sulfamethoxazole and its Impurities

A sulfanilamide antibacterial agent used to treat infections caused by both gram ositive and gram negative bacteria. Sulfamethoxazole is a structural analog of para-aminobenzoic acid (PABA) and works by inhibiting enzyme dihydropteroate synthetase .Reference standards of Sulfamethoxazole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 37 results for sulfamethoxazole Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 19 29000

Sulfamethoxazole

Sulfamethoxazole

  • Catalogue No.:PA 19 29000

  • CAS :

    723-46-6

  • Molecular Formula : C10H11N3O3S

  • Molecular Weight : 253.28

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29010

Sulfamethoxazole - Impurity A

N-[4-[(5-Methylisoxazol-3-yl)-sulphamoyl]phenyl]acetamide

  • Catalogue No.:PA 19 29010

  • CAS :

    21312-10-7

  • Molecular Formula : C12H13N3O4S

  • Molecular Weight : 295.31

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29020

Sulfamethoxazole - Impurity B

4-[[(4-Aminophenyl)sulphonyl]-amino]-N-(5-methylisoxazol-3-yl)benzenesulphonamide

  • Catalogue No.:PA 19 29020

  • CAS :

    135529-16-7

  • Molecular Formula : C16H16N4O5S2

  • Molecular Weight : 408.45

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29030

Sulfamethoxazole - Impurity C

3-Amino-5-methylisoxazole

  • Catalogue No.:PA 19 29030

  • CAS :

    1072-67-9

  • Molecular Formula : C4H6N2O

  • Molecular Weight : 98.1

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29040

Sulfamethoxazole - Impurity D

Sulphanilic Acid

  • Catalogue No.:PA 19 29040

  • CAS :

    121-57-3

  • Molecular Formula : C6H7NO3S

  • Molecular Weight : 173.19

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29050

Sulfamethoxazole - Impurity E

Sulphanilamide

  • Catalogue No.:PA 19 29050

  • CAS :

    63-74-1

  • Molecular Formula : C6H8N2O2S

  • Molecular Weight : 172.20

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29060

Sulfamethoxazole - Impurity F

4-Amino-N-(3-methylisoxazol-5-yl)benzenesulfonamide

  • Catalogue No.:PA 19 29060

  • CAS :

    17103-52-5

  • Molecular Formula : C10H11N3O3S

  • Molecular Weight : 253.28

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29510

Spiramycin Adipate

Spiramycin Adipate

  • Catalogue No.:PA 19 29510

  • CAS :

    68880-55-7

  • Molecular Formula : C49H84N2O18

  • Molecular Weight : 989.19

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29520

Sulfamethoxazole N4-glucoside

Sulfamethoxazole N4-glucoside

  • Catalogue No.:PA 19 29520

  • CAS :

    119691-75-7

  • Molecular Formula : C16H21N3O8S

  • Molecular Weight : 415.42

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Drug Reference Standards & Impurity Synthesis in India
PA STI 003550

Acetylsulfamethoxazole D4

Acetylsulfamethoxazole D4

  • Catalogue No.:PA STI 003550

  • CAS :

    1215530-54-3

  • Molecular Formula : C12H9D4N3O4S

  • Molecular Weight : 299.34

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Drug Reference Standards & Impurity Synthesis in India
PA STI 003560

N-Acetyl Sulfamethoxazole-d5

N-Acetyl Sulfamethoxazole-d5 .

