Celecoxib-impurities | Pharmaffiliates

celecoxib and its Impurities

Celecoxib is used for osteoarthritis, rheumatoid arthritis, acute pain, musculoskeletal pain, painful menstruation, ankylosing spondylitis, and to reduce the number of colon and rectal polyps in people with familial adenomatous polyposis. Reference standards of Celecoxib API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 65 results for celecoxib Impurities
PA 03 33000

Celecoxib - API

Celecoxib


  • Catalogue No.:PA 03 33000

  • CAS :

    169590-42-5

  • Molecular Formula : C17H14F3N3O2S

  • Molecular Weight : 381.37

PA 03 33010

Celecoxib - Impurity A

4-Desmethyl-3-methyl Celecoxib


  • Catalogue No.:PA 03 33010

  • CAS :

    170570-01-1

  • Molecular Formula : C17H14F3N3O2S

  • Molecular Weight : 381.37

PA 03 33020

Celecoxib - Impurity B

4-[3-(4-Methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide


  • Catalogue No.:PA 03 33020

  • CAS :

    331943-04-5

  • Molecular Formula : C17H14F3N3O2S

  • Molecular Weight : 381.37

PA 03 33030

o-Celecoxib

o-Celecoxib


  • Catalogue No.:PA 03 33030

  • CAS :

    170569-99-0

  • Molecular Formula : C17H14F3N3O2S

  • Molecular Weight : 381.37

PA 03 33050

(4-Sulfamoylphenyl)hydrazine

(4-Sulfamoylphenyl)hydrazine


  • Catalogue No.:PA 03 33050

  • CAS :

    4392-54-5

  • Molecular Formula : C6H9N3O2S

  • Molecular Weight : 187.22

PA 03 33070

1-(4-Methylphenyl)-4,4,4-trifluorobutane-1,3-dione

1-(4-Methylphenyl)-4,4,4-trifluorobutane-1,3-dione


  • Catalogue No.:PA 03 33070

  • CAS :

    720-94-5

  • Molecular Formula : C11H9F3O2

  • Molecular Weight : 230.18

PA 03 33510

4'-Methylacetophenone

4'-Methylacetophenone


  • Catalogue No.:PA 03 33510

  • CAS :

    122-00-9

  • Molecular Formula : C9H10O

  • Molecular Weight : 134.18

PA 03 33520

2,5-Dimethyl Celecoxib

2,5-Dimethyl Celecoxib


  • Catalogue No.:PA 03 33520

  • CAS :

    457639-26-8

  • Molecular Formula : C18H16F3N3O2S

  • Molecular Weight : 395.4

PA 03 33530

(4-Sulfamoylphenyl)hydrazine Hydrochloride

(4-Sulfamoylphenyl)hydrazine Hydrochloride


  • Catalogue No.:PA 03 33530

  • CAS :

    17852-52-7

  • Molecular Formula : C6H10ClN3O2S

  • Molecular Weight : 223.68

PA 03 33540

4-[N'-(1-p-tolylethylidene)-hydrazino]-benzenesulfonamide

4-[N'-(1-p-tolylethylidene)-hydrazino]-benzenesulfonamide


  • Catalogue No.:PA 03 33540

  • CAS :

    1061214-06-9

  • Molecular Formula : C15H17N3O2S

  • Molecular Weight : 303.38

PA 03 33550

Desmethyl Celecoxib

Desmethyl Celecoxib


  • Catalogue No.:PA 03 33550

  • CAS :

    170569-87-6

  • Molecular Formula : C16H12F3N3O2S

  • Molecular Weight : 367.35

PA 03 33560

4-[4-(4-Methylphenyl)-3-(trifluoromethyl)-1H-Pyrazol-1-yl]-benzensulfonamide

4-[4-(4-Methylphenyl)-3-(trifluoromethyl)-1H-Pyrazol-1-yl]-benzensulfonamide


  • Catalogue No.:PA 03 33560

  • CAS :

    195065-57-7

  • Molecular Formula : C17H14F3N3O2S

  • Molecular Weight : 381.37

PA 03 33570

o-Acetyltoluene

o-Acetyltoluene


  • Catalogue No.:PA 03 33570

  • CAS :

