Aminophylline is a theophylline-ethylenediamine complex with improved water solubility, acting as a bronchodilator through phosphodiesterase inhibition and adenosine-receptor antagonism, historically used intravenously for severe asthma and COPD exacerbations. Simson Pharma's Aminophylline reference standard and impurities support compendial testing for this long-established respiratory therapy.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Aminophylline Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.