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

Atorvastatin Calcium Related Compounds & Impurities

Atorvastatin Calcium is an HMG-CoA reductase inhibitor that reduces LDL cholesterol and cardiovascular events, among the most widely prescribed medicines 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 Atorvastatin Calcium reference standards, pharmacopeial and non-pharmacopeial Atorvastatin Calcium 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 Atorvastatin Calcium-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

Atorvastatin EP Impurity Q

CAT. No.A120091 CAS No.906552-18-9 Mol. F.C33H35FN2O6 Mol. W.574.64 g/mol Stock Status Instock
COA MSDS

Atorvastatin Impurity 1

CAT. No.A120145 CAS No.NA Mol. F.C33H35FN2O6 Mol. W.574.64 g/mol Stock Status Custom Synthesis
COA MSDS

Atorvastatin Impurity 14

CAT. No.A120080 CAS No.1403667-07-1 Mol. F.C14H9Cl2FO Mol. W.283.13 g/mol Stock Status Instock
COA MSDS

Atorvastatin Impurity 18

CAT. No.A120061 CAS No.141942-85-0 Mol. F.C7H11NO3 Mol. W.157.17 g/mol Stock Status Custom Synthesis
COA MSDS

Atorvastatin Impurity 28

CAT. No.A120059 CAS No.2514955-94-1 Mol. F.C14H9Br2FO Mol. W.372.03 g/mol Stock Status Custom Synthesis
COA MSDS

Atorvastatin Impurity 37

CAT. No.A120058 CAS No.88675-31-4 Mol. F.C14H10BrFO Mol. W.293.13 g/mol Stock Status Custom Synthesis
COA MSDS

Atorvastatin Impurity 38

CAT. No.A120057 CAS No.124401-38-3 Mol. F.C12H15NO2 Mol. W.205.25 g/mol Stock Status Instock
COA MSDS

Atorvastatin Impurity 48

CAT. No.A120082 CAS No.NA Mol. F.C42H70N2O2.2HCl Mol. W.707.94 g/mol Stock Status Custom Synthesis
COA MSDS

Atorvastatin Lactone Dimer

CAT. No.A120075 CAS No.NA Mol. F.C66H66F2N4O8 Mol. W.1081.25 g/mol Stock Status Custom Synthesis
COA MSDS

Atorvastatin Oxirane Impurity

CAT. No.A120064 CAS No.1246818-88-1 Mol. F.C26H24FNO3 Mol. W.417.47 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