MIOCHOL® -E (acetylcholine chloride intraocular solution) is a parasympathomimetic preparation for intraocular use. It is packaged in a blister pack containing one vial and one ampoule. The vial contains 20 mg acetylcholine chloride and 56 mg mannitol. The accompanying ampoule contains 2 mL of a modified diluent of sodium acetate trihydrate, potassium chloride, magnesium chloride hexahydrate, calcium chloride dihydrate and sterile water for injection.

The reconstituted liquid will be a sterile isotonic solution (275-330 milliosmoles/Kg) containing 20 mg acetylcholine chloride (1:100 solution) and 2.8% mannitol. The pH range is 5.0-8.2. Mannitol is used in the process of lyophilizing acetylcholine chloride, and is not considered an active ingredient.

The chemical name for acetylcholine chloride, C₇H₁₆ClNO₂, is Ethanaminium, 2-(acetyloxy)-N,N,N-trimethyl-, chloride and is represented by the following chemical structure:

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