Macitentan 4-Chloro Analog Catalogue M102655 CAS 441798-36-3 M.W 543.82 M.F C19H20BrClN6O4S Specifications FAQs N-[6-[2-[(5-Bromo-2-pyrimidinyl)oxy]ethoxy]-5-(4-chlorophenyl)-4-pyrimidinyl]-N'-propylsulfamide