| Not official USP-NF text | ||||
| BENDROFLUMETHIAZIDE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 0(0) | L11 | ZORBAX Eclipse XDB Phenyl | Limit of . . . . . . . . . | Limit of 2,4-disulfamyl-5-trifluoromethylaniline. 25 cm x 4.6 mm, 5 µm, manufacturer Agilent Technologies. |
| 9(2) | L11 | MicroBondapak Phenyl | Limit of . . . . . . . . . | 2,4-disulfamyl-5-trifluoromethylaniline |
| 9(2) | L11 | Chromegabond P(Phenyl) | Limit of . . . . . . . . . | 2-4-disulfamyl-5-trifluoromethylaniline { Alternative reagent |
| 17(3) | G43 | None Cited | Organic volat. impurities | See Method V  467 |