| Not official USP-NF text | ||||
| CHLOROTHIAZIDE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 8(5) | L1 | ZORBAX ODS | Assay | 5-µm; reprinted 13(3) |
| 8(5) | L1 | ZORBAX ODS | Chromatographic purity | See Assay; title changed to "Limit of . ." 13(3) |
| 13(3) | L1 | ZORBAX ODS | Limit of . . . . . . . . . | Limit of 4-amino-6-chloro-1,3-benzenedisulfonamide. |
| 17(3) | G43 | None Cited | Organic volat. impurities | See Method V  467 |