HEMABATE Sterile Solution, an oxytocic, contains the tromethamine salt of the (15S)-15 methyl analogue of naturally occurring prostaglandin F2α in a solution suitable for intramuscular injection.
Carboprost tromethamine is the established name for the active ingredient in HEMABATE. Four other chemical names are:
The structural formula is represented below:
The molecular formula is C25H47O8N. The molecular weight of carboprost tromethamine is 489.64. It is a white to slightly off-white crystalline powder. It generally melts between 95° and 105° C, depending on the rate of heating.
Carboprost tromethamine dissolves readily in water at room temperature at a concentration greater than 75 mg/mL.
HEMABATE Sterile Solution contains carboprost tromethamine equivalent to 250 mcg/mL of carboprost, and also contains tromethamine 83 mcg, sodium chloride 9 mg, and benzyl alcohol 9.45 mg added as preservative. When necessary, pH is adjusted with sodium hydroxide and/or hydrochloric acid. The solution is sterile.
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