Piperacillin methyl ester impurity

Name	Piperacillin Methyl Ester
Synonyms	Piperacillin Methyl Ester Piperacillin methyl ester impurity methyl(5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-, methyl ester, [2S-[2α,5α,6β(S*)]]- (9CI)
CAS	65700-41-6

Molecular Formula	C24H29N5O7S
Molar Mass	531.58
Melting Point	184 - 198°C
Solubility	DMSO (Slightly, Sonicated), Methanol (Slightly, Heated)
Appearance	Solid
Color	White to Off-White
Storage Condition	Hygroscopic, -20°C Freezer, Under inert atmosphere
Stability	Hygroscopic

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