Dorzolamide-impurities | Pharmaffiliates

dorzolamide and its Impurities

A carbonic anhydrase inhibitor, Dorzplamide is used for the treatment of glaucoma and ocular hypertension. It is administered as topical opthalmic form and decreases the aqueous humour production.. Reference standards of Dorzolamide API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 42 results for dorzolamide Impurities
PA 04 62000

Dorzolamide - API Standards

Dorzolamide


  • Catalogue No.:PA 04 62000

  • CAS :

    120279-96-1

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.44

PA 04 62010

Dorzolamide - Impurity A

ent-Dorzolamide


  • Catalogue No.:PA 04 62010

  • CAS :

    120279-95-0

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.44

PA 04 62510

Dorzolamide N-Sulfonamide Dimer

Dorzolamide N-Sulfonamide Dimer


  • Catalogue No.:PA 04 62510

  • CAS :

    199734-72-0

  • Molecular Formula : C20H29N3O8S6

  • Molecular Weight : 631.85

PA 31 03510

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide Hydrochloride

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide Hydrochloride


  • Catalogue No.:PA 31 03510

  • CAS :

    NA

  • Molecular Formula : C10H17ClN2O4S3

  • Molecular Weight : 360.9

PA STI 036280

Dorzolamide-d5

Dorzolamide-d5


  • Catalogue No.:PA STI 036280

  • CAS :

    1227097-70-2

  • Molecular Formula : C10H11D5N2O4S3

  • Molecular Weight : 329.47

PA USP1225281

Dorzolamide Hydrochloride (1225281)

Dorzolamide Hydrochloride (1225281)


  • Catalogue No.:PA USP1225281

  • CAS :

    130693-82-2

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225317

Dorzolamide Related Compound B ((4R,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyr (1225317)

Dorzolamide Related Compound B ((4R,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyr (1225317)


  • Catalogue No.:PA USP1225317

  • CAS :

    1417607-96-5

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225306

Dorzolamide Related Compound D ((4S,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-su (1225306)

Dorzolamide Related Compound D ((4S,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-su (1225306)


  • Catalogue No.:PA USP1225306

  • CAS :

    164455-27-0

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP1070RB

dorzolamide impurity B (1070RB)

dorzolamide impurity B (1070RB)


  • Catalogue No.:PA BP1070RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP1069RB

dorzolamide hydrochloride (1069RB)

dorzolamide hydrochloride (1069RB)


  • Catalogue No.:PA BP1069RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP1071RB

dorzolamide impurity D (1071RB)

dorzolamide impurity D (1071RB)


  • Catalogue No.:PA BP1071RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000726

Dorzolamide hydrochloride (Y0000726)

Dorzolamide hydrochloride (Y0000726)


  • Catalogue No.:PA EPY0000726

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000727

Dorzolamide impurity A (Y0000727)

Dorzolamide impurity A (Y0000727)


  • Catalogue No.:PA EPY0000727

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000750

Dorzolamide for system suitability (Y0000750)

Dorzolamide for system suitability (Y0000750)


  • Catalogue No.:PA EPY0000750

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1225292

Dorzolamide Hydrochloride Related Compound A ((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno (1225292)

Dorzolamide Hydrochloride Related Compound A ((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno (1225292)


  • Catalogue No.:PA USP1225292

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA JP0063

Dorzolamide Hydrochloride (JP 0063)

Dorzolamide Hydrochloride (JP 0063)


  • Catalogue No.:PA JP0063

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 04 62520

Dorzolamide Maleic Acid Adduct

Dorzolamide Maleic Acid Adduct


  • Catalogue No.:PA 04 62520

  • CAS :

    NA

  • Molecular Formula : C14H20N2O8S3

  • Molecular Weight : 440.5

PA 04 62530

N-Acetyl Dorzolamide

N-Acetyl Dorzolamide


  • Catalogue No.:PA 04 62530

  • CAS :

    403848-09-9

  • Molecular Formula : C12H18N2O5S3

  • Molecular Weight : 366.47

PA 31 03520

Desaminosulfonyl Dorzolamide Hydrochloride

Desaminosulfonyl Dorzolamide Hydrochloride


  • Catalogue No.:PA 31 03520

  • CAS :

    897657-77-1

  • Molecular Formula : C10H16ClNO2S2

  • Molecular Weight : 281.81

PA 04 62540

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide


  • Catalogue No.:PA 04 62540

  • CAS :

    199734-71-9

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.43

PA 04 0621000

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide


  • Catalogue No.:PA 04 0621000

  • CAS :

    120279-26-7

  • Molecular Formula : C8H11NO5S3

  • Molecular Weight : 297.36

PA 04 0621001

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide


  • Catalogue No.:PA 04 0621001

  • CAS :

    120279-88-1

  • Molecular Formula : C8H9NO3S3

  • Molecular Weight : 263.34

PA 04 0621002

Rac-Dorzolamide

Rac-Dorzolamide


  • Catalogue No.:PA 04 0621002

  • CAS :

    120280-13-9

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.43

PA 04 0621003

N-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl acetamide

N-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl acetamide


  • Catalogue No.:PA 04 0621003

  • CAS :

