| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| BUTYLAMINES | 2545 | NONE | 11/22/2025 | Summary |
| BUTYLATED HYDROXYANISOLE | 3566 | 25013-16-5 | 10/29/2025 | Summary |
| BUTYLATED HYDROXYTOLUENE | 2079 | 128-37-0 | 10/16/2026 | Summary |
| BUTYLBENZOIC ACID, p-tert- | 2568 | 98-73-7 | 03/10/2026 | Summary |
| BUTYLBENZYL PHTHALATE | 2739 | 85-68-7 | 02/18/2026 | Summary |
| BUTYLCAINE | 3443 | 94-25-7 | 05/01/2026 | Summary |
| BUTYLENE GLYCOLS | 3085 | NONE | 05/27/2026 | Summary |
| BUTYLENE OXIDE | 2359 | 26249-20-7 | 03/07/2026 | Summary |
| BUTYLGLYCOL ACETATE | 1699 | 112-07-2 | 11/11/2025 | Summary |
| BUTYLHYDROQUINONE, tert- | 3570 | 1948-33-0 | 04/08/2026 | Summary |
| BUTYLLITHIUM | 3122 | 109-72-8 | 09/03/2026 | Summary |
| BUTYLNAPHTHALENESULPHONATE | 2603 | 25638-17-9 | 05/21/2026 | Summary |
| BUTYLPARABEN | 1412 | 94-26-8 | 02/28/2026 | Summary |
| BUTYLPHEN | 3629 | 98-54-4 | 08/12/2026 | Summary |
| BUTYRALDEHYDE | 2033 | 123-72-8 | 09/22/2026 | Summary |