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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Diclofenac, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Diclofenac impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Diclofenac-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Diclofenac Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[Ring-13C6]-Diclofenac Stable Isotopes CS-EK-00123 1261393-71-8 Enquire
[U-Ring-13C6]-Diclofenac metabolite Stable Isotopes CS-EK-01954 73328-71-9 unlabeled Enquire
2-(2,6-Dichlorophenoxy)-N-phenylacetamide-13C6 Stable Isotopes CS-T-102436 146607-19-4(Unlabelled) Enquire
2-Chloro-N-(2,6-dichlorophenyl)-N-phenylacetamide-13C6 Stable Isotopes CS-T-102432 15308-01-7(Unlabelled) Enquire
2-Chloro-N-phenylacetamide- 13C6 Stable Isotopes CS-T-102437 587-65-5(Unlabelled) Enquire
4'-Hydroxy Diclofenac-13C6 Stable Isotopes CS-O-13600 1189656-64-1 In Stock
4-Hydroxy Diclofenac-d4 Stable Isotopes CS-T-55794 254762-27-1 In Stock
4-Hydroxy-Diclofenac-d4 Acyl Glucuronide Stable Isotopes CS-P-02886 538357-85-6 (Unlabeled) Enquire
5-Hydroxy Diclofenac-d5 Stable Isotopes CS-T-103971 69002-84-2(unlabelled) Enquire
Diclofenac 13C6 sodium hydrate Stable Isotopes CS-O-34409 Not Available Enquire
Diclofenac 13C6 Sodium Salt Stable Isotopes CS-T-52696 1261393-73-0 Enquire
Diclofenac Amide-13C6 (~5% unlabelled) Stable Isotopes CS-T-100473 Not Available Enquire
Diclofenac-13C6-Na hydrate Stable Isotopes CS-W-00376 Not Available Enquire
Diclofenac-d4 Stable Isotopes CS-O-06542 153466-65-0 In Stock
Diclofenac-d4 Sodium Salt (phenyl-d4-acetic) Stable Isotopes CS-C-00753 154523-54-3 Enquire
Diclofenac-d6 Stable Isotopes CS-O-15041 1401311-57-6 Enquire
N-(2,6-Dichlorophenyl)aniline-13C6 Stable Isotopes CS-T-102433 15307-93-4(Unlabelled) Enquire
N-Nitroso Diclofenac D4 Stable Isotopes CS-O-49510 66505-80-4 (Unlabelled) Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Diclofenac API Standards CS-O-00235 15307-86-5 In Stock
Diclofenac diethylamine API Standards CS-O-00280 78213-16-8 In Stock
Diclofenac Epolamine API Standards CS-T-52697 119623-66-4 In Stock
Diclofenac Potassium API Standards CS-O-00281 15307-81-0 In Stock
Diclofenac Sodium API Standards CS-O-07097 15307-79-6 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy Diclofenac Metabolites CS-P-02873 Not Available Enquire
4-Hydroxy Diclofenac Metabolites CS-W-00199 64118-84-9 In Stock
Diclofenac ethyl ester Metabolites CS-O-07099 15307-77-4 In Stock
Diclofenac Methyl Ester Metabolites CS-O-07098 15307-78-5 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-hydroxypropan-2-yl 2-(2-((2,6-dichlorophenyl)amino)phenyl)... Impurities CS-O-35425 Not Available Enquire
2-hydroxypropyl 2-(2-((2,6-dichlorophenyl)amino)phenyl)aceta... Impurities CS-O-35424 95093-56-4 In Stock
3’-Hydroxy Diclofenac Impurities CS-T-78711 69002-85-3 Enquire
3-benzylidene Diclofenac Amide Impurities CS-O-45284 461038-74-4 Enquire
3'-Hydroxy-4'-methoxydiclofenac Impurities CS-T-27811 106610-60-0 Enquire
Benzyl Ester of Diclofenac Impurities CS-O-51662 17695-05-5 Enquire
Diclofenac 2,5-Quinone Imine Impurities CS-P-07604 1254576-93-6 Enquire
Diclofenac Carboxylic Acid Impurities CS-T-17657 13625-57-5 In Stock
Diclofenac Chloroacetyl Impurity Impurities CS-O-11371 15308-01-7 In Stock
Diclofenac Dimer Impurity Impurities CS-P-07603 1609187-32-7 Enquire
Diclofenac dodecyl ester Impurities CS-DX-00009 Not Available Enquire
Diclofenac EP Impurity B Impurities CS-T-52646 22121-58-0 In Stock
Diclofenac EP Impurity D Impurities CS-T-17836 127792-45-4 In Stock
Diclofenac EP Impurity E Impurities CS-T-29316 59-48-3 In Stock
Diclofenac EP Impurity F Impurities CS-T-52586 560075-65-2 In Stock
Diclofenac Impurity 2 Impurities CS-P-08531 Not Available Enquire
Diclofenac Impurity 26 Impurities CS-O-58194 1470584-30-5 Enquire
Diclofenac Impurity C Impurities CS-O-31069 27204-57-5 In Stock
Diclofenac Impurity D Impurities CS-P-00399 127792-23-8 In Stock
diclofenac impurity F Impurities CS-DL-00526 124426-56-8 In Stock
Diclofenac Related Compound 3 Impurities CS-P-07605 84803-53-2 Enquire
Diclofenac tetradecyl ester Impurities CS-DX-00010 Not Available Enquire
Keto Diclofenac Sodium Salt Impurities CS-T-56996 70757-34-5 Enquire
N-benzyl diclofenac Impurities CS-O-51664 70690-44-7 In Stock


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Diclofenac sodium (S0765000) EP Standards CS-EG-00475 15307-79-6 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Hydroxy Diclofenac Intermediates CS-T-26710 69002-84-2 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Diclofenac Acyl-β-D-glucuronide Allyl Ester Glucuronides CS-T-52698 698358-10-0 Enquire
Diclofenac Acyl-Beta-D-glucuronide Glucuronides CS-O-07795 64118-81-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Isopropyl Ester of Diclofenac Fine Chemicals CS-CY-00072 66370-79-4 In Stock