Not official USP-NF text
FELBAMATE
PF LGS# Brand Type of Test Additional Information
37(3) L1 Hypersil C18 Assay and Organic impurities Used for Organic impurities, early eluting; Organic impurities, late eluting; and Limit of Methylcarbamate. 4.6 mm x 15 cm, 5 µm.