| Nucleus | Spin | Abundance | Receptivity (1H) | 400 Mercury (MHz) | 400 SGM (MHz) | 500 Varian (MHz) | 600 Varian (MHz) | Shift Range (ppm) |
| 35Cl | 3/2 | 75.77% | 0.00358 | —.— | 39.197 | 48.960 | 58.757 | -200 -> 1000 |
| 37Cl | 3/2 | 24.23% | 0.000659 | —.— | 32.629 | 40.756 | 48.921 | -200 -> 1000 |
| Nucleus | Spin | Abundance | Receptivity (1H) | 400 Mercury (MHz) | 400 SGM (MHz) | 500 Varian (MHz) | 600 Varian (MHz) | Shift Range (ppm) |
| 35Cl | 3/2 | 75.77% | 0.00358 | —.— | 39.197 | 48.960 | 58.757 | -200 -> 1000 |
| 37Cl | 3/2 | 24.23% | 0.000659 | —.— | 32.629 | 40.756 | 48.921 | -200 -> 1000 |