CAS No:27164-46-1||Chemical Formula:C14H13N8NaO4S3 ||Molecular Weight:476.47977||Exact Mass:476.01196||Sodium (6R,7R)-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-7-[(1H-tetrazol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate