Not official USP-NF text
PHENYTOIN SODIUM
PF LGS# Brand Type of Test Additional Information
13(6) L10 ZORBAX CN Assay NULL
18(5) L1 ZORBAX ODS Assay and Chromatographic purity 5-µm.
27(5) L1 YMC-Pack ODS-AQ Assay and Related Compounds 4.6-mm x 25-cm, 5 µm.
13(6) L10 ZORBAX CN Chromatographic purity and Limit of .... Limit of benzophenone.
18(5) L1 ZORBAX ODS Limit of . . . . . . . . . Limit of benzophenone.
16(3) G27 None Cited Organic volatile impurities See Method I 467
17(5) G43 None Cited Organic volatile impurities See Method V 467