El principal ingrediente de este producto es la ceftriaxona sódica. Its chemical name is [6R[6α,7β(Z)]]-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazine-3-yl)thio]methyl]-7-[[(2-amino-4-thiazolyl](methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-eno-2-carboxílico sal disódica triple hemihidrato. Fórmula molecular: C18H16N8Na2O7S3-7/2H2O Peso molecular: 661,59