| Not official USP-NF text | ||||
| PHENOBARBITAL SODIUM | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 15(6) | L1 | MicroBondapak C18 | Assay | See Phenobarbital |
| 15(6) | L1 | MicroBondapak C18 | Identity | See Assay |
| 17(1) | G27 | None Cited | Organic volat. impurities | See Method I  467 |