    577-16-2

  • Molecular Formula : C9H10O

  • Molecular Weight : 134.18

PA 03 33580

3'-Methylacetophenone

3'-Methylacetophenone


  • Catalogue No.:PA 03 33580

  • CAS :

    585-74-0

  • Molecular Formula : C9H10O

  • Molecular Weight : 134.18

PA 03 33590

Trifluoroacetic Acid

Trifluoroacetic Acid


  • Catalogue No.:PA 03 33590

  • CAS :

    76-05-1

  • Molecular Formula : C2HF3O2

  • Molecular Weight : 114.02

PA 03 33600

Methyl Trifluoroacetate

Methyl Trifluoroacetate


  • Catalogue No.:PA 03 33600

  • CAS :

    431-47-0

  • Molecular Formula : C3H3F3O2

  • Molecular Weight : 128.04

PA 03 33610

4,4,4-Trifluoro-1-[3-(methyl)phenyl]-butane-1,3-dione

4,4,4-Trifluoro-1-[3-(methyl)phenyl]-butane-1,3-dione


  • Catalogue No.:PA 03 33610

  • CAS :

    53764-99-1

  • Molecular Formula : C11H9F3O2

  • Molecular Weight : 230.18

PA 03 33620

4,4,4-Trifluoro-1-[2-(methyl)phenyl]-butane-1,3-dione

4,4,4-Trifluoro-1-[2-(methyl)phenyl]-butane-1,3-dione


  • Catalogue No.:PA 03 33620

  • CAS :

    163266-02-2

  • Molecular Formula : C11H9F3O2

  • Molecular Weight : 230.18

PA 03 33630

Celecoxib Carboxylic Acid

Celecoxib Carboxylic Acid


  • Catalogue No.:PA 03 33630

  • CAS :

    170571-01-4

  • Molecular Formula : C17H12F3N3O4S

  • Molecular Weight : 411.36

PA 03 33640

Ethyl Trifluoroacetate

Ethyl Trifluoroacetate


  • Catalogue No.:PA 03 33640

  • CAS :

    383-63-1

  • Molecular Formula : C4H5F3O2

  • Molecular Weight : 142.08

PA 03 33650

Celecoxib Trifluro Impurity

Celecoxib Trifluro Impurity


  • Catalogue No.:PA 03 33650

  • CAS :

    910303-54-7

  • Molecular Formula : C11H9F3O2

  • Molecular Weight : 230.18

PA 03 33660

3-(p-Tolyl)-5-(trifluoromethyl)-1H-pyrazole

3-(p-Tolyl)-5-(trifluoromethyl)-1H-pyrazole


  • Catalogue No.:PA 03 33660

  • CAS :

    219986-64-8

  • Molecular Formula : C11H9F3N2

  • Molecular Weight : 226.2

PA 03 33670

4-(2-(2,2,2-Trifluoroacetyl)hydrazinyl)benzenesulfonamide

4-(2-(2,2,2-Trifluoroacetyl)hydrazinyl)benzenesulfonamide


  • Catalogue No.:PA 03 33670

  • CAS :

    915280-81-8

  • Molecular Formula : C8H8F3N3O3S

  • Molecular Weight : 283.23

PA 03 33680

Benzenesulfonamide

Benzenesulfonamide


  • Catalogue No.:PA 03 33680

  • CAS :

    98-10-2

  • Molecular Formula : C6H7NO2S

  • Molecular Weight : 157.19

PA 03 33690

2-Methyl-Celecoxib

2-Methyl-Celecoxib


  • Catalogue No.:PA 03 33690

  • CAS :

    170570-09-9

  • Molecular Formula : C18H16F3N3O2S

  • Molecular Weight : 395.41

PA 03 33700

4-[[3-(4-Methylphenyl)-3-oxo-1-(trifluoromethyl)propylidene]amino]benzenesulfonamide

4-[[3-(4-Methylphenyl)-3-oxo-1-(trifluoromethyl)propylidene]amino]benzenesulfonamide


  • Catalogue No.:PA 03 33700

  • CAS :

