By API Standards
- Sacubitril
- Safinamide
- Salbutamol
- Salbutamol Sulfate
- Salcaprozate
- Salicylic Acid
- Salmeterol
- Samidorphan
- Sapropterin
- Saroglitazar
- Sartan
- Saxagliptin
- Scopolamine
- Selexipag
- Selumetinib
- Semaglutide
- Sertraline
- Sildenafil
- Silodosin
- Simvastatin
- Sitagliptin
- Sitagliptin Phosphate Hydrate
- Sodium alendronate
- Sodium alendronate Trihydrate
- Sofosbuvir
- Solifenacin
- Solifenacin Succinate
- Solriamfetol
- Somatostatin
- Sorafenib
- Sorafenib Tosilate
- Sotalol
- Sparsentan
- Speciality chemicals
- Sphingomyelin
- Spiramycin
- Spironolactone
- Stanozolol
- Stavudine
- Stiripentol
- Styrene
- Succinic semialdehyde
- Sucralose
- Sugammadex
- Sulbactam
- Sulbutiamine
- sulfachloropyrazine
- Sulfachloropyridazine
- Sulfadiazine
- Sulfadimethoxine
- Sulfadimethoxypyrimidine
- Sulfamerazine
- Sulfamethazine
- Sulfamethizole
- Sulfamethoxazole
- Sulfamonomethoxine
- Sulfapyridine
- Sulfasalazine
- Sulfathiazole
- Sulfolene
- Sulfonamides
- Sulindac
- Sulpiride
- Sumatriptan
- Sunitinib
- Suzetrigine