  • Catalogue No.:PA STI 003560

  • CAS :

    1020718-89-1

  • Molecular Formula : C12H8D5N3O4S

  • Molecular Weight : 300.35

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Drug Reference Standards & Impurity Synthesis in India
PA STI 005200

N-(4-Aminobenzenesulfonyl) Sulfamethoxazole-d4

N-(4-Aminobenzenesulfonyl) Sulfamethoxazole-d4

  • Catalogue No.:PA STI 005200

  • CAS :

    1346603-52-8

  • Molecular Formula : C16H12D4N4O5S2

  • Molecular Weight : 412.48

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Drug Reference Standards & Impurity Synthesis in India
PA STI 080130

Sulfamethoxazole-d4 N4-glucoside

Sulfamethoxazole-d4 N4-glucoside

  • Catalogue No.:PA STI 080130

  • CAS :

    NA

  • Molecular Formula : C16H17D4N3O8S

  • Molecular Weight : 419.44

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Drug Reference Standards & Impurity Synthesis in India
PA STI 080450

Sulfamethoxazole-d4

Sulfamethoxazole-d4

  • Catalogue No.:PA STI 080450

  • CAS :

    1020719-86-1

  • Molecular Formula : C10H7D4N3O3S

  • Molecular Weight : 257.30

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Drug Reference Standards & Impurity Synthesis in India
PA STI 080500

Sulfamethoxazole-d4 β-D-Glucuronide

Sulfamethoxazole-d4 β-D-Glucuronide

  • Catalogue No.:PA STI 080500

  • CAS :

    NA

  • Molecular Formula : C16H15D4N3O9S

  • Molecular Weight : 433.43

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Drug Reference Standards & Impurity Synthesis in India
PA ICRS0419

Sulfamethoxazole (ICRS0419)

Sulfamethoxazole (ICRS0419)

  • Catalogue No.:PA ICRS0419

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPS2100000

Sulfamethoxazole (S2100000)

Sulfamethoxazole (S2100000)

  • Catalogue No.:PA EPS2100000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000412

Sulfamethoxazole impurity A (Y0000412)

Sulfamethoxazole impurity A (Y0000412)

  • Catalogue No.:PA EPY0000412

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000413

Sulfamethoxazole impurity F (Y0000413)

Sulfamethoxazole impurity F (Y0000413)

  • Catalogue No.:PA EPY0000413

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1631001

Sulfamethoxazole (1631001)

Sulfamethoxazole (1631001)

  • Catalogue No.:PA USP1631001

  • CAS :

    723-46-6

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1631500

Sulfamethoxazole N4-glucoside (1631500)

Sulfamethoxazole N4-glucoside (1631500)

  • Catalogue No.:PA USP1631500

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1631511

Sulfamethoxazole Related Compound A (N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}acetamide) (1631511)

Sulfamethoxazole Related Compound A (N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}acetamide) (1631511)

  • Catalogue No.:PA USP1631511

  • CAS :

    21312-10-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1631522

Sulfamethoxazole Related Compound B (4-amino-N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}benzen (1631522)

Sulfamethoxazole Related Compound B (4-amino-N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}benzen (1631522)

  • Catalogue No.:PA USP1631522

  • CAS :

    135529-16-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1631533

Sulfamethoxazole Related Compound C (5-methylisoxazol-3-amine) (1631533)

Sulfamethoxazole Related Compound C (5-methylisoxazol-3-amine) (1631533)

  • Catalogue No.:PA USP1631533

  • CAS :

    1072-67-9

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1631566

Sulfamethoxazole Related Compound F (4-amino-N-(3-methylisoxazol-5-yl)benzenesulfonamide) (1631566)

Sulfamethoxazole Related Compound F (4-amino-N-(3-methylisoxazol-5-yl)benzenesulfonamide) (1631566)

  • Catalogue No.:PA USP1631566

  • CAS :

    17103-52-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP314RB

sulfamethoxazole (314RB)

sulfamethoxazole (314RB)

  • Catalogue No.:PA BP314RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29530

N1-Acetylsulfamethoxazole

N1-Acetylsulfamethoxazole

  • Catalogue No.:PA 19 29530

  • CAS :

    18607-98-2

  • Molecular Formula : C12H13N3O4S

  • Molecular Weight : 295.31

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Drug Reference Standards & Impurity Synthesis in India
PA 19 29540

