Not official USP-NF text
IOHEXOL
PF LGS# Brand Type of Test Additional Information
17(4) L1 None Cited Limit of . . . . . . . . . O-alkylated compounds
17(4) S6 None Cited Limit of . . . . . . . . . methanol, isopropyl alcohol and 2-methoxyethanol
17(4) S6 None Cited Limit of . . . . . . . . . 3-chloro-1,2-propanediol