    1061214-09-2

  • Molecular Formula : C17H15F3N2O3S

  • Molecular Weight : 384.37

PA STI 018540

Celecoxib-d4

Celecoxib-d4


  • Catalogue No.:PA STI 018540

  • CAS :

    544686-20-6

  • Molecular Formula : C17H10D4F3N3O2S

  • Molecular Weight : 385.40

PA STI 018550

Celecoxib-d7

Celecoxib-d7


  • Catalogue No.:PA STI 018550

  • CAS :

    544686-21-7

  • Molecular Formula : C17H7D7F3N3O2S

  • Molecular Weight : 388.42

PA STI 028680

4-Desmethyl-3-methyl Celecoxib-d4

4-Desmethyl-3-methyl Celecoxib-d4


  • Catalogue No.:PA STI 028680

  • CAS :

    1346604-72-5

  • Molecular Formula : C17H10D4F3N3O2S

  • Molecular Weight : 385.40

PA STI 029070

N-De(4-sulfonamidophenyl)-N'-[4-sulfonamido(phenyl-d4)] Celecoxib

N-De(4-sulfonamidophenyl)-N'-[4-sulfonamido(phenyl-d4)] Celecoxib


  • Catalogue No.:PA STI 029070

  • CAS :

    1346604-14-5

  • Molecular Formula : C17H10D4F3N3O2S

  • Molecular Weight : 385.40

PA STI 034190

2,5-Dimethyl Celecoxib-d4

2,5-Dimethyl Celecoxib-d4


  • Catalogue No.:PA STI 034190

  • CAS :

    1346603-87-9

  • Molecular Formula : C18H12D4F3N3O2S

  • Molecular Weight : 399.42

PA STI 049840

Hydroxy Celecoxib-d4

Hydroxy Celecoxib-d4


  • Catalogue No.:PA STI 049840

  • CAS :

    1276524-56-1

  • Molecular Formula : C17H10D4F3N3O3S

  • Molecular Weight : 401.40

PA USP1098504

Celecoxib (1098504)

Celecoxib (1098504)


  • Catalogue No.:PA USP1098504

  • CAS :

    169590-42-5

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1098515

Celecoxib Related Compound A (4-[5-(3-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulf (1098515)

Celecoxib Related Compound A (4-[5-(3-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulf (1098515)


  • Catalogue No.:PA USP1098515

  • CAS :

    170570-01-1

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1098526

Celecoxib Related Compound B (4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulf (1098526)

Celecoxib Related Compound B (4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulf (1098526)


  • Catalogue No.:PA USP1098526

  • CAS :

    331943-04-5

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001446

Celecoxib impurity A (Y0001446)

Celecoxib impurity A (Y0001446)


  • Catalogue No.:PA EPY0001446

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001447

Celecoxib impurity B (Y0001447)

Celecoxib impurity B (Y0001447)


  • Catalogue No.:PA EPY0001447

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001445

Celecoxib (Y0001445)

Celecoxib (Y0001445)


  • Catalogue No.:PA EPY0001445

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 03 33710

2-Acetylphenanthrene

2-Acetylphenanthrene


  • Catalogue No.:PA 03 33710

  • CAS :

    5960-69-0

  • Molecular Formula : C16H12O

  • Molecular Weight : 220.27

PA 03 33720

4-(5-Hydroxy-3-(p-tolyl)-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

4-(5-Hydroxy-3-(p-tolyl)-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide


  • Catalogue No.:PA 03 33720

  • CAS :

    1803258-57-2

  • Molecular Formula : C17H16F3N3O3S

  • Molecular Weight : 399.39

PA 03 33730

1,1,1-Trifluoro-4-methoxy-4-(4-methylphenyl)-3-buten-2-one

1,1,1-Trifluoro-4-methoxy-4-(4-methylphenyl)-3-buten-2-one


  • Catalogue No.:PA 03 33730

  • CAS :

    187812-31-3

  • Molecular Formula : C12H11F3O2

  • Molecular Weight : 244.21

PA STI 088313

Celecoxib-d3 (methyl-d3)

Celecoxib-d3 (methyl-d3)


  • Catalogue No.:PA STI 088313

  • CAS :

