Diclofenac Sodium

Diclofenac Sodium is a phenylacetic-acid NSAID with preferential COX-2 activity, one of the most widely used anti-inflammatory and analgesic drugs globally, formulated in oral, topical, ophthalmic and injectable forms. Simson Pharma's Diclofenac Sodium reference standard and impurities support the high-volume compendial testing this extremely broad-use NSAID demands.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Diclofenac Sodium Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Diclofenac Sodium
Diclofenac Sodium
  • CAT. No.D010000
  • CAS. No.15307-79-6
  • Mol. F.C14H10Cl2NO2.Na
  • Mol. W.318.13 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Epolamine
Diclofenac Epolamine
  • CAT. No.D010000B
  • CAS. No.119623-66-4
  • Mol. F.C14H11Cl2NO2.C6H13NO
  • Mol. W.411.32 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac EP Impurity A
Diclofenac EP Impurity A
  • CAT. No.D010001
  • CAS. No.15362-40-0
  • Mol. F.C14H9Cl2NO
  • Mol. W.278.13 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Impurity B
Diclofenac Impurity B
  • CAT. No.D010002
  • CAS. No.22121-58-0
  • Mol. F.C13H9Cl2NO
  • Mol. W.266.12 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac EP Impurity C
Diclofenac EP Impurity C
  • CAT. No.D010003
  • CAS. No.27204-57-5
  • Mol. F.C13H11Cl2NO
  • Mol. W.268.14 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac EP Impurity D
Diclofenac EP Impurity D
  • CAT. No.D010004
  • CAS. No.127792-23-8
  • Mol. F.C14H11BrClNO2
  • Mol. W.340.60 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac EP Impurity D (Sodium Salt)
Diclofenac EP Impurity D (Sodium Salt)
  • CAT. No.D010004A
  • CAS. No.127792-45-4
  • Mol. F.C14H10BrClNNaO2
  • Mol. W.362.58 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac EP Impurity E
Diclofenac EP Impurity E
  • CAT. No.D010005
  • CAS. No.59-48-3
  • Mol. F.C8H7NO
  • Mol. W.133.15 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Carboxylic Acid
Diclofenac Carboxylic Acid
  • CAT. No.D010007
  • CAS. No.13625-57-5
  • Mol. F.C13H9Cl2NO2
  • Mol. W.282.12 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Potassium
Diclofenac Potassium
  • CAT. No.D010010
  • CAS. No.15307-81-0
  • Mol. F.C14H10Cl2NO2.K
  • Mol. W.334.24 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Potassium Standard
Diclofenac Potassium Standard
  • CAT. No.D010010A
  • CAS. No.15307-81-0
  • Mol. F.C14H10Cl2KNO2
  • Mol. W.334.24 g/mol
  • Stock Status:Limited Stock
Product View
Product Compare
Diclofenac Diethyl Amine Salt
Diclofenac Diethyl Amine Salt
  • CAT. No.D010011
  • CAS. No.78213-16-8
  • Mol. F.C18H22Cl2N2O2
  • Mol. W.369.29 g/mol
  • Stock Status:Instock
Product View
Product Compare
2-Bromo-6-chlorobenzoic acid
2-Bromo-6-chlorobenzoic acid
  • CAT. No.D010012
  • CAS. No.93224-85-2
  • Mol. F.C7H4BrClO2
  • Mol. W.235.47 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac EP Impurity F
Diclofenac EP Impurity F
  • CAT. No.D010013
  • CAS. No.560075-65-2
  • Mol. F.C14H10Cl3NO
  • Mol. W.314.59 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Impurity 27
Diclofenac Impurity 27
  • CAT. No.D010015
  • CAS. No.1609187-30-5
  • Mol. F.C28H20Cl4N2O4
  • Mol. W.590.28 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Impurity 17
Diclofenac Impurity 17
  • CAT. No.D010016
  • CAS. No.24542-74-3
  • Mol. F.C14H7Cl2NO2
  • Mol. W.292.12 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Desacetate Impurity
