Celecoxib Related Compounds & Impurities

Celecoxib is a selective COX-2 inhibitor NSAID used for arthritis, acute pain and familial adenomatous polyposis.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Celecoxib reference standards, pharmacopeial and non-pharmacopeial Celecoxib impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Celecoxib-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Celecoxib
Celecoxib
  • CAT. No.C030000
  • CAS. No.169590-42-5
  • Mol. F.C17H14F3N3O2S
  • Mol. W.381.37 g/mol
  • Stock Status:Instock
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Celecoxib EP Impurity B
Celecoxib EP Impurity B
  • CAT. No.C030001
  • CAS. No.331943-04-5
  • Mol. F.C17H14F3N3O2S
  • Mol. W.381.37 g/mol
  • Stock Status:Instock
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Celecoxib Impurity B
Celecoxib Impurity B
  • CAT. No.C030002
  • CAS. No.NA
  • Mol. F.C15H17N3O2S
  • Mol. W.303.38 g/mol
  • Stock Status:Instock
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Celecoxib EP Impurity A
Celecoxib EP Impurity A
  • CAT. No.C030003
  • CAS. No.170570-01-1
  • Mol. F.C17H14F3N3O2S
  • Mol. W.381.37 g/mol
  • Stock Status:Instock
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Celecoxib 2-Methyl Analog
Celecoxib 2-Methyl Analog
  • CAT. No.C030004
  • CAS. No.170569-99-0
  • Mol. F.C17H14F3N3O2S
  • Mol. W.381.37 g/mol
  • Stock Status:Instock
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Celecoxib Hydrazine Impurity
Celecoxib Hydrazine Impurity
  • CAT. No.C030005
  • CAS. No.4392-54-5
  • Mol. F.C6H9N3O2S
  • Mol. W.187.22 g/mol
  • Stock Status:Instock
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Celecoxib impurity-E Hydrochloride Salt
Celecoxib impurity-E Hydrochloride Salt
  • CAT. No.C030005A
  • CAS. No.17852-52-7
  • Mol. F.C6H10N3O2SCl
  • Mol. W.223.68 g/mol
  • Stock Status:Instock
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4-[2-[1-(4-Methylphenyl)ethylidene]hydrazinyl]benzenesulfonamide
4-[2-[1-(4-Methylphenyl)ethylidene]hydrazinyl]benzenesulfonamide
  • CAT. No.C030006
  • CAS. No.1061214-06-9
  • Mol. F.C15H17N3O2S
  • Mol. W.303.38 g/mol
  • Stock Status:Limited Stock
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Celecoxib USP Related Compound 4
Celecoxib USP Related Compound 4
  • CAT. No.C030007
  • CAS. No.720-94-5
  • Mol. F.C11H9F3O2
  • Mol. W.230.18 g/mol
  • Stock Status:Instock
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4-Desmethyl-2-methyl Celecoxib
4-Desmethyl-2-methyl Celecoxib
  • CAT. No.C030008
  • CAS. No.170569-99-0
  • Mol. F.C17H14F3N3O2S
  • Mol. W.381.37 g/mol
  • Stock Status:Instock
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Celecoxib Hydrazine Impurity
Celecoxib Hydrazine Impurity
  • CAT. No.C030009
  • CAS. No.17852-52-7
  • Mol. F.C6H9N3O2S·HCl
  • Mol. W.223.68 g/mol
  • Stock Status:Instock
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Celecoxib Diketo Schiff's Base-II Impurity
Celecoxib Diketo Schiff's Base-II Impurity
  • CAT. No.C030010
  • CAS. No.1061214-09-2
  • Mol. F.C17H15F3N2O3S
  • Mol. W.384.37 g/mol
  • Stock Status:Instock
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Celecoxib Impurity 6
Celecoxib Impurity 6
  • CAT. No.C030012
  • CAS. No.219986-64-8
