galanthamine and its Impurities
It is an impurity of Galantamine, a reversible, competitive acetylcholinesterase inhibitor, it is used in the treatment for Alzheimer’s disease. Reference standards of Galanthamine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(1aR,2R,3aS,11aS,11bS)-2-Hydroxy-5-methoxy-9-methyl-2,3,3a,8,9,10,11,11b-octahydro-1aH-oxireno[2'',3'':3',4']benzo[1',2':2,3]benzofuro[4,3-cd]azepine 9-oxide
(1aR,2R,3aS,11aS,11bS)-2-Hydroxy-5-methoxy-9-methyl-2,3,3a,8,9,10,11,11b-octahydro-1aH-oxireno[2'',3'':3',4']benzo[1',2':2,3]benzofuro[4,3-cd]azepine 9-oxide
Catalogue No.:PA 07 02630
CAS :
NA
Molecular Formula : C17H21NO5
Molecular Weight : 319.35
(4aR,6R,8aS)-3-Methoxy-11-methyl-5,6,7,8,9,10,11,12-octahydro-4aH-benzo[2,3]benzofuro[4,3-cd]azepin-6-ol
(4aR,6R,8aS)-3-Methoxy-11-methyl-5,6,7,8,9,10,11,12-octahydro-4aH-benzo[2,3]benzofuro[4,3-cd]azepin-6-ol
Catalogue No.:PA 07 02640
CAS :
NA
Molecular Formula : C17H23NO3
Molecular Weight : 289.37
(4aS,6R,8aS)-6-Hydroxy-3-methoxy-11-methyl-5,6,9,10-tetrahydro-4aH-benzo[2,3]benzofuro[4,3-cd]azepin-11-ium bromide
(4aS,6R,8aS)-6-Hydroxy-3-methoxy-11-methyl-5,6,9,10-tetrahydro-4aH-benzo[2,3]benzofuro[4,3-cd]azepin-11-ium bromide
Catalogue No.:PA 07 02660
CAS :
NA
Molecular Formula : C17H20BrNO3
Molecular Weight : 366.25
rac-(4aα)-4a,5,9,10,11,12-Hexahydro-1,5-dibromo-11-formyl-3-methoxy-6H-benzofuro[3a,3,2-e,f][2]benzazepin-6-one
rac-(4aα)-4a,5,9,10,11,12-Hexahydro-1,5-dibromo-11-formyl-3-methoxy-6H-benzofuro[3a,3,2-e,f][2]benzazepin-6-one
Catalogue No.:PA 07 0231000
CAS :
1076198-20-3
Molecular Formula : C17H15Br2NO4
Molecular Weight : 457.12
(4aS,6R,8aS)-6-hydroxy-3-methoxy-11-methyl-4a,5,9,10,11,12-hexahydro-6H-benzo[2,3]benzofuro[4,3-cd]azepine 11-oxide
(4aS,6R,8aS)-6-hydroxy-3-methoxy-11-methyl-4a,5,9,10,11,12-hexahydro-6H-benzo[2,3]benzofuro[4,3-cd]azepine 11-oxide
Catalogue No.:PA 07 0231001
CAS :
199014-26-1
Molecular Formula : C17H21NO4
Molecular Weight : 303.36
(1aR,2R,3aS,11aS,11bS)-2-Hydroxy-5-methoxy-9-methyl-2,3,3a,8,9,10,11,11b-octahydro-1aH-oxireno[2'',3'':3',4']benzo[1',2':2,3]benzofuro[4,3-cd]azepine 9-oxide
(1aR,2R,3aS,11aS,11bS)-2-Hydroxy-5-methoxy-9-methyl-2,3,3a,8,9,10,11,11b-octahydro-1aH-oxireno[2'',3'':3',4']benzo[1',2':2,3]benzofuro[4,3-cd]azepine 9-oxide
Catalogue No.:PA 07 0231002
CAS :
NA
Molecular Formula : C17H21NO5
Molecular Weight : 319.35