| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| STUGERON | 1683 | 298-57-7 | 09/26/2025 | Summary |
| STYRENE | 1082 | 100-42-5 | 02/21/2026 | Summary |
| STYRENE MALEIC ANHYDRIDE | 2094 | 9011-13-6 | 12/30/2025 | Summary |
| STYRENE OXIDE | 1785 | 96-09-3 | 12/20/2025 | Summary |
| STYRENE-BUTADIENE POLYMER | 2752 | 9003-55-8 | 02/18/2026 | Summary |
| STYROFOAM | 2300 | 9003-53-6 | 03/07/2026 | Summary |
| STYROMAL | 2094 | 9011-13-6 | 12/30/2025 | Summary |
| SU BIE | 2308 | 51940-44-4 | 01/06/2026 | Summary |
| SU DI | 4632 | 90729-43-4 | 05/30/2025 | Summary |
| SUBLIMAZE | 1324 | 990-73-8 | 08/09/2025 | Summary |
| SUBLINGUAL IMMUNOTHERAPY | 1341 | NONE | 02/28/2026 | Summary |
| SUBOXONE | 2726 | NONE | 02/14/2026 | Summary |
| SUBSYS | 1324 | 437-38-7 | 08/09/2025 | Summary |
| SUBUTEX | 2726 | 53187-13-6 | 02/14/2026 | Summary |
| SUCARYL SODIUM | 3515 | 139-05-9 | 07/30/2025 | Summary |