| Not official USP-NF text | ||||
| NIFEDIPINE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 11(3) | L1 | C-18-IP Ultrasphere | Assay and Related Compounds | 5-im, manufacturer Beckman Instruments. Alternative column Luna C18(2), manufacturer Phenomenex. |
| 12(5) | L1 | None Cited | Identity | See Assay |
| 16(3) | G27 | None Cited | Organic volat. impurities | See Method I  467 |
| 18(1) | G43 | None Cited | Organic volat. impurities | See Method V 467 |