SPL Set ID: f16beb64-5878-486a-82ee-8e83e728f26c

Duloxetine hydrochloride is a selective serotonin and norepinephrine reuptake inhibitor (SNRI) for oral administration. Its chemical designation is (+)-( S )- N -methyl-γ-(1-naphthyloxy)-2-thiophenepropylamine hydrochloride. The molecular formula is C 18 H 19 NOS•HCl, which corresponds to a molecular weight of 333.88. The structural formula is: Duloxetine hydrochloride is a white to slightly brownish white solid, which is slightly soluble in water. Each capsule contains enteric-coated pellets of 20 mg, 30 mg, or 60 mg of duloxetine (equivalent to 22.4 mg, 33.7 mg, or 67.3 mg of duloxetine hydrochloride USP, respectively). These enteric-coated pellets are designed to prevent degradation of the drug in the acidic environment of the stomach. Inactive ingredients include sugar spheres, maize starch, hypromellose, mannitol, talc, sucrose, methacrylic acid co-polymer dispersion, triethyl citrate and sodium hydroxide. The capsule shells contain gelatin, sodium lauryl sulfate, titanium dioxide, FD & C Blue No. 2, and iron oxide yellow (20 mg and 60 mg). For 20 mg & 30 mg strengths, imprinting black ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, black iron oxide, potassium hydroxide, and purified water. For 60 mg strength, imprinting white ink contains shellac, dehydrated alcohol, isopropyl alcohol, butyl alcohol, propylene glycol, strong ammonia solution, titanium dioxide, potassium hydroxide, and purified water. spl-duloxetine-structure