| 2-AIBA | 2-aminoisobutyric acid |
| 2-CIMA | 2-chloromalonaldehyde |
| ACN | Acetonitrile |
| AEX | Anion-exchange chromatography |
| API | Active pharmaceutical ingredients |
| AQbD | Analytical quality by design |
| CAD | Charged aerosol detector |
| DAD | Diode array detector |
| DoE | Design of experiments |
| ESI | Electrospray |
| ELSD | Evaporative light-scattering detector |
| EP | European Pharmacopoeia |
| FA | Formic acid |
| FLD | Fluorescence detector |
| GPC | Gel permeation chromatography |
| HILIC | Hydrophilic interaction chromatography |
| HPLC | High-performance liquid chromatography |
| ICH | International Council for Harmonization |
| IPRP | Ion-pair reversed phase |
| LOD | Limit of detection |
| LOQ | Limit of quantitation |
| MS | Mass spectrometry |
| NA | Not applicable |
| NH4Ac | Ammonium acetate |
| NHS | N-hydroxysuccinimide |
| QTOF | Quadrupole time-of-flight |
| RP | Reversed phase |
| RP-HPLC | Reversed-phase high-performance liquid chromatography |
| SIM | Selected ion monitoring |
| SPE | Solid phase extraction |
| sulfo-NHS | N-hydroxysulfosuccinimide |
| TFA | Trifluoroacetic acid |
| TLC | Thin-layer chromatography |
| USP | United States Pharmacopeia |