Product Name: Pyrantel Pamoate Sigmaultra Synonyms: Pyrantel Pamoate; 1, 4, 5, 6-tetrahydro-1-methyl-2-( ( E) -2-( 2-thienyl) vinyl) pyrimidine 4, 4' -methylenebis( 3-hydroxy-2-naphthoate) ; 4, 4' -methylenebis( 3-hydroxy-2-napht hoic acid) compounded with ( E) -1, 4, 5, 6-tetrahydro-1-methyl-2-( 2-( 2-thienyl) vinyl) pyrimidine ( 1: 1) ; antiminth; cobantril; combantrin; cp-10423-16; Dog Wormer; helmex; lombriareu; pirantel pamoate; pyrantel embonate; pyrantel pamoate; trilombrin CAS RN.: 22204-24-6 EINECS: 244-837-1 Molecular Weight: 594.68 Molecular Formula: C11H14N2S.C23H16O6