| Product Name | CAS Registry Number |
| Nisin | 1414-45-5 |
| Nisoldipine | 63675-72-9 |
| Nitazoxanide | 55981-09-4 |
| Nitenpyram | 150824-47-8 |
| Nitenpyram | 120738-89-8 |
| Nitidine chloride | 13063-04-2 |
| Nitrapyrin | 1929-82-4 |
| Nitrazepam | 146-22-5 |
| Nitrendipine | 39562-70-4 |
| Nitric acid | 7697-37-2 |