| Aloe Vera Extract | 8001-97-6 |
| Aloe Vera Gel | 8001-97-6 |
| Alpha Cyclohexyl Mandelic Acid Methyl Ester | 10399-13-0 |
| Aluminum magnesium hydroxide | 39366-43-3 |
| Alverine | 150-59-4 |
| Amenamevir | 841301-32-4 |
| Amfetamine | |
| Amikacine sulfate | 39831-55-5 |
| Aminodihexylquat | 89-25-8 |
| Aminoglutethimide | 125-84-8 |
| Aminomethylbenzodiazepine | 59469-29-3 |
| Aminoquat | 6381-92-6 |
| Amobarbital | 57-43-2 |
| Amphisol A | 3539-43-3 |
| Amphisol K | 19035-79-1 |
| Ampicillin sodium and Sulbactam sodium (2:1) | 69388-84-7 |
| Amprolium | 137-88-2 |
| Amsacrine | 51264-14-3 |
| Ananassa sativa l | |
| Angelica archangelica | |
| Angelica fruit | |
| Aniacetam | |
| Anise | |
| Anlotinib intermediates | 286371-49-1 |
| Ansamitocin P-3 | 66584-72-3 |
| Apalutamide Intermediates | |
| Apocarotenal | 1107-26-2 |
| Aprindine | 37640-71-4 |
| Arachidonic Acid | 506-32-1 |
| Arbutin | 497-76-7 |
| Argireline | 616204-22-9 |
| Argon for BTM | |
| Aripiprazole monohydrate | |
| Arotinolol | 68377-92-4 |
| Artemisinin | 63968-64-9 |
| Artenimol | 71939-50-9 |
| Articaine Hydrochloride | 23964-57-0 |
| Articaine hydrochloride Intermediates | |
| Artichoke | |
| all-trans Retinal | 116-31-4 |