Not official USP-NF text
RIBOFLAVIN 5'-PHOSPHATE SODIUM
PF LGS# Brand Type of Test Additional Information
11(6) L1 MicroBondapak C18 Assay NULL
11(6) L1 MicroBondapak C18 Free . . . . . . . . . . . riboflavin and riboflavin diphosphates.
18(3) G43 None Cited Organic volatile impurities See Method IV 467