Acetazolamide-Impurities | Pharmaffiliates

acetazolamide and its Impurities

A carbonic anhydrase inhibitor , which is sold under the brand name od Diamox, Acetazolamide is used in the treatment of glaucoma, epileptic seizure , altitude sickness.It is also used as a diuretic. Reference standards of Acetazolamide API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 33 results for acetazolamide Impurities
PA 01 15000

Acetazolamide - API Standards

Acetazolamide


  • Catalogue No.:PA 01 15000

  • CAS :

    59-66-5

  • Molecular Formula : C4H6N4O3S2

  • Molecular Weight : 222.25

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PA 01 15020

Acetazolamide - Impurity B (Freebase)

N-1,3,4-Thiadiazol-2-ylacetamide


  • Catalogue No.:PA 01 15020

  • CAS :

    5393-55-5

  • Molecular Formula : C4H5N3OS

  • Molecular Weight : 143.17

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PA 01 15030

Acetazolamide - Impurity C (Freebase)

N-(5-Mercapto-1,3,4-thiadiazol-2-yl)acetamide


  • Catalogue No.:PA 01 15030

  • CAS :

    32873-56-6

  • Molecular Formula : C4H5N3OS2

  • Molecular Weight : 175.23

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PA 01 15070

Acetazolamide - Impurity G (Freebase)

5-Amino-1,3,4-thiadiazole-2-thiol


  • Catalogue No.:PA 01 15070

  • CAS :

    2349-67-9

  • Molecular Formula : C2H3N3S2

  • Molecular Weight : 133.2

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PA 01 15010

Acetazolamide - Impurity A (Freebase)

N-(5-Chloro-1,3,4-thiadiazol-2-yl)acetamide


  • Catalogue No.:PA 01 15010

  • CAS :

    60320-32-3

  • Molecular Formula : C4H4ClN3OS

  • Molecular Weight : 177.61

PA 01 15040

Acetazolamide - Impurity D (Freebase)

5-Amino-1,3,4-thiadiazole-2-sulfonamide


  • Catalogue No.:PA 01 15040

  • CAS :

    14949-00-9

  • Molecular Formula : C2H4N4O2S2

  • Molecular Weight : 180.21

PA 01 15050

Acetazolamide - Impurity E (Freebase)

5-Acetamido-1,3,4-thiadiazole-2-Sulfonic Acid


  • Catalogue No.:PA 01 15050

  • CAS :

    827026-60-8

  • Molecular Formula : C4H5N3O4S2

  • Molecular Weight : 223.23

PA 01 15060

Acetazolamide - Impurity F (Freebase)

N-[5-(([(5-Acetamido-1,3,4-thiadiazol-2- yl)sulfonyl]amino)thio)-1,3,4-thiadiazol-2-yl]acetamide


  • Catalogue No.:PA 01 15060

  • CAS :

    80495-47-2

  • Molecular Formula : C8H9N7O6S4

  • Molecular Weight : 427.44

PA 01 15510

5-((4-Chlorophenyl)thio)-1,2,3-thiadiazole-4-carboxylic Acid

5-((4-Chlorophenyl)thio)-1,2,3-thiadiazole-4-carboxylic Acid


  • Catalogue No.:PA 01 15510

  • CAS :

    338760-78-4

  • Molecular Formula : C9H5ClN2O2S2

  • Molecular Weight : 272.73

PA STI 001530

Acetazolamide-D3

Acetazolamide-D3


  • Catalogue No.:PA STI 001530

  • CAS :

    1189904-01-5

  • Molecular Formula : C4H3D3N4O3S2

  • Molecular Weight : 225.26

PA STI 002020

5-(Acetylamino)-1,3,4-thiadiazole-2-sulfonic Acid-d3

5-(Acetylamino)-1,3,4-thiadiazole-2-sulfonic Acid-d3


  • Catalogue No.:PA STI 002020

  • CAS :

    NA

  • Molecular Formula : C4H2D3N3O4S2

  • Molecular Weight : 226.25

PA STI 002040

2-Acetamido-5-mercapto-1,3,4-thiadiazole-D3

2-Acetamido-5-mercapto-1,3,4-thiadiazole-D3


  • Catalogue No.:PA STI 002040

  • CAS :

    1246816-83-0

  • Molecular Formula : C4H2D3N3OS2

  • Molecular Weight : 178.25

PA STI 012970

Bis[5-(acetylamino)-1,3,4-thiadiazole-2-sulfonyl]amine-d6

Bis[5-(acetylamino)-1,3,4-thiadiazole-2-sulfonyl]amine-d6


  • Catalogue No.:PA STI 012970

  • CAS :

    NA

  • Molecular Formula : C8H3D6N7O6S4

  • Molecular Weight : 433.5

PA STI 020780

N-(5-Chloro-1,3,4-thiadiazol-2-yl)acetamide-d3

N-(5-Chloro-1,3,4-thiadiazol-2-yl)acetamide-d3


  • Catalogue No.:PA STI 020780

  • CAS :

