Darolutamide and its Impurities
Darolutamide is used to treat certain types of prostate cancer that has not spread to other parts of the body in men who have not been helped by other medical treatments. It is sold under the brand name Nubeqa. Reference standards of Darolutamide API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(S)-5-Acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-1H-pyrazole-3-carboxamide
(S)-5-Acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-1H-pyrazole-3-carboxamide
Catalogue No.:PA 04 1941000
CAS :
1297537-33-7
Molecular Formula : C19H17ClN6O2
Molecular Weight : 396.84


N-((S)-1-(3-(3-Chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-(1-hydroxyethyl)-1-nitroso-1H-pyrazole-3-carboxamide
N-((S)-1-(3-(3-Chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-(1-hydroxyethyl)-1-nitroso-1H-pyrazole-3-carboxamide
Catalogue No.:PA 04 1941001
CAS :
NA
Molecular Formula : C19H18ClN7O3
Molecular Weight : 427.85


(S)-5-Acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-1-nitroso-1H-pyrazole-3-carboxamide
(S)-5-Acetyl-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-1-nitroso-1H-pyrazole-3-carboxamide
Catalogue No.:PA 04 1941003
CAS :
NA
Molecular Formula : C19H16ClN7O3
Molecular Weight : 425.83


N-((S)-1-(3-(4-Carbamoyl-3-chlorophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamide
N-((S)-1-(3-(4-Carbamoyl-3-chlorophenyl)-1H-pyrazol-1-yl)propan-2-yl)-5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamide
Catalogue No.:PA 04 1941008
CAS :
NA
Molecular Formula : C19H21ClN6O3
Molecular Weight : 416.87


N-((S)-1-(3-(3-Chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl-2,3,3,3-d4)-5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamide
N-((S)-1-(3-(3-Chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl-2,3,3,3-d4)-5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamide
Catalogue No.:PA STI 089899
CAS :
2484757-19-7
Molecular Formula : C19H15D4ClN6O2
Molecular Weight : 402.88


2-Chloro-4-(1-((2S)-2-(5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamido)propyl)-1H-pyrazol-3-yl)benzoic Acid
2-Chloro-4-(1-((2S)-2-(5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamido)propyl)-1H-pyrazol-3-yl)benzoic Acid
Catalogue No.:PA 04 1941017
CAS :
NA
Molecular Formula : C19H20ClN5O4
Molecular Weight : 417.85