Diclofenac Desacetate Impurity
  • CAT. No.D010018
  • CAS. No.15307-93-4
  • Mol. F.C12H9Cl2N
  • Mol. W.238.11 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Isopropyl Ester
Diclofenac Isopropyl Ester
  • CAT. No.D010019
  • CAS. No.66370-79-4
  • Mol. F.C17H17Cl2NO2
  • Mol. W.338.23 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac bromo impurity
Diclofenac bromo impurity
  • CAT. No.D010022
  • CAS. No.1219112-85-2
  • Mol. F.C14H9BrClNO
  • Mol. W.322.58 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Keto Diclofenac Sodium Salt
Keto Diclofenac Sodium Salt
  • CAT. No.D010023
  • CAS. No.70757-34-5
  • Mol. F.C14H8Cl2NNaO3
  • Mol. W.332.11 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Keto Analog
Diclofenac Keto Analog
  • CAT. No.D010023A
  • CAS. No.66156-75-0
  • Mol. F.C14H9Cl2NO3
  • Mol. W.310.13 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Chloroacetyl Impurity
Diclofenac Chloroacetyl Impurity
  • CAT. No.D010024
  • CAS. No.15308-01-7
  • Mol. F.C14H10Cl3NO
  • Mol. W.314.59 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Dodecyl Ester
Diclofenac Dodecyl Ester
  • CAT. No.D010025
  • CAS. No.NA
  • Mol. F.C26H35Cl2NO2
  • Mol. W.464.47 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac PEG ester
Diclofenac PEG ester
  • CAT. No.D010027
  • CAS. No.120339-19-7
  • Mol. F.C16H15Cl2NO3
  • Mol. W.340.20 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
2-Chloro-N-phenylacetamide
2-Chloro-N-phenylacetamide
  • CAT. No.D010028
  • CAS. No.587-65-5
  • Mol. F.C8H8ClNO
  • Mol. W.169.61 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Glyceryl Adduct
Diclofenac Glyceryl Adduct
  • CAT. No.D010030
  • CAS. No.221016-39-3
  • Mol. F.C17H17Cl2NO4
  • Mol. W.370.23 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Related Compound 14
Diclofenac Related Compound 14
  • CAT. No.D010033
  • CAS. No.3644-56-2
  • Mol. F.C8H6Cl3NO
  • Mol. W.238.5 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Impurity 3
Diclofenac Impurity 3
  • CAT. No.D010034
  • CAS. No.131023-44-4
  • Mol. F.C14H10ClNO2
  • Mol. W.259.69 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Impurity 4
Diclofenac Impurity 4
  • CAT. No.D010035
  • CAS. No.131023-43-3
  • Mol. F.C14H11NO2
  • Mol. W.225.24 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Acyl-beta-D-glucuronide
Diclofenac Acyl-beta-D-glucuronide
  • CAT. No.D010036
  • CAS. No.64118-81-6
  • Mol. F.C20H19Cl2NO8
  • Mol. W.472.27 g/mol
  • Stock Status:Limited Stock
Product View
Product Compare
1-(2,6-dichlorophenyl)-1-2-dihydrobenzo[b]azete
1-(2,6-dichlorophenyl)-1-2-dihydrobenzo[b]azete
  • CAT. No.D010037
  • CAS. No.NA
  • Mol. F.C13H9Cl2N
  • Mol. W.250.12 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Related Compound 1
Diclofenac Related Compound 1
  • CAT. No.D010039
  • CAS. No.928343-25-3
  • Mol. F.C14H9Cl2NO3
  • Mol. W.310.13 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac 2,5-Quinone Imine
Diclofenac 2,5-Quinone Imine
  • CAT. No.D010040
  • CAS. No.1254576-93-6
  • Mol. F.C14H9Cl2NO3
  • Mol. W.310.13 g/mol
  • Stock Status:Limited Stock
Product View
Product Compare
Diclofenac Impurity 13
Diclofenac Impurity 13
  • CAT. No.D010041
  • CAS. No.1205-40-9
  • Mol. F.C12H10ClN
  • Mol. W.203.67 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 14
Diclofenac Impurity 14
  • CAT. No.D010042
  • CAS. No.58373-59-4