Sulfamethoxazole β-D-Glucuronide

Sulfamethoxazole β-D-Glucuronide

  • Catalogue No.:PA 19 29540

  • CAS :

    14365-52-7

  • Molecular Formula : C16H19N3O9S

  • Molecular Weight : 429.4

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Drug Reference Standards & Impurity Synthesis in India
PA STI 080501

Sulfamethoxazole-13C6

  • Catalogue No.:PA STI 080501

  • CAS :

    1196157-90-0

  • Molecular Formula : C413C6H11N3O3S

  • Molecular Weight : 259.23

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Drug Reference Standards & Impurity Synthesis in India
PA 19 0291000

4,4'-Azoxybis[N-(5-methyl-3-isoxazolyl)-benzenesulfonamide

4,4'-Azoxybis[N-(5-methyl-3-isoxazolyl)-benzenesulfonamide

  • Catalogue No.:PA 19 0291000

  • CAS :

    119403-03-1

  • Molecular Formula : C20H18N6O7S2

  • Molecular Weight : 518.52

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Drug Reference Standards & Impurity Synthesis in India
PAI 19 029001

N-[4-[[(5-Methyl-3-isoxazolyl)amino]sulfonyl]phenyl]-4-nitrobenzenesulfonamide

N-[4-[[(5-Methyl-3-isoxazolyl)amino]sulfonyl]phenyl]-4-nitrobenzenesulfonamide

  • Catalogue No.:PAI 19 029001

  • CAS :

    679784-56-6

  • Molecular Formula : C16H14N4O7S2

  • Molecular Weight : 438.43

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Drug Reference Standards & Impurity Synthesis in India
PA 19 0291001

4-Amino-3-(((6-chloropyrimidin-4-yl)oxy)methyl)benzenesulfonamide

4-Amino-3-(((6-chloropyrimidin-4-yl)oxy)methyl)benzenesulfonamide

  • Catalogue No.:PA 19 0291001

  • CAS :

    NA

  • Molecular Formula : C11H11ClN4O3S

  • Molecular Weight : 314.74

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Drug Reference Standards & Impurity Synthesis in India
PA 19 0291002

4-Nitro Sulfamethoxazole

4-Nitro Sulfamethoxazole

  • Catalogue No.:PA 19 0291002

  • CAS :

    29699-89-6

  • Molecular Formula : C10H9N3O5S

  • Molecular Weight : 283.26

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Drug Reference Standards & Impurity Synthesis in India
PA 19 0291003

4-Nitroso Sulfamethoxazole

4-Nitroso Sulfamethoxazole

  • Catalogue No.:PA 19 0291003

  • CAS :

    131549-85-4

  • Molecular Formula : C10H9N3O4S

  • Molecular Weight : 267.26

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Drug Reference Standards & Impurity Synthesis in India
PA 19 0291004

4-Amino-N-(5-methyloxazol-4-yl)benzenesulfonamide

4-Amino-N-(5-methyloxazol-4-yl)benzenesulfonamide

  • Catalogue No.:PA 19 0291004

  • CAS :

    1258421-06-5

  • Molecular Formula : C10H11N3O3S

  • Molecular Weight : 253.28

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Drug Reference Standards & Impurity Synthesis in India
PA 19 0291005

4-Amino-N-(5-methyloxazol-2-yl)benzenesulfonamide

4-Amino-N-(5-methyloxazol-2-yl)benzenesulfonamide

  • Catalogue No.:PA 19 0291005

  • CAS :

    51821-47-7

  • Molecular Formula : C10H11N3O3S

  • Molecular Weight : 253.28

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Drug Reference Standards & Impurity Synthesis in India
PA BSC 02919761

Sulfamethoxazole (BSC)

Sulfamethoxazole

  • Catalogue No.:PA BSC 02919761

  • CAS :

    723-46-6

  • Molecular Formula : C10H11N3O3S

  • Molecular Weight : 253.28

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