artemisinin and its Impurities
Artemisinin can be used alone, but this leads to a high rate of recrudescence and other drugs are required to clear the body of all parasites and prevent recurrence.. Reference standards of Artemisinin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below


(2aR,2a1S,5R,5aS,8aR)-5,8-Dimethyl-2a,2a1,3,4,5,5a,6,8a-octahydro-2H-naphtho[1,8-bc]furan-2-one
(2aR,2a1S,5R,5aS,8aR)-5,8-Dimethyl-2a,2a1,3,4,5,5a,6,8a-octahydro-2H-naphtho[1,8-bc]furan-2-one
Catalogue No.:PA 01 99540
CAS :
82442-48-6
Molecular Formula : C13H18O2
Molecular Weight : 206.28


(1aR,1bR,4aS,7S,7aS,9aR)-7,9a-Dimethyl-4-methyleneoctahydro-1aH-oxireno[2',3':7,8]naphtho[8a,1-b]furan-3(4H)-one
(1aR,1bR,4aS,7S,7aS,9aR)-7,9a-Dimethyl-4-methyleneoctahydro-1aH-oxireno[2',3':7,8]naphtho[8a,1-b]furan-3(4H)-one
Catalogue No.:PA 01 99550
CAS :
2749359-68-8
Molecular Formula : C15H20O3
Molecular Weight : 248.32


(2S,3R,6RS)-2-(3-Oxobutyl)-3-methyl-6-[(R)-2-propanal]cyclohexanone Mixture of Diastereomers
(2S,3R,6RS)-2-(3-Oxobutyl)-3-methyl-6-[(R)-2-propanal]cyclohexanone Mixture of Diastereomers
Catalogue No.:PA 01 99560
CAS :
1093625-96-7
Molecular Formula : C14H22O3
Molecular Weight : 238.32


Artemisinin ((3R,5aS,6R,8aS,9R,12S,12aR)-Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2 (1042747)
Artemisinin ((3R,5aS,6R,8aS,9R,12S,12aR)-Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2 (1042747)
Catalogue No.:PA USP1042747
CAS :
63968-64-9
Molecular Formula : NA
Molecular Weight : NA


(2R,3aS,6R,6aS,9R,10aR)-2-Methoxy-6,9-dimethyl-3-methylenedecahydro-2H-naphtho[8a,1-b]furan-9-ol
(2R,3aS,6R,6aS,9R,10aR)-2-Methoxy-6,9-dimethyl-3-methylenedecahydro-2H-naphtho[8a,1-b]furan-9-ol
Catalogue No.:PA 01 0991004
CAS :
NA
Molecular Formula : C16H26O3
Molecular Weight : 266.38


(3R,5aS,6R,8aS,10R,12R,12aR)-10-Methoxy-3,6-dimethyl-9-methylenedecahydro-12H-3,12-epoxy[1,2]dioxepino[4,3-i]isochromene
(3R,5aS,6R,8aS,10R,12R,12aR)-10-Methoxy-3,6-dimethyl-9-methylenedecahydro-12H-3,12-epoxy[1,2]dioxepino[4,3-i]isochromene
Catalogue No.:PA 01 0991006
CAS :
NA
Molecular Formula : C16H24O5
Molecular Weight : 296.36


(3R,3aS,3a1R,6R,6aS,9S,10aS)-3,6,9-Trimethyloctahydro-10aH-3a1,9-epoxyoxepino[4,3,2-ij]isochromen-2(3H)-one
(3R,3aS,3a1R,6R,6aS,9S,10aS)-3,6,9-Trimethyloctahydro-10aH-3a1,9-epoxyoxepino[4,3,2-ij]isochromen-2(3H)-one
Catalogue No.:PA 01 0991018
CAS :
1924633-95-3
Molecular Formula : C15H22O4
Molecular Weight : 266.34


2-((1S,3S,4R,Z)-4-Methyl-3-(2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethyl)-2-((trimethylsilyl)methylene)cyclohexyl)acetic Acid
2-((1S,3S,4R,Z)-4-Methyl-3-(2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethyl)-2-((trimethylsilyl)methylene)cyclohexyl)acetic Acid
Catalogue No.:PA 01 0991019
CAS :
116399-92-9
Molecular Formula : C22H40O4Si
Molecular Weight : 396.64


(S)-((5R,6S)-5-Methyl-6-(2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethyl)cyclohex-1-en-1-yl)(trimethylsilyl)methyl acetate
(S)-((5R,6S)-5-Methyl-6-(2-(2,5,5-trimethyl-1,3-dioxan-2-yl)ethyl)cyclohex-1-en-1-yl)(trimethylsilyl)methyl acetate
Catalogue No.:PA 01 0991020
CAS :
116399-91-8
Molecular Formula : C22H40O4Si
Molecular Weight : 396.64