Piramal -Glycopyrrolate Injection, USP
Glycopyrrolate Injection, USP is a synthetic anticholinergic agent. Each 1 mL contains: Glycopyrrolate, USP 0.2 mg Water for Injection, USP q.s. Benzyl Alcohol, NF 0.9% (preservative) pH adjusted, when necessary, with hydrochloric acid. For Intramuscular (IM) or Intravenous (IV) administration. Glycopyrrolate is a quaternary ammonium salt with the following chemical name: 3[(cyclopentylhydroxyphenylacetyl)oxy]-1,1-dimethyl pyrrolidinium bromide. The molecular formula is C 19H 28BrNO 3 and the molecular weight is 398.33.
Glycopyrrolate occurs as a white, odorless crystalline powder. It is soluble in water and alcohol, and practically insoluble in chloroform and ether.
Unlike atropine, glycopyrrolate is completely ionized at physiological pH values. Glycopyrrolate Injection, USP is a clear, colorless, sterile liquid; pH 2.0 –3.0. The partition coefficient of glycopyrrolate in a n-octanol/water system is 0.304 (log 10 P= -1.52) at ambient room temperature (24°C).