    NA

  • Molecular Formula : C4HD3ClN3OS

  • Molecular Weight : 180.63

PA STI 082640

N-1,3,4-Thiadiazol-2-ylacetamide-d3

N-1,3,4-Thiadiazol-2-ylacetamide-d3


  • Catalogue No.:PA STI 082640

  • CAS :

    NA

  • Molecular Formula : C4H2D3N3OS

  • Molecular Weight : 146.19

Acetazolamide Related Compound D (5-Amino-1,3,4-thiadiazole-2-sulfonamide) (1005048)

Acetazolamide Related Compound D (5-Amino-1,3,4-thiadiazole-2-sulfonamide) (1005048)


  • Catalogue No.:PA USP1005048

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetazolamide (1005004)

Acetazolamide (1005004)


  • Catalogue No.:PA USP1005004

  • CAS :

    59-66-5

  • Molecular Formula : NA

  • Molecular Weight : NA

acetazolamide (904RB)

acetazolamide (904RB)


  • Catalogue No.:PA BP904RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetazolamide (ICRS0202)


  • Catalogue No.:PA ICRS0202

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

Acetazolamide Related Compound E (5-Acetamido-1,3,4-thiadiazole-2-sulfonic acid potassium salt) (1005059)

Acetazolamide Related Compound E (5-Acetamido-1,3,4-thiadiazole-2-sulfonic acid potassium salt) (1005059)


  • Catalogue No.:PA USP1005059

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetazolamide (A0100000)

Acetazolamide (A0100000)


  • Catalogue No.:PA EPA0100000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetazolamide for system suitability (Y0001084)

Acetazolamide for system suitability (Y0001084)


  • Catalogue No.:PA EPY0001084

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

Acetazolamide (IPRS/135/12)-from IPC


  • Catalogue No.:PA IPIPRS 135 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA 01 15041

Acetazolamide - Impurity D (Hydrochloride Salt)

5-Amino-1,3,4-thiadiazole-2-sulfonamide Hydrochloride


  • Catalogue No.:PA 01 15041

  • CAS :

    120208-98-2

  • Molecular Formula : C2H5ClN4O2S2

  • Molecular Weight : 216.66

PA 01 0151000

N-Nitroso-N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide

N-Nitroso-N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide


  • Catalogue No.:PA 01 0151000

  • CAS :

    NA

  • Molecular Formula : C4H5N5O4S2

  • Molecular Weight : 251.24

PA 01 0151002

N-(5-Acetamido-1,3,4-thiadiazol-2-yl)-N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide

N-(5-Acetamido-1,3,4-thiadiazol-2-yl)-N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide


  • Catalogue No.:PA 01 0151002

  • CAS :

    NA

  • Molecular Formula : C8H9N7O4S3

  • Molecular Weight : 363.39

PA 01 0151003

Bis(2-Acetamido-1,3,4-thiadiazol-5-yl) disulfide

Bis(2-Acetamido-1,3,4-thiadiazol-5-yl) disulfide


  • Catalogue No.:PA 01 0151003

  • CAS :

    99055-56-8

  • Molecular Formula : C8H8N6O2S4

  • Molecular Weight : 348.43

PA 01 0151004

N-(5-(Benzylthio)-3-methyl-1,3,4-thiadiazol-2(3H)-ylidene)acetamide

N-(5-(Benzylthio)-3-methyl-1,3,4-thiadiazol-2(3H)-ylidene)acetamide


  • Catalogue No.:PA 01 0151004

  • CAS :

    95046-30-3

  • Molecular Formula : C12H13N3OS2

  • Molecular Weight : 279.38

PA 01 0151005

5-Tert-butyl-N-methyl-1,3,4-thiadiazol-2-amine

5-Tert-butyl-N-methyl-1,3,4-thiadiazol-2-amine


  • Catalogue No.:PA 01 0151005

  • CAS :

    50608-12-3

  • Molecular Formula : C7H13N3S

  • Molecular Weight : 171.26

Acetazolamide (IPRS/74/16) -from IPC

Acetazolamide (IPRS/74/16) -from IPC


  • Catalogue No.:PA IPRS 74 16

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 01 0151006

N-(5-(Benzylsulfinyl)-3-methyl-1,3,4-thiadiazol-2(3H)-ylidene)acetamide

N-(5-(Benzylsulfinyl)-3-methyl-1,3,4-thiadiazol-2(3H)-ylidene)acetamide


  • Catalogue No.:PA 01 0151006

  • CAS :

    2365289-85-4

  • Molecular Formula : C12H13N3O2S2

  • Molecular Weight : 295.38

PA 01 0150051

Acetazolamide - Impurity E (Potassium Salt)

5-Acetamido-1,3,4-thiadiazole-2-sulfonic acid Potassium Salt


  • Catalogue No.:PA 01 0150051

  • CAS :

    2469006-67-3

  • Molecular Formula : C4H4KN3O4S2

  • Molecular Weight : 261.31

PA 01 0151007

2-Acetamido-5-chlorosulfonyl-1,3,4-thiadiazole

2-Acetamido-5-chlorosulfonyl-1,3,4-thiadiazole


  • Catalogue No.:PA 01 0151007

  • CAS :

    32873-57-7

  • Molecular Formula : C4H4ClN3O3S2

  • Molecular Weight : 241.66