 | DP01239 | NA | Nitrosamines | ?95% |
| N-Nitroso Blonanserin Impurity 1 |
 | DP01240 | NA | Nitrosamines | ?95% |
| N-Nitroso Chlorphenamine EP Impurity C |
 | DP01241 | NA | Nitrosamines | ?95% |
| N-Nitroso Norpheniramine |
 | DP01242 | NA | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 1 |
 | DP01243 | NA | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 2 |
 | DP01244 | NA | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 3 |
 | DP01245 | NA | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 4 |
 | DP01246 | NA | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 5 |
 | DP01247 | 343853-74-7 | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 6 |
 | DP01248 | NA | Nitrosamines | ?95% |
| N-Nitroso Celecoxib Impurity 7 |