    544686-18-2

  • Molecular Formula : C17H11D3F3N3O2S

  • Molecular Weight : 384.39

PA 03 0331000

4-Fluoro-3-[(trifluoromethyl)sulfonyl]benzenesulfonamide

4-Fluoro-3-[(trifluoromethyl)sulfonyl]benzenesulfonamide


  • Catalogue No.:PA 03 0331000

  • CAS :

    1027345-08-9

  • Molecular Formula : C7H5F4NO4S2

  • Molecular Weight : 307.24

PA 03 0331001

4-[[(1R)-3-(4-Morpholinyl)-3-oxo-1-[(phenylthio)methyl]propyl]amino]-3-trifluoromethylsulfonyl-benzenesulfonamide

4-[[(1R)-3-(4-Morpholinyl)-3-oxo-1-[(phenylthio)methyl]propyl]amino]-3-trifluoromethylsulfonyl-benzenesulfonamide


  • Catalogue No.:PA 03 0331001

  • CAS :

    1027345-11-4

  • Molecular Formula : C21H24F3N3O6S3

  • Molecular Weight : 567.62

PA 03 0331002

4-[[(1R)-3-(4-Morpholinyl)-1-[(phenylthio)methyl]propyl]amino]-3-trifluoromethylsulfonyl-benzenesulfonamide

4-[[(1R)-3-(4-Morpholinyl)-1-[(phenylthio)methyl]propyl]amino]-3-trifluoromethylsulfonyl-benzenesulfonamide


  • Catalogue No.:PA 03 0331002

  • CAS :

    1027345-12-5

  • Molecular Formula : C21H26F3N3O5S3

  • Molecular Weight : 553.64

PA 03 0331003

Hydroxy Celecoxib

Hydroxy Celecoxib


  • Catalogue No.:PA 03 0331003

  • CAS :

    170571-00-3

  • Molecular Formula : C17H14F3N3O3S

  • Molecular Weight : 397.37

PA 03 0331004

Celecoxib N-des(benzenesulfonamide)

Celecoxib N-des(benzenesulfonamide)


  • Catalogue No.:PA 03 0331004

  • CAS :

    948293-46-7

  • Molecular Formula : C11H9F3N2

  • Molecular Weight : 226.2

PA 03 0331005

MK-886 Sodium Salt

Sodium 3-(3-(tert-butylthio)-1-(4-chlorobenzyl)-5-isopropyl-1H-indol-2-yl)-2,2-dimethylpropanoate


  • Catalogue No.:PA 03 0331005

  • CAS :

    118427-55-7

  • Molecular Formula : C27H33ClNNaO2S

  • Molecular Weight : 494.07

PA 03 0331006

Celecoxib carboxylic acid methyl ester

Celecoxib carboxylic acid methyl ester


  • Catalogue No.:PA 03 0331006

  • CAS :

    1189893-75-1

  • Molecular Formula : C18H14F3N3O4S

  • Molecular Weight : 425.38

PA 03 0331008

4-Amino-N-nitrosobenzenesulfonamide

4-Amino-N-nitrosobenzenesulfonamide


  • Catalogue No.:PA 03 0331008

  • CAS :

    NA

  • Molecular Formula : C6H7N3O3S

  • Molecular Weight : 201.2

PA 03 0331009

4,4'-(Nitrosoazanediyl)dibenzenesulfonamide

4,4'-(Nitrosoazanediyl)dibenzenesulfonamide


  • Catalogue No.:PA 03 0331009

  • CAS :

    NA

  • Molecular Formula : C12H12N4O5S2

  • Molecular Weight : 356.37

PA 03 0331010

4-(1-Nitrosohydrazinyl)benzenesulfonamide

4-(1-Nitrosohydrazinyl)benzenesulfonamide


  • Catalogue No.:PA 03 0331010

  • CAS :

    NA

  • Molecular Formula : C6H8N4O3S

  • Molecular Weight : 216.22

PA 03 0331011

5-(4-Methylphenyl)-1-nitroso-3-(trifluromethyl)-1H-pyrazole

5-(4-Methylphenyl)-1-nitroso-3-(trifluromethyl)-1H-pyrazole


  • Catalogue No.:PA 03 0331011

  • CAS :

