Rhynchophylline

Chem.Name: Corynixan-16-carboxylic acid，16，17-didehydro-17-methoxy- 2-oxo-，methyl ester，（7B，16E，20a）-

Systematic name: methyl(7β,16E,20α)-16-(methoxymethylene)- 2-oxocorynoxan- 17-oate

Molecular formula: C22H28N2O4

Molecular weight: 384.46872  
CAS No: 76-66-4

melting point : 216ºC.

Solubility :It is soluble in chloroform, alcohol,benzene, slightly soluble  in ether  and acetic ether,insoluble in petroleum .

Rhynchophylline is an alkaloid found in certain Uncaria species, notably Uncaria rhynchophyllaand Uncaria tomentosa.It is a non-competitive NMDA antagonist and calcium channel blocker