| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| YAZ | 1162 | NONE | 05/03/2025 | Summary |
| YEAST | 2683 | NONE | 11/25/2025 | Summary |
| YELLOW 11 | 3339 | 1342-73-0 | 06/12/2025 | Summary |
| YELLOW DOCK | 2306 | NONE | 01/01/2026 | Summary |
| YELLOW FEVER VACCINE | 1458 | NONE | 01/27/2026 | Summary |
| YELLOW JASMINE | 2893 | 96681-54-8 | 03/17/2026 | Summary |
| YELLOW JESSAMINE | 2893 | 96681-54-8 | 03/17/2026 | Summary |
| YERBA MATE | 1789 | NONE | 10/08/2025 | Summary |
| YERSINIA | 3725 | NONE | 11/04/2025 | Summary |
| YERSINIA ENTERCOLITICA | 3725 | NONE | 11/04/2025 | Summary |
| YERSINIA PESTIS | 3725 | NONE | 11/04/2025 | Summary |
| YERSINIA PSEUDOTUBERCULOSIS | 3725 | NONE | 11/04/2025 | Summary |
| YERVOY | 4599 | 477202-00-9 | 11/18/2025 | Summary |
| YESDOL | 3337 | 3254-89-5 | 11/27/2025 | Summary |
| YODOXIN | 1097 | 83-73-8 | 10/04/2025 | Summary |