| Not official USP-NF text | ||||
| THIAMINE HYDROCHLORIDE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 12(5) | L1 | MicroBondapak C18 | Assay | NULL |
| 16(1) | L1 | Nucleosil C18 | Assay | NULL |
| 23(2) | L1 | Wakopak Wakosil-II 5 C18-100 | Chromatographic purity | 4.6 mm x 15 cm, manuf. SGE International. |
| 16(5) | G27 | None Cited | Organic volat. impurities | See Method I  467 |
| 19(4) | G43 | None Cited | Organic volat. impurities | See Method IV 467 |