The chemical Sulfamerazine has a designated molecular formula of C11H12N4O2S and a molecular weight of 264.303 g/mol. Synonyms may include: A-310, 2632 R. P., 5-25-10-00167 (Beilstein Handbook Reference), AI3-08026, 2-(4-Aminobenzenesulfonamido)-4-methylpyrimidine, (p-Aminobenzolsulfonyl)-2-amino-4-methylpyrimidin [German], Benzenesulfonamide, 4-amino-N-(4-methyl-2-pyrimidinyl)-, BRN 0249133, Cremomerazine, Debenal-M, EINECS 204-866-2 (ChemID). Sulfamerazine has been assigned a MeSH pharmacological action of: Antibacterial.