Search products

Search by product name, CAT, CAS, molecular formula or chemical name.

Trusted Partner for Reference Standards and Beyond
Products About us Facility Quality system OUR DIVISIONS SimSon Chemtech Speciality & fine chemicals SimSon Chemie Research chemicals supply SimSon Lifescience Services CRO, CDMO & analytical testing Contact us Careers

Diclofenac Sodium Related Compounds & Impurities

Diclofenac Sodium is a sodium-salt phenylacetic-acid NSAID with preferential COX-2 inhibition, one of the most widely prescribed anti-inflammatory and analgesic drugs globally.

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 Diclofenac Sodium reference standards, pharmacopeial and non-pharmacopeial Diclofenac Sodium 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 Diclofenac Sodium-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.

Impurity Standards

3`-Hydroxydiclofenac

CAT. No.D010059 CAS No.69002-85-3 Mol. F.C14H11Cl2NO3 Mol. W.312.15 g/mol Stock Status Custom Synthesis
COA MSDS

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
COA MSDS

Diclofenac bromo impurity

CAT. No.D010022 CAS No.1219112-85-2 Mol. F.C14H9BrClNO Mol. W.322.58 g/mol Stock Status Custom Synthesis
COA MSDS

Diclofenac Carboxylic Acid

CAT. No.D010007 CAS No.13625-57-5 Mol. F.C13H9Cl2NO2 Mol. W.282.12 g/mol Stock Status Instock
COA MSDS

Isotope Labelled Compounds

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
COA MSDS

Diclofenac - D6

CAT. No.D010026 CAS No.NA Mol. F.C14H5D6Cl2NO2 Mol. W.302.19 g/mol Stock Status Custom Synthesis
COA MSDS

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
COA MSDS

Diclofenac 13C6-Sodium Salt

CAT. No.D010021 CAS No.1261393-73-0 Mol. F.C813C6H10Cl2NNaO2 Mol. W.324.07 g/mol Stock Status Instock
COA MSDS

Diclofenac D4

CAT. No.D010020 CAS No.153466-65-0 Mol. F.C14H7Cl2D4NO2 Mol. W.300.17 g/mol Stock Status Instock
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
SimSon — Science Standards Solutions
D-U-N-S Registered — Dun & Bradstreet D-U-N-S® REGISTERED Verified by Dun & Bradstreet
OFFICES & LABORATORIES
REGISTERED OFFICE · MUMBAI B-307, Sarita Building, Prabhat Industrial Estate, Near Dahisar Toll Naka, Dahisar (East), Mumbai- 400068, Maharashtra, India
CORPORATE OFFICE · MUMBAI Unit 1001-1006, The Platina, Tanvi Complex, S. V. Road, Dahisar East, Mumbai 400068, India
LABORATORY · HYDERABAD Shed 6A, TYPE III, TSIIC, Prashanthi Nagar, Kukatpally, Hyderabad 500072, India
REGIONAL OFFICE · AHMEDABAD Survey Number 375 Paiki 1, Plot Number 11, Shivam 5, Near Sumip Composite, Panchratna Estate, Village Changodar, Taluka Sanand, District Ahmedabad, Gujarat-382213
TALK TO THE RIGHT DESK
© 2026 SimSon Pharma Limited · All rights reserved