  • Mol. F.C12H9Cl2N
  • Mol. W.238.11 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Dimer Impurity
Diclofenac Dimer Impurity
  • CAT. No.D010043
  • CAS. No.1609187-32-7
  • Mol. F.C28H20Cl4N2O4
  • Mol. W.590.28 g/mol
  • Stock Status:Instock
Product View
Product Compare
N-dichloroacetyl-2,6-dichlorodiphenylamine
N-dichloroacetyl-2,6-dichlorodiphenylamine
  • CAT. No.D010044
  • CAS. No.NA
  • Mol. F.C14H9Cl4NO
  • Mol. W.349.04 g/mol
  • Stock Status:Instock
Product View
Product Compare
N-Nitrosodiclofenac
N-Nitrosodiclofenac
  • CAT. No.D010045
  • CAS. No.66505-80-4
  • Mol. F.C14H10Cl2N2O3
  • Mol. W.325.15 g/mol
  • Stock Status:Instock
Product View
Product Compare
3-amino-1-(2,6-dichlorophenyl)-3H-indol-2-one
3-amino-1-(2,6-dichlorophenyl)-3H-indol-2-one
  • CAT. No.D010046
  • CAS. No.NA
  • Mol. F.C14H10Cl2N2O
  • Mol. W.293.15 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 8
Diclofenac Impurity 8
  • CAT. No.D010047
  • CAS. No.95093-56-4
  • Mol. F.C17H17Cl2NO3
  • Mol. W.354.23 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
(E)-1-(2,6-Dichlorophenyl)-3-ethylideneindolin-2-one
(E)-1-(2,6-Dichlorophenyl)-3-ethylideneindolin-2-one
  • CAT. No.D010049
  • CAS. No.NA
  • Mol. F.C16H11Cl2NO
  • Mol. W.304.17 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
(Z)-1-(2,6-Dichlorophenyl)-3-ethylideneindolin-2-one
(Z)-1-(2,6-Dichlorophenyl)-3-ethylideneindolin-2-one
  • CAT. No.D010050
  • CAS. No.NA
  • Mol. F.C16H11Cl2NO
  • Mol. W.304.17 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Diethanolamine
Diclofenac Diethanolamine
  • CAT. No.D010051
  • CAS. No.80636-44-8
  • Mol. F.C18H22Cl2N2O4
  • Mol. W.401.28 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 31
Diclofenac Impurity 31
  • CAT. No.D010053
  • CAS. No.575-90-6
  • Mol. F.C8H6Cl2O3
  • Mol. W.221.04 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
2-methoxy-2-oxoethyl2-(2-((2,6-dichlorophenyl)(nitroso)amino)phenyl)acetate
2-methoxy-2-oxoethyl2-(2-((2,6-dichlorophenyl)(nitroso)amino)phenyl)acetate
  • CAT. No.D010054
  • CAS. No.NA
  • Mol. F.C17H14Cl2N2O5
  • Mol. W.397.21 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Desacetate Nitroso Impurity
Diclofenac Desacetate Nitroso Impurity
  • CAT. No.D010056
  • CAS. No.NA
  • Mol. F.C12H8Cl2N2O
  • Mol. W.267.10 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 33
Diclofenac Impurity 33
  • CAT. No.D010057
  • CAS. No.NA
  • Mol. F.C14H22N2O3
  • Mol. W.266.34 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Nitroso Impurity 1
Diclofenac Nitroso Impurity 1
  • CAT. No.D010058
  • CAS. No.68962-15-2
  • Mol. F.C12H9ClN2O
  • Mol. W.232.67 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
3`-Hydroxydiclofenac
3`-Hydroxydiclofenac
  • CAT. No.D010059
  • CAS. No.69002-85-3
  • Mol. F.C14H11Cl2NO3
  • Mol. W.312.15 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
o-Chloroacetanilide
o-Chloroacetanilide
  • CAT. No.D010060
  • CAS. No.533-17-5
  • Mol. F.C8H8ClNO
  • Mol. W.169.61 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac (E/Z Mixture) Impurity 18
Diclofenac (E/Z Mixture) Impurity 18
  • CAT. No.D010062
  • CAS. No.NA
  • Mol. F.C16H11Cl2NO
  • Mol. W.304.17 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Cholestyramine
Diclofenac Cholestyramine
  • CAT. No.D010063
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
Product View
Product Compare
N-Hydroxy Diclofenac
N-Hydroxy Diclofenac
