Tiotropium-impurities | Pharmaffiliates

Tiotropium and its Impurities

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.

Displaying 27 results for Tiotropium Impurities
PA 20 66510

(R)-Quinucldin-3-yl hydroxybis(2-thienyl)acetate

(R)-Quinucldin-3-yl hydroxybis(2-thienyl)acetate


  • Catalogue No.:PA 20 66510

  • CAS :

    320347-97-5

  • Molecular Formula : C17H19NO3S2

  • Molecular Weight : 349.47

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PA 20 66520

Iso Tiotropium Bromide

Iso Tiotropium Bromide


  • Catalogue No.:PA 20 66520

  • CAS :

    136431-94-2

  • Molecular Formula : C19H22BrNO4S2

  • Molecular Weight : 472.42

PA 20 66530

(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

(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

  • CAS :

    NA

  • Molecular Formula : C19H22BrNO4S2

  • Molecular Weight : 472.42

PA 20 66540

(S)-Aclidinium Bromide

(S)-Aclidinium Bromide


  • Catalogue No.:PA 20 66540

  • CAS :

    320346-78-9

  • Molecular Formula : C26H30BrNO4S2

  • Molecular Weight : 564.55

PA 20 66550

Ethyl 2-Hydroxy-2,2-di(thiophen-2-yl)Acetate

Ethyl 2-Hydroxy-2,2-di(thiophen-2-yl)Acetate


  • Catalogue No.:PA 20 66550

  • CAS :

    28569-88-2

  • Molecular Formula : C12H12O3S2

  • Molecular Weight : 268.35

PA 20 66560

(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

(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

  • CAS :

    1459721-06-2

  • Molecular Formula : C18H19NO4S2

  • Molecular Weight : 377.48

PA STI 048700

(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_

(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

  • CAS :

    NA

  • Molecular Formula : C19H19D3BrNO3S2

  • Molecular Weight : 459.44

PA STI 051790

7-[(Hydroxy-2-thienyl-3-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide-d6

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

  • CAS :

    NA

  • Molecular Formula : C19H16D6NO4S2

  • Molecular Weight : 398.55

PA STI 083300

Tiotropium-d3 Bromide

Tiotropium-d3 Bromide


  • Catalogue No.:PA STI 083300

  • CAS :

    1127226-56-5

  • Molecular Formula : C19H19D3BrNO4S2

  • Molecular Weight : 475.43

PA STI 083310

Tiotropium-d5 Bromide

Tiotropium-d5 Bromide


  • Catalogue No.:PA STI 083310

  • CAS :

    1229646-72-3

  • Molecular Formula : C19H17D5BrNO4S2

  • Molecular Weight : 477.45

Tiotropium impurity mixture (Y0001179)

Tiotropium impurity mixture (Y0001179)


  • Catalogue No.:PA EPY0001179

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Tiotropium bromide monohydrate (Y0001188)

Tiotropium bromide monohydrate (Y0001188)


  • Catalogue No.:PA EPY0001188

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Tiotropium for system suitability (Y0001189)

Tiotropium for system suitability (Y0001189)


  • Catalogue No.:PA EPY0001189

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Tiotropium impurity F (Y0001216)

Tiotropium impurity F (Y0001216)


  • Catalogue No.:PA EPY0001216

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA STI 083301

Tiotropium-d3 Iodide

Tiotropium-d3 Iodide


  • Catalogue No.:PA STI 083301

  • CAS :

    NA

  • Molecular Formula : C19H19D3INO4S2

  • Molecular Weight : 522.43

PA 20 0661001

(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

(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

  • CAS :

    NA

  • Molecular Formula : C19H22BrNO4S2

  • Molecular Weight : 472.41

PA 20 0661007

2,3-Dibromothiophene

2,3-Dibromothiophene


  • Catalogue No.:PA 20 0661007

  • CAS :

    3140-93-0

  • Molecular Formula : C4H2Br2S

  • Molecular Weight : 241.93

PA 20 0661008

Propan-2-one compound with (1R,3s,5S,6S,7R)-8-methyl-8-azabicyclo[3.2.1]octane-3,6,7-triol (1:1)

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

  • CAS :

    NA

  • Molecular Formula : C11H21NO4

  • Molecular Weight : 231.29

PA 20 0661009

Rac-Trans-4-Hydroxy tolvaptan

Rac-Trans-4-Hydroxy tolvaptan


  • Catalogue No.:PA 20 0661009

  • CAS :

    926035-34-9

  • Molecular Formula : C26H25ClN2O4

  • Molecular Weight : 464.95

PA STI 088999

2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-2-yl-d3)acetic acid

2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-2-yl-d3)acetic acid


  • Catalogue No.:PA STI 088999

  • CAS :

    NA

  • Molecular Formula : C10H5D3O3S2

  • Molecular Weight : 243.31

PA STI 089000

2-Hydroxy-2,2-bis(thiophen-2-yl-d3)acetic acid

2-Hydroxy-2,2-bis(thiophen-2-yl-d3)acetic acid


  • Catalogue No.:PA STI 089000

  • CAS :

    NA

  • Molecular Formula : C10H2D6O3S2

  • Molecular Weight : 246.33

PA 20 0661002

Rel-(2R,3aS,5R,6R,6aR)-6-hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide

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

  • CAS :

    1044148-31-3

  • Molecular Formula : C9H16BrNO2

  • Molecular Weight : 250.14

PA 20 0661003

Iso Tiotropium Bromide Impurity

Iso Tiotropium Bromide Impurity


  • Catalogue No.:PA 20 0661003

  • CAS :

    1978292-75-9

  • Molecular Formula : C19H22BrNO4S2

  • Molecular Weight : 472.41

PA 20 0661004

(1R,3s,5S,6S,7R)-6,7-Dihydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-yl acetate

(1R,3s,5S,6S,7R)-6,7-Dihydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-yl acetate


  • Catalogue No.:PA 20 0661004

  • CAS :

    109655-83-6

  • Molecular Formula : C10H17NO4

  • Molecular Weight : 215.25

PA 20 0661005

(1R,2R,4S,5S,7r)-9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-ol

(1R,2R,4S,5S,7r)-9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-ol


  • Catalogue No.:PA 20 0661005

  • CAS :

    498-46-4

  • Molecular Formula : C8H13NO2

  • Molecular Weight : 155.2

PA 20 0661010

(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate

(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate


  • Catalogue No.:PA 20 0661010

  • CAS :

    NA

  • Molecular Formula : C17H21NO3

  • Molecular Weight : 287.36

PA 20 0661011

(2RS,3aSR,5RS,6RS,6aRS)-6-Hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4- ium Bromide

(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

  • CAS :

    NA

  • Molecular Formula : C9H16BrNO2

  • Molecular Weight : 250.14