Scientific information on chemical compounds included in crude drugs
Columbamine

Molecular formula C20H20NO4+
Average molecular mass
(Molecular weight)
338.4
Exact molecular mass 338.139233 
[M+H]+ 339.147 
[M-H]- 337.131 
CAS  
NIKKAJI  
PUBCHEM No. 72310
Crude drug Corydalis Tuber
IUPAC_NAME 3,9,10-trimethoxy-5,6-dihydroisoquinolino[2,1-b]isoquinolin-7-ium-2-ol
Remarks InChIKey (PubChem): YYFOFDHQVIODOQ-UHFFFAOYSA-O