| Ant - Ao | Nummer |
| Anthecotulid | 14 / selten 18 |
| Anthemis cotula | 18 |
| Anthophyllit | 19a |
| Anthoxanthum odoratum | # 225 Sonne |
| Anthracen | 14 / 18 |
| Anthracen-9-carbonylcyanid | 7 / 19 |
| Anthracenöl | 19 / 19a |
| 1,8,9-Anthracentriol | 16 / 18 / # 87 Anti |
| Anthrachinon | xxx |
| 9,10-Anthrachinon | 16 / 18 / 19 / 19a |
| Anthrachinon-1-sulfonsäure, Kaliumsalz | 16 / 13 |
| Gemisch aus: [2-(Anthrachinon-1-ylamino)-6-[(5-benzoyl- amino)-anthrachinon-1-ylamino]-4-phenyl]-1,3,5-triazin U N D 2,6-Bis-[(5-benzoyl-amino)-anthrachinon-1-ylamino] 4-phenyl-1,3,5-triazin |
16 / 19a |
| Anthraflavinsäure | 16 / 13 |
| Anthralin | 16 / 18 / # 87 Anti |
| Anthranilonitril | 16 / eventuell 7 |
| Anthranilsäure-methylester | 16 / 19 |
| Anthron | 16 |
| Anthurium-Scherzerianum-Hybriden | |
| Antibiotika | 18 |
| Anticholinergika | xxx |
| Antifouling-Farben | 14 / 19 |
| Antimon | 12 / 19a / # (19c) |
| Antimon-(III)-chlorid | 2 / 12 / 18 / 19 / 19a / # (19c) |
| Antimon-(V)-chlorid | |
| Antimon-(III)-fluorid | 5 / 12 / 19 / 19a / # (19c) |
| Antimon-(V)-fluorid | |
| Antimon-hydrid | 14 / 12 |
| Antimon-kalium-tartrat | 12 |
| Antimon-penta-chlorid | 2 / 12 / 18 / 19 / 19a / # (19c) |
| Antimon-penta-fluorid | 5 / 12 / 19 / 19a / # (19c) |
| Antimon-penta-oxid | 12 / 19a / # (19c) |
| Antimon-penta-sulfid | 12 / 18 / 19 / 19a / # (19c) |
| Antimon-(III)-sulfat | 12 / 18 / 19a / # (19c) |
| Antimon-(III)-sulfid | 12 / 19a / # (19c) |
| Antimon-(V)-sulfid | 12 / 18 / 19 / 19a / # (19c) |
| Antimon-tri-bromid | xxx |
| Antimon-tri-chlorid | 2 / 12 / 18 / 19 / 19a / # (19c) |
| Antimon-tri-fluorid | 5 / 12 / 19 / 19a / # (19c) |
| Antimon-tri-iodid | xxx |
| Antimon-tri-oxid | 12 / 18 / 19 / 19a / # (19c) |
| Antimon-tri-sulfid | 12 / 19a / # (19c) |
| Antimon-Verbindungen | 12 / 18 / 19 / 19a / # (19c) |
| Antimon-wasserstoff | 14 / 12 |
| Antimycin A | 14 |
| Antu | 14 / 19 / # (19a) |