Ultrasep ES Pharm RP18e is a silica-based HPLC column with an endcapped pharmaceutical-grade C18 bonded phase. The endcapping process reduces residual silanol activity, resulting in sharper peak shapes and improved reproducibility, especially for basic and polar compounds.
Compared to standard C18 phases, Pharm RP18e delivers enhanced robustness and selectivity while minimizing secondary interactions. Its performance makes it ideal for pharmaceutical quality control, impurity profiling, and stability-indicating assays where reliable reproducibility is critical.
Ultrasep ES Pharm RP18e provides pharmaceutical-grade C18 performance with advanced endcapping – the dependable choice for challenging pharmaceutical HPLC separations.
Silica-based stationary phase with endcapped pharmaceutical-grade C18 chemistry
Reduced silanol activity for improved peak symmetry
Strong hydrophobic retention with minimized secondary interactions
High reproducibility and robust lifetime under routine conditions
Available particle sizes: 3 µm, 5 µm
Pharmaceutical impurity profiling and stability-indicating assays
Analysis of basic and polar drugs with improved peak shapes
Quality control and regulatory testing in pharmaceutical production
Method development requiring robust and reproducible C18 selectivity
| Particle Sizes |
|
|---|---|
| Pore Size | 100 Å |
| Particle Type | |
| Separation Mode | |
| USP Code | |
| Endcapping | Yes |
| pH Range | 2 - 8 |
| Phase | Material Number |
|---|---|
| Ultrasep ES Pharm RP18e, 3 µm | u13.p9e. |
| Ultrasep ES Pharm RP18e, 5 µm | u15.p9e. |