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Cefalexin EP Impurity A 

SZ CAT No SZ-C018002
CAS No 875-74-1
Mol.F. C8H9NO2 
Mol.Wt. 151.2
Inv. Status Out of Stock
Same As SZ-A026012, SZ-C067002,
Rel. CAS No 25705-52-6 (HCl salt) ; 56337-83-8 (Na salt) ; 37661-32-8 (K salt) ; 91224-38-3 (Sulfate salt)


Chemical Name: (2R)-2-Amino-2-phenylacetic acid (as per EP)

Synonym: Cefaclor EP Impurity A ; D-Phenylglycine

Multidimensional evaluation of impurity profiles for generic cephalexin and cefaclor antibiotics
B.A. Olsen*, S.W. Baertschi and R.M. Riggin
Journal of Chromatography, 648 (1993) 165-173
 
Chemistry of Cephalosporin Antibiotics. XIII. Ilesac-etoxycephalosporins. The Synthesis of Cephalexin' and Soine Analogs
Charles W. Ryan, R. L. Simon, and Earle M. Van Heyningen
J. Med. Chem. 1969, 12, 2, 310–313
 
Stress Studies and Identification of Degradation Products of Cephalexin Using LC–PDA and LC–MS/MS
V. T. Gawande, K. G. Bothara & A. M. Marathe
Chromatographia volume 80, pages1545–1552(2017)