Piperacillin Acid Monohydrate ;
(2S,5R,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid monohydrate ;
CAS # 61477-96-1 (anhydrous) ; 66258-76-2 (monohydrate) ;
C23H29N5O8S (monohydrate) ; MW: 535.57 ;
Supplied as monohydrate ;