    NA

  • Molecular Formula : C11H8F3N3O

  • Molecular Weight : 255.2

PA 03 0331012

(E)-4-(1-Nitroso-2-(1-(p-tolyl)ethylidene)hydrazinyl)benzenesulfonamide

(E)-4-(1-Nitroso-2-(1-(p-tolyl)ethylidene)hydrazinyl)benzenesulfonamide


  • Catalogue No.:PA 03 0331012

  • CAS :

    NA

  • Molecular Formula : C15H16N4O3S

  • Molecular Weight : 332.38

PA 03 0331007

Desaryl celecoxib

Desaryl celecoxib


  • Catalogue No.:PA 03 0331007

  • CAS :

    90861-52-2

  • Molecular Formula : C11H12N2

  • Molecular Weight : 172.23

PA 03 0331013

4-Azidobenzenesulfonamide

4-Azidobenzenesulfonamide


  • Catalogue No.:PA 03 0331013

  • CAS :

    36326-86-0

  • Molecular Formula : C6H6N4O2S

  • Molecular Weight : 198.2

PA 03 0331014

4-Hydroxybenzenesulfonamide

4-Hydroxybenzenesulfonamide


  • Catalogue No.:PA 03 0331014

  • CAS :

    1576-43-8

  • Molecular Formula : C6H7NO3S

  • Molecular Weight : 173.19

PA 03 0331017

Celecoxib Peroxide

Celecoxib Peroxide


  • Catalogue No.:PA 03 0331017

  • CAS :

    2247197-65-3

  • Molecular Formula : C17H14F3N3O4S

  • Molecular Weight : 413.37

PA 03 0331016

Celecoxib Ethyl Ester

Celecoxib Ethyl Ester


  • Catalogue No.:PA 03 0331016

  • CAS :

    2247197-67-5

  • Molecular Formula : C19H17F3N2O3S

  • Molecular Weight : 410.41

PA 03 0331015

Celecoxib Methyl Ester

Celecoxib Methyl Ester


  • Catalogue No.:PA 03 0331015

  • CAS :

    2247197-66-4

  • Molecular Formula : C18H15F3N2O3S

  • Molecular Weight : 396.38

PA 03 0331018

4-(5-(2,5-Dimethylphenyl)-1-methyl-1H-pyrazol-3-yl)phenol

4-(5-(2,5-Dimethylphenyl)-1-methyl-1H-pyrazol-3-yl)phenol


  • Catalogue No.:PA 03 0331018

  • CAS :

    362006-35-7

  • Molecular Formula : C18H18N2O

  • Molecular Weight : 278.36

PA 03 0331019

1-Phenyl-5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazole

1-Phenyl-5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazole


  • Catalogue No.:PA 03 0331019

  • CAS :

    515845-18-8

  • Molecular Formula : C17H13F3N2

  • Molecular Weight : 302.3

PA 03 0331020

4-(5-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonic Acid

4-(5-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonic Acid


  • Catalogue No.:PA 03 0331020

  • CAS :

    921617-76-7

  • Molecular Formula : C17H13F3N2O3S

  • Molecular Weight : 382.36

PA 03 0331021

(E)-4-((4,4,4-Trifluoro-3-oxo-1-(p-tolyl)butylidene)amino)benzenesulfonamide

(E)-4-((4,4,4-Trifluoro-3-oxo-1-(p-tolyl)butylidene)amino)benzenesulfonamide


  • Catalogue No.:PA 03 0331021

  • CAS :

    NA

  • Molecular Formula : C17H15F3N2O3S

  • Molecular Weight : 384.37

PA 03 0331022

1-(3-Chlorophenyl)-3-methyl-4-[3-(trifluoromethyl)phenyl]-1H-pyrazol-5-amine

1-(3-Chlorophenyl)-3-methyl-4-[3-(trifluoromethyl)phenyl]-1H-pyrazol-5-amine


  • Catalogue No.:PA 03 0331022

  • CAS :

    477708-95-5

  • Molecular Formula : C17H13ClF3N3

  • Molecular Weight : 351.76