an antiarrhythmic (classes I and IV), belonging to a novel structural class.

Steroid alkaloid C₃₁H₄₉NO₅ from plants of the Liliaceae family.

• Molecular Weight : 515 Da.
  
  
• Solubility in : well in ethanol and chloroform.
  
  
• Purity min. : 96 % (TLC, mass spectrometry).
  
  
• Biological Activity : effective against arrhythmia caused by Aconitine, CaCl2, electric stimulation of the ventricles or ligature of the aorta; recommended dose for one cycle of experiment on mice: 3.0-30.0 mg/kg, intravenously.
  
  
• Toxicity (LD₅₀) : mice (i.v.): 81 mg/kg. (67.0 - 98.0)
  
  
• Storage recommendations : Store at +4°C, in dark place; solution for use: 10-5-10-2 g/ml.
  
  
• CAS Reg. No. : 21851-07-0
  
  
• Bibliography :
  
  1. Nurridinov et al., Chem. Nat. Comp. (1968). 4:258