| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| 3',3",5',5"-TETRABROMOPHENOLSULFONPHTHALEIN | 2404 | 115-39-9 | 08/13/2024 | Summary |
| 3TC | 3958 | 134680-32-3 | 11/11/2024 | Summary |
| 4-(DIMETHYLAMINO)BENZALDEHYDE | 3851 | 100-10-7 | 10/17/2024 | Summary |
| 4-ACETYLAMINOFLUORENE | 2604 | 28322-02-3 | 08/14/2024 | Summary |
| 4-AMINOANTIPYRINE | 3480 | 83-07-8 | 10/08/2024 | Summary |
| 4-AMINOBIPHENYL | 3088 | 92-67-1 | 11/13/2024 | Summary |
| 4-AMINOCLONIDINE | 2845 | 66711-21-5 | 10/31/2024 | Summary |
| 4-AMINODIPHENYLAMINE | 3317 | 101-54-2 | 01/17/2025 | Summary |
| 4-AMINODIPHENYLAMINE | 3317 | 101-54-2 | 01/17/2025 | Summary |
| 4-AMINOPHENAZONE | 3480 | 83-07-8 | 10/08/2024 | Summary |
| 4-AMINOPYRIDINE | 4531 | 504-24-5 | 12/31/2024 | Summary |
| 4-BIPHENYLAMINE | 3088 | 92-67-1 | 11/13/2024 | Summary |
| 4-BROMOBIPHENYL | 4193 | 92-66-0 | 10/27/2024 | Summary |
| 4-BROMOPYRIDINE | 3305 | 1120-87-2 | 08/20/2024 | Summary |
| 4-BUTYROLACTONE | 2228 | 96-48-0 | 03/12/2025 | Summary |