Not official USP-NF text
METHOTREXATE
PF LGS# Brand Type of Test Additional Information
36(4) L1 Kromasil C18 Assay and Organic Impurities 4.6 mm x 25 cm, 5 µm.
0(0) L1 LiChrosorb RP-18 Assay and Related Compounds 4.6 mm x 25 cm
18(4) L1 Spherisorb ODS1 Chromatographic purity See Assay
36(4) L75 Resolvosil BSA Enantiomeric purity 4.00 mm x 15 cm, 7 µm.
36(4) G6 Rtx-200 Enantiomeric purity 4.0 mm x 15 cm, 7 µm.
17(3) G43 None Cited Organic volatile impurities See Method V 467