One hundred c.c. represent 10 gm. strophanthus in approximately 65 per cent, of alcohol. It is nearly identical with the international standard tincture of strophanthus.

Dosage: 0.5 c.c. or 8 minims. For intramuscular or intravenous injection a much smaller dose should be given, not more than 0.12 c.c. or 2 minims, as a rule.