  • Mol. F.C11H9F3N2
  • Mol. W.226.20 g/mol
  • Stock Status:Limited Stock
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Celecoxib impurity schiffs base
Celecoxib impurity schiffs base
  • CAT. No.C030013
  • CAS. No.NA
  • Mol. F.C15H17N3O2S
  • Mol. W.303.38g/mol
  • Stock Status:Under Synthesis
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Desaryl Celecoxib
Desaryl Celecoxib
  • CAT. No.C030014
  • CAS. No.948293-46-7
  • Mol. F.C11H9F3N2
  • Mol. W.226.20 g/mol
  • Stock Status:Instock
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2-Methyl-Celecoxib
2-Methyl-Celecoxib
  • CAT. No.C030015
  • CAS. No.170570-09-9
  • Mol. F.C18H16F3N3O2S
  • Mol. W.395.41 g/mol
  • Stock Status:Instock
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Celecoxib Impurity CB1
Celecoxib Impurity CB1
  • CAT. No.C030016
  • CAS. No.NA
  • Mol. F.C17H16F3N3O3S
  • Mol. W.399.39 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib USP Related Compound D
Celecoxib USP Related Compound D
  • CAT. No.C030018
  • CAS. No.1061214-06-9
  • Mol. F.C15H17N3O2S
  • Mol. W.303.38 g/mol
  • Stock Status:Instock
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Celecoxib Hydroxymethyl Analog
Celecoxib Hydroxymethyl Analog
  • CAT. No.C030019
  • CAS. No.17571-00-3
  • Mol. F.C17H14F3N3O3S
  • Mol. W.397.37 g/mol
  • Stock Status:Instock
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Celecoxib Carboxylic Acid
Celecoxib Carboxylic Acid
  • CAT. No.C030020
  • CAS. No.170571-01-4
  • Mol. F.C17H12F3N3O4S
  • Mol. W.411.36 g/mol
  • Stock Status:Instock
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(E)-4-(2-(1-p-Tolylethylidene)hydrazinyl)benzenesulfonamide
(E)-4-(2-(1-p-Tolylethylidene)hydrazinyl)benzenesulfonamide
  • CAT. No.C030021
  • CAS. No.1061214-06-9
  • Mol. F.C15H17N3O2S
  • Mol. W.303.38 g/mol
  • Stock Status:Custom Synthesis
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4-[2-hydroxy-5-(4-methylphenyl)-3-(trfluormethyl)- 1Hpyrazol-1-yl]benzenesulfonamide
4-[2-hydroxy-5-(4-methylphenyl)-3-(trfluormethyl)- 1Hpyrazol-1-yl]benzenesulfonamide
  • CAT. No.C030023
  • CAS. No.NA
  • Mol. F.C17H16F3N3O3S
  • Mol. W.399.39 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 7
Celecoxib Impurity 7
  • CAT. No.C030024
  • CAS. No.163266-02-2
  • Mol. F.C11H9F3O2
  • Mol. W.230.18 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 4
Celecoxib Impurity 4
  • CAT. No.C030025
  • CAS. No.1803258-57-2
  • Mol. F.C17H16F3N3O3S
  • Mol. W.399.39 g/mol
  • Stock Status:Instock
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Celecoxib Impurity 23
Celecoxib Impurity 23
  • CAT. No.C030026
  • CAS. No.2247197-65-3
  • Mol. F.C17H14F3N3O4S
  • Mol. W.413.37 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Peroxide
Celecoxib Peroxide
  • CAT. No.C030027
  • CAS. No.NA
  • Mol. F.C17H14F3N3O4S
  • Mol. W.413.37 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 16
Celecoxib Impurity 16
  • CAT. No.C030028
  • CAS. No.53764-99-1
  • Mol. F.C11H9F3O2
  • Mol. W.230.18 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Nitroso Impurity 4
Celecoxib Nitroso Impurity 4
  • CAT. No.C030029
  • CAS. No.NA
  • Mol. F.C11H8F3N3O
  • Mol. W.255.20 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 15
