CAS No:724695-30-1 ||Chemical Formula:C19H18ClN3O5S ||Molecular Weight:435.87900 ||Exact Mass:435.06557||(2S,5R,6R)-6-[[[3-(chlorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (cloxacillin isomer)