| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| BUTOXYMETHYLOXIRANE | 1932 | 2426-08-6 | 09/19/2026 | Summary |
| BUTOXYPOLYPROPYLENE GLYCOL | 3694 | 9003-13-8 | 08/13/2026 | Summary |
| BUTRIPTYLINE | 3971 | 15686-37-0 | 10/26/2025 | Summary |
| BUTTER YELLOW | 3192 | 60-11-7 | 04/04/2026 | Summary |
| BUTTERBUR | 4427 | NONE | 07/11/2026 | Summary |
| BUTYL 3-METHYL-4-QUINOLINECARBOXYLATE | 3601 | 19764-43-3 | 08/11/2026 | Summary |
| BUTYL 3-METHYLBUTANOATE | 3212 | 109-19-3 | 04/07/2026 | Summary |
| BUTYL 9-OCTADECANOATE | 2529 | 142-77-8 | 05/19/2026 | Summary |
| BUTYL ACETATE | 1422 | 123-86-4 | 04/18/2026 | Summary |
| BUTYL ACETATE, n- | 1422 | 123-86-4 | 04/18/2026 | Summary |
| BUTYL ALCOHOL | 1671 | NONE | 07/02/2026 | Summary |
| BUTYL BENZENE ACETATE | 2759 | 122-43-0 | 02/19/2026 | Summary |
| BUTYL BROMIDE, sec- | 2620 | 78-76-2 | 02/12/2026 | Summary |
| BUTYL CARBITOL | 1612 | 112-34-5 | 08/21/2026 | Summary |
| BUTYL CELLOSOLVE | 1699 | 111-76-2 | 11/11/2025 | Summary |