CAS Registry Number

CAS 441798-33-0 — Macitentan

Macitentan is a potent endothelin receptor antagonist used in the treatment of pulmonary arterial hypertension. It functions by blocking endothelin, a substance that narrows blood vessels and increases blood pressure. Available with CAS number 441798-33-0, its molecular formula is C19H20Br2N6O4S and molecular weight is 588.27 g/mol. Store at -15 to -20 °C. Signal word: Danger. Molekula supplies Macitentan from research to bulk quantities with full documentation and ISO 9001:2015 traceability.