| Protriptyline | 438-60-8 |
| Pyrantel embonate | |
| Pyridoxal-5-Phosphate | |
| Quinidine | 56-54-2 |
| R-(-)-3-Quinuclidinol | 25333-42-0 |
| Raltitrexed | 112887-68-0 |
| Ramelteon | 196597-26-9 |
| Ramosetron | 132036-88-5 |
| Remdesivir | 1809249-37-3 |
| Resmetirom | 1432368-62-9 |
| Revefenacin intermediates | 107201-33-2 |
| Rifapentine | 61379-65-5 |
| Roxadustat | 808118-40-3 |
| S-Acetyl-L-glutathione | 3054-47-5 |
| Secukinumab | 1229022-83-6 |
| Semaglutide Main Chain P29 Arg34-GLP(9-37) | 1169630-82-3 |
| Silver Nitrate | 7761-88-8 |
| Sitagliptin Phosphate | 654671-77-9 |
| Sodium dihydrogenphosphate dihydrate | 13472-35-0 |
| Sodium fusidate Micronised | |
| Sodium gluconate | |
| Sodium lauryl sulfate | 151-21-3 |
| Sodium thiosulfate | |
| Somatropin recombinant | 12629-01-5 |
| Sonidegib | 956697-53-3 |
| Soya-bean oil | |
| Spermidine | 124-20-9 |
| Stiripentol | 49763-96-4 |
| Streptozocin | 18883-66-4 |
| Strontium | |
| Sulconazole | 61318-90-9 |
| Sulfadiazine Sodium | 547-32-0 |
| Sulfinpyrazone | 57-96-5 |
| Sulfur | |
| Talniflumate | 66898-62-2 |
| Tapentadol Hydrochloride | |
| Tegafur | 17902-23-7 |
| Telaprevir | 402957-28-2 |
| Terbinafine Hydrochloride | 78628-80-5 |
| tenofovir alafenamide fumarate | 1392275-56-7 |