| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| ASPHALTITE | 1905 | 12002-43-6 | 08/14/2025 | Summary |
| ASPIRIN | 1006 | 50-78-2 | 10/15/2025 | Summary |
| ASS EAR | 3105 | NONE | 08/21/2025 | Summary |
| ASSISTED REPRODUCTIVE TECHNOLOGIES | 4219 | NONE | 09/03/2025 | Summary |
| ASSUGRIN | 3515 | 139-05-9 | 07/30/2025 | Summary |
| ASTAXANTHIN | 4824 | 472-61-7 | 11/30/2025 | Summary |
| ASTELIN | 4047 | 79307-93-0 | 03/31/2025 | Summary |
| ASTEMIZOLE | 2430 | 68844-77-9 | 04/11/2025 | Summary |
| ASTIN | 4632 | 90729-43-4 | 05/30/2025 | Summary |
| ASTRAGALUS | 3692 | NONE | 03/26/2025 | Summary |
| ASTROCAR | 3343 | 59-26-7 | 07/08/2025 | Summary |
| ASULFIDINE | 1253 | 599-79-1 | 09/17/2025 | Summary |
| ATABRINE | 1431 | 83-89-6 | 10/15/2025 | Summary |
| ATACAND | 4288 | 145040-37-5 | 10/28/2025 | Summary |
| ATARAX | 1101 | 68-88-2 | 08/31/2025 | Summary |