| Not official USP-NF text | ||||
| HYDRALAZINE HYDROCHLORIDE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 9(6) | L9 | Partisil 10 SCX | Assay | NULL |
| 10(6) | L1 | MicroBondapak C18 | Assay | NULL |
| 17(3) | L10 | Nucleosil CN | Assay & Chrom. purity | |
| 17(3) | L1 | Nucleosil C18 | Limit of . . . . . . . . . | hydrazine |
| 16(3) | G27 | None Cited | Organic volat. impurities | See Method I  467 |