droperidol and its Impurities
Droperidol used as an antiemetic and as an antipsychotic. It is used in conjunction with an opioid analgesic such as fentanyl to maintain the patient in a calm state of neuroleptanalgesia with indifference to surroundings but still able to cooperate with the surgeon.. Reference standards of Droperidol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


4-Desfluoro-4-[4-(2-Oxo-2,3-dihydro-1H-benzimidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl] Droperidol-d4
4-Desfluoro-4-[4-(2-Oxo-2,3-dihydro-1H-benzimidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl] Droperidol-d4
Catalogue No.:PA STI 027670
CAS :
1346604-49-6
Molecular Formula : C34H30D4N6O3
Molecular Weight : 578.70


Droperidol - Impurity E
1-(1-(4-(4-(4-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl)butanoyl)phenyl)-1,2,3,6-tetrahydropyridin-4-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one
Catalogue No.:PA 31 0270050
CAS :
1346604-17-8
Molecular Formula : C34H34N6O3
Molecular Weight : 574.69