    120298-38-6

  • Molecular Formula : C10H14N2O5S3

  • Molecular Weight : 338.41

PA 31 0031000

N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide

N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide


  • Catalogue No.:PA 31 0031000

  • CAS :

    147200-03-1

  • Molecular Formula : C10H14N2O5S3

  • Molecular Weight : 338.41

PA 04 0621004

Dorzolamide Desaminosulfonyl

Dorzolamide Desaminosulfonyl


  • Catalogue No.:PA 04 0621004

  • CAS :

    403848-01-1

  • Molecular Formula : C10H15NO2S2

  • Molecular Weight : 245.36

PA 04 0621005

(4R,6R)-4-(ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride

(4R,6R)-4-(ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride


  • Catalogue No.:PA 04 0621005

  • CAS :

    120279-36-9

  • Molecular Formula : C10H17ClN2O4S3

  • Molecular Weight : 360.89

PAI 31 003001

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonic Acid

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonic Acid


  • Catalogue No.:PAI 31 003001

  • CAS :

    NA

  • Molecular Formula : C8H8O4S3

  • Molecular Weight : 264.33

PAI 31 003002

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide


  • Catalogue No.:PAI 31 003002

  • CAS :

    1383784-43-7

  • Molecular Formula : C8H9NO3S3

  • Molecular Weight : 263.34

PAI 31 003003

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide


  • Catalogue No.:PAI 31 003003

  • CAS :

    154716-03-7

  • Molecular Formula : C8H9NO5S3

  • Molecular Weight : 295.34

PAI 31 003004

(4R,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide

(4R,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide


  • Catalogue No.:PAI 31 003004

  • CAS :

    154278-51-0

  • Molecular Formula : C8H12N2O4S3

  • Molecular Weight : 296.37

PAI 04 062001

(6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl methanesulfonate

(6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl methanesulfonate


  • Catalogue No.:PAI 04 062001

  • CAS :

    NA

  • Molecular Formula : C9H13NO7S4

  • Molecular Weight : 375.44

PAI 04 062002

(6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

(6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide


  • Catalogue No.:PAI 04 062002

  • CAS :

    NA

  • Molecular Formula : C8H11NO3S3

  • Molecular Weight : 265.36

PA 04 0621006

N-Nitroso Dorzolamide

N-Nitroso Dorzolamide


  • Catalogue No.:PA 04 0621006

  • CAS :

    NA

  • Molecular Formula : C10H15N3O5S3

  • Molecular Weight : 353.43

PA IPRS 67 15

Dorzolamide Hydrochloride (IPRS/67/15) - from IPC

Dorzolamide Hydrochloride (IPRS/67/15) - from IPC


  • Catalogue No.:PA IPRS 67 15

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 04 0621007

N-Desethyl N-Acetyl Dorzolamide Chloride

N-Desethyl N-Acetyl Dorzolamide Chloride


  • Catalogue No.:PA 04 0621007

  • CAS :

    NA

  • Molecular Formula : C10H12ClNO5S3

  • Molecular Weight : 357.84

PA 04 0621008

(4R)-Dorzolamide

(4R)-Dorzolamide


  • Catalogue No.:PA 04 0621008

  • CAS :

    149249-72-9

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.43

PAI 04 062003

(E)-N'-(((4R,6R)-4-(Ethylamino)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-yl)sulfonyl)-N,N-dimethylformimidamide

(E)-N'-(((4R,6R)-4-(Ethylamino)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-yl)sulfonyl)-N,N-dimethylformimidamide


  • Catalogue No.:PAI 04 062003

  • CAS :

    NA

  • Molecular Formula : C13H21N3O4S3

  • Molecular Weight : 379.51

PAI 04 062004

N-((4R,6R)-2-(N-((E)-(Dimethylamino)methylene)sulfamoyl)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-N-ethylaspartic Acid

N-((4R,6R)-2-(N-((E)-(Dimethylamino)methylene)sulfamoyl)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-N-ethylaspartic Acid


  • Catalogue No.:PAI 04 062004

  • CAS :

    NA

  • Molecular Formula : C17H25N3O8S3

  • Molecular Weight : 495.58

PAI 04 062005

Diethyl N-ethyl-N-((4S,6S)-6-methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-L-aspartate

Diethyl N-ethyl-N-((4S,6S)-6-methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-L-aspartate


  • Catalogue No.:PAI 04 062005

  • CAS :

    NA

  • Molecular Formula : C18H28N2O8S3

  • Molecular Weight : 496.61

PA 04 0621009

Dorzolamide Maleic Acid Adduct mixture of diastereomers

Dorzolamide Maleic Acid Adduct mixture of diastereomers


  • Catalogue No.:PA 04 0621009

  • CAS :

    NA

  • Molecular Formula : C14H18N2Na2O8S3

  • Molecular Weight : 484.46

PA 04 0621010

(4R,6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide

(4R,6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide


  • Catalogue No.:PA 04 0621010

  • CAS :

    147128-77-6

  • Molecular Formula : C8H10O3S2

  • Molecular Weight : 218.29