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
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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PA ICRS0419

Sulfamethoxazole (ICRS0419)

Sulfamethoxazole (ICRS0419)

  • Catalogue No.:PA ICRS0419

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA EPS2100000

Sulfamethoxazole (S2100000)

Sulfamethoxazole (S2100000)

  • Catalogue No.:PA EPS2100000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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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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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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PA USP1631001

Sulfamethoxazole (1631001)

Sulfamethoxazole (1631001)

  • Catalogue No.:PA USP1631001

  • CAS :

    723-46-6

  • Molecular Formula : NA

  • Molecular Weight : NA

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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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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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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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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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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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PA BP314RB

sulfamethoxazole (314RB)

sulfamethoxazole (314RB)

  • Catalogue No.:PA BP314RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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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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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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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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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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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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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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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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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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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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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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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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