Celecoxib Impurity 15
  • CAT. No.C030030
  • CAS. No.1576-43-8
  • Mol. F.C6H7NO3S
  • Mol. W.173.19 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 22
Celecoxib Impurity 22
  • CAT. No.C030031
  • CAS. No.2247197-67-5
  • Mol. F.C19H17F3N2O3S
  • Mol. W.410.41 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 21
Celecoxib Impurity 21
  • CAT. No.C030032
  • CAS. No.2247197-66-4
  • Mol. F.C18H15F3N2O3S
  • Mol. W.396.38 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 8
Celecoxib Impurity 8
  • CAT. No.C030033
  • CAS. No.915280-81-8
  • Mol. F.C8H8F3N3O3
  • Mol. W.283.23 g/mol
  • Stock Status:Custom Synthesis
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2`,4`-Dimethylacetophenone
2`,4`-Dimethylacetophenone
  • CAT. No.C030034
  • CAS. No.89-74-7
  • Mol. F.C10H12O
  • Mol. W.148.00 g/mol
  • Stock Status:Custom Synthesis
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N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-acetamide
N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-acetamide
  • CAT. No.C030035
  • CAS. No.41472-49-5
  • Mol. F.C10H14N2O3S
  • Mol. W.242.29 g/mol
  • Stock Status:Custom Synthesis
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Isopropyl Celecoxib Sulfonate
Isopropyl Celecoxib Sulfonate
  • CAT. No.C030036
  • CAS. No.NA
  • Mol. F.C20H19F3N2O3S
  • Mol. W.242.29 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Nitroso Impurity 2
Celecoxib Nitroso Impurity 2
  • CAT. No.C030037
  • CAS. No.NA
  • Mol. F.C12H12N4O5S2
  • Mol. W.356.38 g/mol
  • Stock Status:Custom Synthesis
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N,N-Dinitroso-Ethylene Diaminodiacetic Acid
N,N-Dinitroso-Ethylene Diaminodiacetic Acid
  • CAT. No.C030038
  • CAS. No.6943-40-4
  • Mol. F.C6H10N4O6
  • Mol. W.234.17 g/mol
  • Stock Status:Instock
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5-(o-tolyl)-1-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazole
5-(o-tolyl)-1-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazole
  • CAT. No.C030039
  • CAS. No.NA
  • Mol. F.C18H15F3N2
  • Mol. W.316.32 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 29
Celecoxib Impurity 29
  • CAT. No.C030040
  • CAS. No.138-42-1
  • Mol. F.C6H5NO5S
  • Mol. W.203.17 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Nitroso Impurity 1
Celecoxib Nitroso Impurity 1
  • CAT. No.C030041
  • CAS. No.NA
  • Mol. F.C6H7N3O3S
  • Mol. W.201.20 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 1
Celecoxib Impurity 1
  • CAT. No.C030042
  • CAS. No.54779-81-6
  • Mol. F.C15H16N2
  • Mol. W.224.30 g/mol
  • Stock Status:Custom Synthesis
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Celecoxib Impurity 3
Celecoxib Impurity 3
  • CAT. No.C030043
  • CAS. No.17852-52-7
  • Mol. F.C6H9N3O2S.HCl
  • Mol. W.223.68 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Celecoxib-D7
Celecoxib-D7
  • CAT. No.C030011
  • CAS. No.544686-21-7
  • Mol. F.C17H7D7F3N3O2S
  • Mol. W.388.42 g/mol
  • Stock Status:Instock
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Celecoxib D4
Celecoxib D4
  • CAT. No.C030022
  • CAS. No.544686-20-6
  • Mol. F.C17H10D4F3N3O2S
  • Mol. W.385.40 g/mol
  • Stock Status:Under Synthesis
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