| Agent Name | Agent Number | CAS Number | Last Updated | |
|---|---|---|---|---|
| AQUASPIRILLUM GRACILE | 4513 | NONE | 12/09/2025 | Summary |
| AQUATENSEN | 2384 | 135-07-9 | 08/22/2025 | Summary |
| AQUIPTA | 4848 | 1374248-81-3 | 12/06/2025 | Summary |
| AR | 2110 | 7440-37-1 | 12/30/2025 | Summary |
| ARA-A | 1910 | 5536-17-4 | 12/23/2025 | Summary |
| ARA-C | 1065 | 147-94-4 | 01/22/2026 | Summary |
| ARA-GTP | 4741 | 72490-81-4 | 08/31/2025 | Summary |
| ARABINOFURANOSYLGUANINE NUCLEOTIDE TRIPHOSPHATE | 4741 | 72490-81-4 | 08/31/2025 | Summary |
| ARABINOSYLCYTOSINE | 1065 | 147-94-4 | 01/22/2026 | Summary |
| ARABOASCORBIC ACID, D- | 3638 | 89-65-6 | 10/31/2025 | Summary |
| ARACENAC | 4677 | 89796-99-6 | 08/31/2025 | Summary |
| ARACHIDONIC ACID | 4271 | 506-32-1 | 09/03/2025 | Summary |
| ARACHIS HYPOGAEA | 3989 | NONE | 12/21/2025 | Summary |
| ARACYTIN | 1065 | 147-94-4 | 01/22/2026 | Summary |
| ARAKODA | 4913 | 106635-80-7 | 12/21/2025 | Summary |