| Not official USP-NF text | ||||
| METHYLPHENIDATE HYDROCHLORIDE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 30(2) | L1 | ZORBAX Eclipse XDB-C18 | Assay and Related Compounds | 15 cm x 4.6 mm, 3.5 µm, manufacturer Agilent Technologies |
| 16(3) | G27 | None Cited | Organic volat. impurities | See Method I  467 |