| CAS Number | 477600-75-2 |
|---|---|
| Molecular Formula | C16H20N6O |
| Molecular Weight | 312.37 |
| InChI Key | UJLAWZDWDVHWOW-YPMHNXCESA-N |
| Synonyms |
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Applications:
HPLC Method for Determination of Tofacitinib on Newcrom R1 Column
September 12, 2022
HPLC Method for Tofacitinib on Newcrom R1 by SIELC Technologies
High Performance Liquid Chromatography (HPLC) Method for Analysis of Tofacitinib
Tofacitinb, known under its brand name Xeljanz, is a medication with the medical formula C16H20N6O. It is commonly used to treat rheumatoid arthritis, psoriatic arthritis, and ulcerative colitis. Tofacitinib can be retained and analyzed on a Newcrom R1 reverse-phase column using a simple isocratic analytical method with a mobile phase consisting of Acetonitrile (MeCN), water, and Sulfuric acid as the ionic modifier. This analysis method can be UV detected at 290 nm with high resolution and peak symmetry.
Tofacitinib can be retained and analyzed using the Newcrom R1 stationary phase column. The analysis utilizes an isocratic method with a simple mobile phase consisting of water and acetonitrile (MeCN) with a sulfuric acid buffer. Detection is performed using UV.
| Column | Newcrom R1, 2.1 x 100 mm, 3 µm, 100 A, dual ended |
| Mobile Phase | MeCN – 15% |
| Buffer | H2SO4 – 0.2% |
| Flow Rate | 0.2 ml/min |
| Detection | UV 290 nm |
| LOD | 0.02 ppm |
| Class of Compounds | Drug |
| Analyzing Compounds | Tofacitinib |
Application Column
Newcrom R1
Column Diameter: 2.1 mm
Column Length: 100 mm
Particle Size: 3 µm
Pore Size: 100 A
Column options: dual ended