  • CAT. No.D010064
  • CAS. No.NA
  • Mol. F.C14H11Cl2NO3
  • Mol. W.312.15 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 34
Diclofenac Impurity 34
  • CAT. No.D010065
  • CAS. No.3342-78-7
  • Mol. F.C8H9NO2
  • Mol. W.151.17 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 29
Diclofenac Impurity 29
  • CAT. No.D010066
  • CAS. No.101-87-1
  • Mol. F.C18H22N2
  • Mol. W.266.38 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
N-Nitroso Diclofenac EP Impurity B
N-Nitroso Diclofenac EP Impurity B
  • CAT. No.D010067
  • CAS. No.NA
  • Mol. F.C13H8Cl2N2O2
  • Mol. W.295.10 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
N-Nitroso Diclofenac EP Impurity C
N-Nitroso Diclofenac EP Impurity C
  • CAT. No.D010068
  • CAS. No.NA
  • Mol. F.C13H10Cl2N2O2
  • Mol. W.297.10 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac-propyleneglycolester (Mixture of primary and secondary)Primary Ester
Diclofenac-propyleneglycolester (Mixture of primary and secondary)Primary Ester
  • CAT. No.D010069
  • CAS. No.NA
  • Mol. F.C17H17Cl2NO3
  • Mol. W.354.22 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
4-Hydroxy Diclofenac Acyl Glucuronide
4-Hydroxy Diclofenac Acyl Glucuronide
  • CAT. No.D010070
  • CAS. No.NA
  • Mol. F.C20H19Cl2NO9
  • Mol. W.488.27 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac bromo impurity 1
Diclofenac bromo impurity 1
  • CAT. No.D010071
  • CAS. No.NA
  • Mol. F.C14H11BrClNO2
  • Mol. W.340.60 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac Impurity 1
Diclofenac Impurity 1
  • CAT. No.D010072
  • CAS. No.614-75-5
  • Mol. F.C8H8O3
  • Mol. W.152.15 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 5
Diclofenac Impurity 5
  • CAT. No.D010073
  • CAS. No.146607-19-4
  • Mol. F.C14H11Cl2NO2
  • Mol. W.296.15 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Levomenthol ester
Diclofenac Levomenthol ester
  • CAT. No.D010074
  • CAS. No.2648862-09-1
  • Mol. F.C24H29Cl2NO2
  • Mol. W.434.40 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac Impurity 6
Diclofenac Impurity 6
  • CAT. No.D010075
  • CAS. No.2180935-53-7
  • Mol. F.C28H20Cl4N2O4
  • Mol. W.590.30 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare

Isotope Labelled Compounds

Diclofenac D4
Diclofenac D4
  • CAT. No.D010020
  • CAS. No.153466-65-0
  • Mol. F.C14H7Cl2D4NO2
  • Mol. W.300.17 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac 13C6-Sodium Salt
Diclofenac 13C6-Sodium Salt
  • CAT. No.D010021
  • CAS. No.1261393-73-0
  • Mol. F.C813C6H10Cl2NNaO2
  • Mol. W.324.07 g/mol
  • Stock Status:Instock
Product View
Product Compare
Diclofenac - D6
Diclofenac - D6
  • CAT. No.D010026
  • CAS. No.NA
  • Mol. F.C14H5D6Cl2NO2
  • Mol. W.302.19 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
Diclofenac 13C6-Na Hydrate
Diclofenac 13C6-Na Hydrate
  • CAT. No.D010029
  • CAS. No.NA
  • Mol. F.C813C6H10Cl2NNaO2.4.5H2O
  • Mol. W.405.07 g/mol [324.09g/mol (anhydrous); 302.10g/mol (acid)]
  • Stock Status:Under Synthesis
Product View
Product Compare
4`-Hydroxy Diclofenac-D4
4`-Hydroxy Diclofenac-D4
  • CAT. No.D010052
  • CAS. No.254762-27-1
  • Mol. F.C14H7D4Cl2NO3
  • Mol. W.316.17 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare
N-Nitroso Diclofenac D4
N-Nitroso Diclofenac D4
  • CAT. No.D010055
  • CAS. No.NA
  • Mol. F.C14H6D4Cl2N2O3
  • Mol. W.329.20 g/mol
  • Stock Status:Custom Synthesis
Product View
Product Compare