| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| HEAT | 1099 | NONE | 03/01/2025 | Summary |
| HEAVY STRAIGHT RUN NAPHTHA | 1474 | 64741-41-9 | 04/03/2025 | Summary |
| HEDEOMA PULEGOIDES | 2020 | NONE | 02/28/2025 | Summary |
| HEDIONDILLA | 3380 | NONE | 09/01/2024 | Summary |
| HEDTA | 2924 | 150-39-0 | 09/05/2024 | Summary |
| HEDYOTIS | 3521 | NONE | 10/09/2024 | Summary |
| HEFTI LA-55-4 | 2825 | 5274-68-0 | 08/31/2024 | Summary |
| HEITRIN | 2261 | 63590-64-7 | 03/12/2025 | Summary |
| HEK293 | 4862 | NONE | 03/28/2025 | Summary |
| HELIANTHEMUM | 4336 | NONE | 10/24/2024 | Summary |
| HELICOBACTER | 2580 | NONE | 10/31/2024 | Summary |
| HELIOTROPIN | 2460 | 120-57-0 | 04/12/2025 | Summary |
| HELIUM | 1530 | 7440-59-7 | 03/05/2024 | Summary |
| HELIXOR | 3691 | 75882-01-8 | 10/11/2024 | Summary |
| HELOCAINE | 3005 | 94-24-6 | 02/14/2025 | Summary |