SPL Set ID: ca9896e0-fb2e-46a4-8700-20d144c14764

Haloperidol decanoate is the decanoate ester of the butyrophenone, haloperidol. It has a markedly extended duration of effect. It is available as a colorless/pink to yellow amber solution in sesame oil in sterile form for intramuscular (IM) injection. The structural formula of haloperidol decanoate, 4-(4-chlorophenyl)-l-[4-(4-fluorophenyl)-4-oxobutyl]-4 piperidinyl decanoate, is: C 31 H 41 CIFNO 3 M.W. 530.12 Haloperidol decanoate is almost insoluble in water (0.01 mg/mL), but is soluble in most organic solvents. Each mL of haloperidol decanoate injection, 50 mg/mL, contains 50 mg haloperidol (present as haloperidol decanoate 70.52 mg) in a sesame oil vehicle, with 1.2% (w/v) benzyl alcohol as a preservative. Each mL of haloperidol decanoate injection, 100 mg/mL, contains 100 mg haloperidol (present as haloperidol decanoate 141.04 mg) in a sesame oil vehicle, with 1.2% (w/v) benzyl alcohol as a preservative. Structural Formula