 1.44±0.1 g/cm3(Predicted)
 |  | [storage temp. ] 
 Store at -20°C
 |  | [solubility ] 
 Soluble in DMSO
 |  | [pka] 
 -1.63±0.20(Predicted)
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 8-Keto-berberine (compound 29) is a non-naturally occurring 11, 12-oxygenated protoberberine derived from naturally occurring 9, 10-oxygenated protoberberine[1].
 |  | [References] 
 [1] Miyoji Hanaoka, et al. Chemical transformation of protoberberines.  VI.  Ring D inversion of protoberberine alkaloids.  Conversion of berberine into nonnaturally occurring 11,12-oxygenated protoberberines via spirobenzylisoquinolines. Chem.Pharm.Bull.1984;32(11):4431-4436.
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