| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| O-DESMETHYLVENLAFAXINE | 3791 | 93413-62-8 | 06/30/2024 | Summary |
| o-DICHLOROBENZENE | 1307 | 95-50-1 | 11/01/2024 | Summary |
| o-ETHOXYBENZAMIDE | 3935 | 938-73-8 | 11/15/2024 | Summary |
| O-ETHYL S-PHENYL ETHYLPHOSPHONODITHIOLATE | 2409 | 944-22-9 | 04/10/2025 | Summary |
| o-NITROANILINE | 2488 | 88-74-4 | 02/11/2025 | Summary |
| o-NITROBENZOIC ACID | 2933 | 552-16-9 | 02/14/2025 | Summary |
| O-PABA | 1974 | 58817-05-3 | 02/05/2025 | Summary |
| o-PHENANTHROLINE | 2202 | 66-71-7 | 04/05/2025 | Summary |
| o-PHENYLPHENOL | 2146 | 90-43-7 | 04/09/2024 | Summary |
| o-PHTHALALDEHYDE | 3624 | 643-79-8 | 01/25/2025 | Summary |
| o-PHTHALIC ACID | 3493 | 88-99-3 | 10/08/2024 | Summary |
| o-POLYPHENOL | 2146 | 90-43-7 | 04/09/2024 | Summary |
| o-TERT-BUTYLPHENOL | 3610 | 88-18-6 | 01/24/2025 | Summary |
| o-TOLIDINE HYDROCHLORIDE | 3285 | 612-82-8 | 03/14/2025 | Summary |
| o-TOLUIDINE | 1647 | 95-53-4 | 04/03/2025 | Summary |