Materias primas
| Nombre | Número del CAS |
|---|---|
| AUROVERTIN B | |
| Ardeparina | 9005-49-6 |
| arecolina | 63-75-2 |
| argadín | 289665-92-5 |
| argifín | |
| arginineamida | |
| Argininosuccinato | |
| Arimoclomol | 289893-25-0 |
| Ácido arsanílico | 98-50-0 |
| arstinol | 119-96-0 |
| Asfotasa Alfa | 1174277-80-5 |
| asimadolina | 153205-46-0 |
| Asparaginasa Erwinia chrysanthemi | 1349719-22-7 |
| Astemizol | 68844-77-9 |
| Atpenin A5 | 119509-24-9 |
| Attapulgita | 12174-11-7 |
| Aurotioglucosa | 12192-57-3 |
| Avobenzone | 70356-09-1 |
| Azapropazona | 13539-59-8 |
| azatadina | 3964-81-6 |
| Azidocilina | 17243-38-8 |
| Azimilida | 149908-53-2 |
| Azlocilina | 37091-66-0 |
| Bacilo Coagulans | 68038-74-2 |
| Bafilomicina A1 | 88899-55-2 |
| balanol | |
| balhimicina | 140932-79-2 |
| Banoxantrona | 136470-65-0 |
| Derivado del ácido barbitúrico | |
| Basiliximab | 179045-86-4 |
| Batimastat | 130370-60-4 |
| bavituximab | 648904-28-3 |
| Becaplermina | 165101-51-9 |
| Becocalcidiol | 524067-21-8 |
| bectumomab | 158318-63-9 |
| befunolol | 39552-01-7 |
| Belimumab | 356547-88-1 |
| Bemiparina | 91449-79-5 |
| Benactizina | 302-40-9 |
| benfluorex | 23602-78-0 |