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Piperacillin Impurity 4

SZ CAT No SZ-P048020
Mol.F. C41H48N8O10S2 
Mol.Wt. 877.0
Inv. Status Custom Synthesis

Chemical Name: Ethyl (2S,6R)-6-((2R)-2-((2S,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-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

Smiles: O=C1N(C(N[C@@H](C(N[C@@H](C2N3[C@@H](C(N[C@@H](C(N[C@@H]4C(N5C4SC(C)(C)[C@@H]5C(OCC)=O)=O)=O)C6=CC=CC=C6)=O)C(C)(C)S2)C3=O)=O)C7=CC=CC=C7)=O)CCN(CC)C1=O

Inchi: InChI=1S/C46H56N10O15S2/c1-7-52-19-21-54(37(62)35(52)60)43(70)49-25(23-15-11-9-12-16-23)31(57)47-27(40(64)65)33-51-29(45(3,4)72-33)34(59)56-30(42(68)69)46(5,6)73-39(56)28(41(66)67)48-32(58)26(24-17-13-10-14-18-24)50-44(71)55-22-20-53(8-2)36(61)38(55)63/h9-18,25-30,33,39,51H,7-8,19-22H2,1-6H3,(H,47,57)(H,48,58)(H,49,70)(H,50,71)(H,64,65)(H,66,67)(H,68,69)/t25-,26-,27+,28+,29+,30+,33-,39?/m1/s1

Quantification of cefepime, meropenem, piperacillin, and tazobactam in human plasma using a sensitive and robust liquid chromatography-​tandem mass spectrometry method, part 2: stability evaluation
By D'cunha, Ronilda; Bach, Thanh; Young, Beth Ann; Li, Peizhi; Nalbant, Demet; Zhang, Jun; Winokur, Patricia; An, Guohua
From Antimicrobial Agents and Chemotherapy (2018), 62(9), e00861-18/1-e00861-18/9
Stability indicating RP-​HPLC method for the determination of Piperacillin and Tazobactam and their related substances in bulk and pharmaceutical formulation
By Navle, Khyathi; Prasanna, B. Lakshmi; Dometti, Hema Sree; Moodu, Shankar
From World Journal of Pharmacy and Pharmaceutical Sciences (2017), 6(8), 1760-1774

Therapeutic drug monitoring of beta-​lactam antibiotics - Influence of sample stability on the analysis of piperacillin, meropenem, ceftazidime and flucloxacillin by HPLC-​UV
By Pinder, Nadine; Brenner, Thorsten; Swoboda, Stefanie; Weigand, Markus A.; Hoppe-Tichy, Torsten
From Journal of Pharmaceutical and Biomedical Analysis (2017), 143, 86-93