Piperacillin sodium

Also known as: Piperacillin sodium salt, Piperacillin (sodium), Sodium (2S,5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, Sodium (2S,5R,6R)-6-{[(2R)-2-{[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino}-2-phenylacetyl]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, (2S,5R,6R)-6-[[(2R)-2-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid monosodium salt, PIPERACILLIN SODIUM, PIPERACILLIN NA, Pentcillin, Cl227193, EINECS 261-868-6, MFCD00917471

Piperacillin sodium (CAS 59703-84-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H26N5NaO7S and a molecular weight of 539.537 g/mol. Key properties include a melting point of 183-185ºC (dec.), a boiling point of 707.1ºC at 760 mmHg and a flash point of 381.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

59703-84-3

Jingsj CID

J-33193-1

Molecular Formula

C₂₃H₂₆N₅NaO₇S

Molecular Weight

539.537 g/mol

Category

Organic Compounds

Last updated

8/21/2026