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

Nepafenac Related Compounds & Impurities

Nepafenac is an NSAID prodrug ophthalmic suspension used for pain and inflammation following cataract surgery.

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 Nepafenac reference standards, pharmacopeial and non-pharmacopeial Nepafenac 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 Nepafenac-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

2-(Methylthio)acetamide

CAT. No.N170005 CAS No.22551-24-2 Mol. F.C3H7NOS Mol. W.105.16 g / mol Stock Status Custom Synthesis
COA MSDS

Nepafenac Impurity 1

CAT. No.N170013 CAS No.1881270-49-0 Mol. F.C15H12N2O2 Mol. W.252.27 g/mol Stock Status Custom Synthesis
COA MSDS

Nepafenac Impurity 3

CAT. No.N170009 CAS No.98790-48-8 Mol. F.C14H11NO3 Mol. W.241.24 g/mol Stock Status Custom Synthesis
COA MSDS

Nepafenac Impurity 5

CAT. No.N170007 CAS No.78281-71-7 Mol. F.C15H13ClN2O2 Mol. W.288.73 g/mol Stock Status Custom Synthesis
COA MSDS

Nepafenac Impurity 6

CAT. No.N170012 CAS No.78281-75-1 Mol. F.C16H16N2O2 Mol. W.268.30 g/mol Stock Status Limited Stock
COA MSDS

Nepafenac Impurity A

CAT. No.N170001 CAS No.2835-77-0 Mol. F.C13H11NO Mol. W.197.23 g/mol Stock Status Instock
COA MSDS

Nepafenac Impurity B

CAT. No.N170003 CAS No.78281-61-5 Mol. F.C16H16N2O2S Mol. W.300.38 g/mol Stock Status Instock
COA MSDS

Nepafenac Impurity C

CAT. No.N170006 CAS No.2731586-58-4 Mol. F.C15H13ClN2O2 Mol. W.288.73 g/mol Stock Status Instock
COA MSDS

Nepafenac Impurity D

CAT. No.N170002 CAS No.51135-38-7 Mol. F.C15H11NO2 Mol. W.237.35 g/mol Stock Status Instock
COA MSDS

Nepafenac Impurity E

CAT. No.N170004 CAS No.1246956-18-2 Mol. F.C15H16N2O2 Mol. W.256.30 g/mol Stock Status Instock
COA MSDS

Working Standards

Nepafenac

CAT. No.N170000 CAS No.78281-72-8 Mol. F.C15H14N2O2 Mol. W.254.28 g/mol Stock Status Instock
COA MSDS

Isotope Labelled Compounds

Nepafenac-D5

CAT. No.N170011 CAS No.1246814-53-8 Mol. F.C15H9D5N2O2 Mol. W.259.32 g/mol Stock Status Custom Synthesis
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