Tiotropium is used for maintenance treatment of chronic obstructive pulmonary disease. It is sold under the brandname Spiriva.Reference standards of Tiotropium API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(R)-Quinucldin-3-yl hydroxybis(2-thienyl)acetate
Catalogue No.:PA 20 66510
CAS :
Molecular Formula : C17H19NO3S2
Molecular Weight : 349.47
Iso Tiotropium Bromide
Catalogue No.:PA 20 66520
Molecular Formula : C19H22BrNO4S2
Molecular Weight : 472.42
(2R,3aR,5S,6S,6aS)-6-(Hydroxy-2,2-di(thiophen-2-yl)acetoxy)-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium Bromide
Catalogue No.:PA 20 66530
(S)-Aclidinium Bromide
Catalogue No.:PA 20 66540
Molecular Formula : C26H30BrNO4S2
Molecular Weight : 564.55
Ethyl 2-Hydroxy-2,2-di(thiophen-2-yl)Acetate
Catalogue No.:PA 20 66550
Molecular Formula : C12H12O3S2
Molecular Weight : 268.35
(2S,3aS,5R,6R,6aR)-4-Methylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-6-yl 2-hydroxy-2,2-di(thiophen-2-yl)Acetate
Catalogue No.:PA 20 66560
Molecular Formula : C18H19NO4S2
Molecular Weight : 377.48
(1R,3S,5S)-3-(2-Hydroxy-2,2-di(thiophen-2-yl)acetoxy)-8,8-dimethyl-d3-8-azabicyclo[3.2.1]oct-6-en-8-ium Bromide_x0000_
Catalogue No.:PA STI 048700
Molecular Formula : C19H19D3BrNO3S2
Molecular Weight : 459.44
7-[(Hydroxy-2-thienyl-3-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide-d6
Catalogue No.:PA STI 051790
Molecular Formula : C19H16D6NO4S2
Molecular Weight : 398.55
Tiotropium-d3 Bromide
Catalogue No.:PA STI 083300
Molecular Formula : C19H19D3BrNO4S2
Molecular Weight : 475.43
Tiotropium-d5 Bromide
Catalogue No.:PA STI 083310
Molecular Formula : C19H17D5BrNO4S2
Molecular Weight : 477.45
Tiotropium impurity mixture (Y0001179)
Catalogue No.:PA EPY0001179
Molecular Formula : NA
Molecular Weight : NA
Tiotropium bromide monohydrate (Y0001188)
Catalogue No.:PA EPY0001188
Tiotropium for system suitability (Y0001189)
Catalogue No.:PA EPY0001189
Tiotropium impurity F (Y0001216)
Catalogue No.:PA EPY0001216
Tiotropium-d3 Iodide
Catalogue No.:PA STI 083301
Molecular Formula : C19H19D3INO4S2
Molecular Weight : 522.43
(2S,3aS,5R,6R,6aR)-6-(2-hydroxy-2,2-di(thiophen-2-yl)acetoxy)-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide
Catalogue No.:PA 20 0661001
Molecular Weight : 472.41
2,3-Dibromothiophene
Catalogue No.:PA 20 0661007
Molecular Formula : C4H2Br2S
Molecular Weight : 241.93
Propan-2-one compound with (1R,3s,5S,6S,7R)-8-methyl-8-azabicyclo[3.2.1]octane-3,6,7-triol (1:1)
Catalogue No.:PA 20 0661008
Molecular Formula : C11H21NO4
Molecular Weight : 231.29
Rac-Trans-4-Hydroxy tolvaptan
Catalogue No.:PA 20 0661009
Molecular Formula : C26H25ClN2O4
Molecular Weight : 464.95
2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-2-yl-d3)acetic acid
Catalogue No.:PA STI 088999
Molecular Formula : C10H5D3O3S2
Molecular Weight : 243.31
2-Hydroxy-2,2-bis(thiophen-2-yl-d3)acetic acid
Catalogue No.:PA STI 089000
Molecular Formula : C10H2D6O3S2
Molecular Weight : 246.33
Rel-(2R,3aS,5R,6R,6aR)-6-hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide
Catalogue No.:PA 20 0661002
Molecular Formula : C9H16BrNO2
Molecular Weight : 250.14
Iso Tiotropium Bromide Impurity
Catalogue No.:PA 20 0661003
(1R,3s,5S,6S,7R)-6,7-Dihydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-yl acetate
Catalogue No.:PA 20 0661004
Molecular Formula : C10H17NO4
Molecular Weight : 215.25
(1R,2R,4S,5S,7r)-9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-ol
Catalogue No.:PA 20 0661005
Molecular Formula : C8H13NO2
Molecular Weight : 155.2
(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate
Catalogue No.:PA 20 0661010
Molecular Formula : C17H21NO3
Molecular Weight : 287.36
(2RS,3aSR,5RS,6RS,6aRS)-6-Hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4- ium Bromide
Catalogue No.:PA 20 0661011
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