CEPHALEXIN
According to the official FDA enforcement report:
Failed Impurities/Degradation Specifications An out-of-specification result was observed in the related substance test at the sixth month of stability analysis. The individual impurity was identified to be Cephalexin Glucose Adduct.
Cephalexin for Oral Suspension, USP, 125 mg per 5 mL, 100 mL (when mixed), Rx Only, Manufactured by: Alkem Laboratories Ltd., India, Distributed by: Ascent Laboratories, LLC, Parsippany, NJ 07054, NDC 67877-544-88
Nationwide in the USA.
Official Source Provenance
Verified regulatory citation from U.S. FDA OpenFDA