misoprostol and its Impurities
Misoprostol used to reduce the risk of NSAID related ulcers, manage miscarriages, prevent post partum hemorrhage, and also for first trimester abortions. It is a prostaglandin analog. It is available as a generic medication. Reference standards of Misoprostol API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


7-((1R,2R,3R)-3-Hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoic Acid
7-((1R,2R,3R)-3-Hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoic Acid
Catalogue No.:PA 40 0091000
CAS :
112137-89-0
Molecular Formula : C21H36O5
Molecular Weight : 368.51


Methyl 7-((1R,2R,3R)-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxo-3-((trimethylsilyl)oxy)cyclopentyl)heptanoate
Methyl 7-((1R,2R,3R)-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxo-3-((trimethylsilyl)oxy)cyclopentyl)heptanoate
Catalogue No.:PAI 40 009001
CAS :
NA
Molecular Formula : C25H46O5Si
Molecular Weight : 454.72


7-((1R,2R,3R)-2-((E)-4-Hydroxy-4-methyloct-1-en-1-yl)-5-oxo-3-((trimethylsilyl)oxy)cyclopentyl)heptanoic Acid
7-((1R,2R,3R)-2-((E)-4-Hydroxy-4-methyloct-1-en-1-yl)-5-oxo-3-((trimethylsilyl)oxy)cyclopentyl)heptanoic Acid
Catalogue No.:PAI 40 009002
CAS :
NA
Molecular Formula : C24H44O5Si
Molecular Weight : 440.7


Methyl 7-((1R,2R,3R)-3-((tert-butyldimethylsilyl)oxy)-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoate
Methyl 7-((1R,2R,3R)-3-((tert-butyldimethylsilyl)oxy)-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoate
Catalogue No.:PAI 40 009004
CAS :
NA
Molecular Formula : C28H52O5Si
Molecular Weight : 496.8


Methyl 7-((1R,2R,3R)-3-((tert-butyldimethylsilyl)oxy)-5-hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoate
Methyl 7-((1R,2R,3R)-3-((tert-butyldimethylsilyl)oxy)-5-hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoate
Catalogue No.:PAI 40 009005
CAS :
NA
Molecular Formula : C28H54O5Si
Molecular Weight : 498.82


7-((1R,2R,3R)-3-((tert-Butyldimethylsilyl)oxy)-5-hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoic Acid
7-((1R,2R,3R)-3-((tert-Butyldimethylsilyl)oxy)-5-hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoic Acid
Catalogue No.:PAI 40 009006
CAS :
NA
Molecular Formula : C27H52O5Si
Molecular Weight : 484.79


7-((1R,2R,3R)-3-((tert-Butyldimethylsilyl)oxy)-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoic Acid
7-((1R,2R,3R)-3-((tert-Butyldimethylsilyl)oxy)-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoic Acid
Catalogue No.:PAI 40 009007
CAS :
NA
Molecular Formula : C27H50O5Si
Molecular Weight : 482.78


Methyl 7-((1R,2R,3R)-3,5-dihydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoate
Methyl 7-((1R,2R,3R)-3,5-dihydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoate
Catalogue No.:PAI 40 009008
CAS :
NA
Molecular Formula : C22H40O5
Molecular Weight : 384.56


(3R,4R,5R)-4-((E)-4-Hydroxy-4-methyloct-1-en-1-yl)-5-(7-methoxy-7-oxoheptyl)cyclopentane-1,3-diyl bis(4-nitrobenzoate)
(3R,4R,5R)-4-((E)-4-Hydroxy-4-methyloct-1-en-1-yl)-5-(7-methoxy-7-oxoheptyl)cyclopentane-1,3-diyl bis(4-nitrobenzoate)
Catalogue No.:PAI 40 009009
CAS :
NA
Molecular Formula : C36H46N2O11
Molecular Weight : 682.77


Methyl 7-((1R,2R,3S)-3,5-dihydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoate
Methyl 7-((1R,2R,3S)-3,5-dihydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)cyclopentyl)heptanoate
Catalogue No.:PAI 40 009010
CAS :
NA
Molecular Formula : C22H40O5
Molecular Weight : 384.56


(1S,2R,3R)-2-((E)-4-Hydroxy-4-methyloct-1-en-1-yl)-3-(7-methoxy-7-oxoheptyl)-4-oxocyclopentyl 4-nitrobenzoate
(1S,2R,3R)-2-((E)-4-Hydroxy-4-methyloct-1-en-1-yl)-3-(7-methoxy-7-oxoheptyl)-4-oxocyclopentyl 4-nitrobenzoate
Catalogue No.:PAI 40 009011
CAS :
NA
Molecular Formula : C29H41NO8
Molecular Weight : 531.65