Pseudoephedrine hydrochloride is a decongestant having the chemical name
ethyl],-,[S~(R*,R*)], hydrochloride with the following structural
Empirical formula is C10H15NO HCl.
Molecular Weight is 201.70.
Guaifenesin is an expectorant having the chemical name 1,2- propanediol,
3-(2-methoxyphenyoxy)- with the following structural formula:
Empirical formula is C10H14O4.
Molecular Weight is 198.22.
Each extended-release tablet for oral administration contains 120 mg
pseudoephedrine hydrochloride and 600 mg guaifenesin. Tablets also contain
as inactive ingredients: carnauba wax, colloidal silicon dioxide, hydroxypropyl
cellulose, hydroxypropyl methylcellulose, magnesium stearate, microcrystalline
cellulose, polyethylene glycol, polysorbate 80, titanium dioxide, FD&C
Blue #1 Aluminum Lake, and D&C Yellow #10 Aluminum Lake.