tafluprost and its Impurities
An analog of prostaglandin which is used in the treatment of oen angle glaucoma.Tafluprost works by reducing the intraocular pressure by increasing the outflow of aqueous fluid from the eyes. It is a rodrug of its active form Tafluprost acid.Reference standards of Tafluprost API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((E)-3-fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((E)-3-fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121000
CAS :
2587078-46-2
Molecular Formula : C25H35FO5
Molecular Weight : 434.55


Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((S,E)-3-fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((S,E)-3-fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121001
CAS :
733036-95-8
Molecular Formula : C25H35FO5
Molecular Weight : 434.55


Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((R,E)-3-fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((R,E)-3-fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121002
CAS :
733036-94-7
Molecular Formula : C25H35FO5
Molecular Weight : 434.55


4-Bromobutyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate
4-Bromobutyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121003
CAS :
2278245-92-2
Molecular Formula : C27H41BrO5
Molecular Weight : 525.52


4-(Nitrooxy)butyl (E)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate
4-(Nitrooxy)butyl (E)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121004
CAS :
2099033-66-4
Molecular Formula : C27H41NO8
Molecular Weight : 507.62


4-(Nitrooxy)butyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((S)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate
4-(Nitrooxy)butyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((S)-3-hydroxy-5-phenylpentyl)cyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121005
CAS :
2099033-64-2
Molecular Formula : C27H41NO8
Molecular Weight : 507.62


Isopropyl (E)-7-((1R,2R,3R,5S)-2-((E)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Isopropyl (E)-7-((1R,2R,3R,5S)-2-((E)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121006
CAS :
1563176-58-8
Molecular Formula : C25H34F2O5
Molecular Weight : 452.54


Isopropyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((E)-3,3,4-trifluoro-4-phenoxybut-1-en-1-yl)cyclopentyl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((E)-3,3,4-trifluoro-4-phenoxybut-1-en-1-yl)cyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121007
CAS :
NA
Molecular Formula : C25H33F3O5
Molecular Weight : 470.53


Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((1E,3E)-3-fluoro-4-phenoxybuta-1,3-dien-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,3R,5S)-2-((1E,3E)-3-fluoro-4-phenoxybuta-1,3-dien-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121008
CAS :
2920059-97-6
Molecular Formula : C25H33FO5
Molecular Weight : 432.53


(Z)-7-((1R,2R,3R,5S)-2-((E)-3-Fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoic Acid
(Z)-7-((1R,2R,3R,5S)-2-((E)-3-Fluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoic Acid
Catalogue No.:PA 47 0121009
CAS :
NA
Molecular Formula : C22H29FO5
Molecular Weight : 392.47


(E)-7-((1R,2R,3R,5S)-2-((E)-3,3-Difluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoic Acid
(E)-7-((1R,2R,3R,5S)-2-((E)-3,3-Difluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoic Acid
Catalogue No.:PA 47 0121010
CAS :
2128308-51-8
Molecular Formula : C22H28F2O5
Molecular Weight : 410.46


Isopropyl (Z)-7-((1R,2R,3R,5R)-2-((E)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,3R,5R)-2-((E)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-3,5-dihydroxycyclopentyl)hept-5-enoate
Catalogue No.:PA 47 0121011
CAS :
NA
Molecular Formula : C25H34F2O5
Molecular Weight : 452.54


(3aR,4R,5R,6aS)-2-Oxo-4-((Z)-3-oxo-4-phenoxybut-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-5-yl benzoate
(3aR,4R,5R,6aS)-2-Oxo-4-((Z)-3-oxo-4-phenoxybut-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-5-yl benzoate
Catalogue No.:PA 47 0121015
CAS :
2964393-53-9
Molecular Formula : C24H22O6
Molecular Weight : 406.43


Isopropyl (Z)-7-((1R,2R,5S)-2-((E)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-5-hydroxycyclopent-3-en-1-yl)hept-5-enoate
Isopropyl (Z)-7-((1R,2R,5S)-2-((E)-3,3-difluoro-4-phenoxybut-1-en-1-yl)-5-hydroxycyclopent-3-en-1-yl)hept-5-enoate
Catalogue No.:PA 47 0121016
CAS :
3053430-39-7
Molecular Formula : C25H32F2O4
Molecular Weight : 434.52


(3aR,4R,5R,6aS)-5-Hydroxy-4-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one
(3aR,4R,5R,6aS)-5-Hydroxy-4-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one
Catalogue No.:PA 47 0121014
CAS :
41639-74-1
Molecular Formula : C18H22O4
Molecular Weight : 302.37