CAS Registry Number

CAS 147536-97-8 — Bosentan

Bosentan is a selective endothelin receptor antagonist used in the treatment of pulmonary arterial hypertension. It works by blocking endothelin, a substance that narrows blood vessels. Available as a white to off-white powder, Bosentan has a molecular formula of C27H29N5O6S, a molecular weight of 551.61 g/mol, and a CAS number of 147536-97-8. It should be stored at 2 to 8 °C and is classified with a warning signal word. Molekula supplies Bosentan from research to bulk quantities with full documentation and ISO 9001:2015 traceability.