Alprenolol is an early-generation, non-selective beta-adrenergic blocker once used for hypertension and arrhythmia management, now retained mainly for legacy formulations and pharmacological reference purposes. Simson Pharma's Alprenolol reference standard supports manufacturers maintaining region-specific legacy product lines.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Alprenolol 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.