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Off-Patent APIs

Off-Patent APIs

Pharma Solutions has developed a range of off-patent APIs for global markets. We have a presence in over 63 countries with an established network of distributors in several Asian, Latin American and EU countries. We supply leading Generic and big Pharma companies from our network of internationally compliant manufacturing sites across North America, the UK and India

We develop and commercialize off-patent APIs and supply to our Global customers. We have a product basket of 18 APIs with DMFs & other regulatory filings and a pipeline of about 20 APIs at various stages of development.


We are the leading manufacturers for the following off-patent APIs:

Commercial APIs

Product Category CAS No. Regulatory Filings
US-DMF # DMF-CTD CEP
Diltiazem Anti-hypertensive 42399-41-7 14713 Y Y
Verapamil Anti-hypertensive 52-53-9 16605 Y Y
Ketoconazole Anti-fungal 65277-42-1 17290 Y Y
Amiodarone Anti-arrhythmic 1951-25-3 21694 Y Y
Oxybutynin Hcl Urinary Incontinence 5633-20-5 19447 Y Y
Misoprostol Anti-ulcerant 59122-46-2 21188 Y Y
Trazodone Anti-depressant 19794-93-5 20920 Y  
dl-Cloprostenol Sodium* Luteolytic Agent 55028-72-3 15758 Y  
Quetiapine Anti-depressant 111974-72-2 24816 Y  
Tramadol Analgesic 36282-47-0 24954 Y  
Gemfibrozil Anti-hyperlipidemic 25812-30-0 20437 Y  
Acyclovir Anti-viral 59277-89-3 25389 Y  
Aprepitant Anti-emetic 170729-80-3 26065 Y  
Sulindac NSAID 38194-50-2 26004 Y  
Valacyclovir Anti-viral 124832-26-4   Y  
Mebeverine Anti-spasmodic 2753-45-9   Y  
Monosulfiram Ectoparasiticide 95-05-6   Y  
Camylofin Anti-spasmodic 5892-41-1      

* Veterinary Drug



APIs Under Development

Product Category CAS No. Status
Lab Development Validations DMF Filing
Antihypertensives:          
Irbesartan Anti-hypertensive 138402-11-6 Completed Completed Oct-2012
Perindopril Anti-hypertensive 99149-83-4 Completed Nov-2012 Mar-2013
CNS Drugs:          
Donepezil Anti-Alzheimer's 142057-77-0 Completed Nov-2012 Mar-2013
Pramipexole Anti-Parkinsons 104632-26-0 Completed Nov-2012 Mar-2013
Pregabalin Anti-convulsant 148553-50-8 Completed Dec-2012 Apr-2013
Fosaprepitant Anti-emetic 172673-20-0 Mar-2013 May-2013 Sep-2013
Others:          
Allopurinol Anti-hyperurecemia 315-30-0 Completed Aug-2012 Dec-2012
Metaxalone Muscle relaxant 1665-48-1 Completed Sep-2012 Jan-2013
Emtricitabine Anti-viral 145213-48-5 Completed Dec-2012 Apr-2013

Products protected by valid patents are not offered for sale in countries where the sale of such products constitutes a patent infringement.
However, the final responsibility, with respect to third party patent rights in a specific country, lies exclusively with the user.