| Name | CAS No. |
|---|---|
| Ampicillin trihydrate | 7177-48-2 |
| Ammonia | 7664-41-7 |
| Arsenic | 7440-38-2 |
| Aniline | 62-53-3 |
| alpha-pinene | 2437-95-8 |
| acetylene | 74-86-2 |
| Anthraquinone | 84-65-1 |
| Acrylonitrile | 107-13-1 |
| Aspartame | 22839-47-0 |
| Argon | 7440-37-1 |
| Acrylic acid Polymers | 9003-01-4 |
| ammonium molybdate | 13106-76-8 |
| Acephate | 30560-19-1 |
| Acrylamide | 79-06-1 |
| Aluminum hydroxide | 21645-51-2 |