| Not official USP-NF text | ||||
| ETHOTOIN | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 14(4) | L1 | MicroBondapak C18 | Assay | NULL |
| 14(4) | L1 | MicroBondapak C18 | Identity | See Assay |
| 14(4) | L1 | MicroBondapak C18 | Limit of . . . . . . . . . | Limit of 5-phenylhydantion and related compounds. Manuf. Waters. |
| 17(3) | G43 | None Cited | Organic volat. impurities | See Method V  467 |
| 29(1) | L1 | YMC 18 ODS-A | Related compounds | 4.6 mm x 15 cm, 5 µm, manufacturer YMC Co., Ltd. |