Telmisartan is also recognised by a unique serial number CAS NO 144701-48-4. This serial number is assigned by the ACS (American Chemical Society) whose main objective is to create a database for all chemical compounds and substances known to mankind across the globe. As of date, at least 250 million unique chemical substances are registered in their database. All the relevant information for each chemical component is indexed and arranged for easy retrieval and management for long-term purposes. This data is particularly of use to manufacturing companies, regulatory bodies, research bodies, and medical institutions among others.