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USP Saccharin RS
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USP Saccharin Calcium RS
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USP Saccharin Sodium RS
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USP Salicylamide RS
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USP Salicylic Acid RS
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USP Salicylic Acid Related Compound A RS
Click to View Structure [4-hydroxybenzoic acid] (C7H6O3 138.12 CAS-99-96-7). USP31
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USP Salicylic Acid Related Compound B RS
Click to View Structure [4-hydroxyisophthalic acid ] (C8H6O4 182.13). USP31

USP Salicylic Acid Tablets RS (Dissolution Calibrator, Non-disintegrating)
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USP Salsalate RS
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USP Saquinavir Mesylate RS.
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USP Saquinavir Related Compound A RS
Click to View Structure [N-tert-butyl-decahydro-2-[2(R)-hydroxy-4-phenyl-3(S)-[[N-(2-quinolylcarbonyl)-d-asparaginyl]amino]butyl]-(4aS,8aS)-isoquinoline-3(S)-carboxamide] (C38H50N6O5 670.84) .

USP Scopolamine Hydrobromide RS
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USP Scopoletin RS
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USP Secobarbital RS
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USP Selegiline Hydrochloride RS
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USP Selenomethionine RS.
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USP Sennosides RS
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USP l-Serine RS
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USP Sesame Oil Related Compound A RS.

USP Sesame Oil Related Compound B RS.

USP Sevoflurane RS
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USP Sevoflurane Related Compound A RS
Click to View Structure [1,1,1,3,3-pentafluoroisopropenyl fluoromethyl ether] (C4H2F6O 179.97) .

USP Sevoflurane Related Compound B RS
Click to View Structure [1,1,1,3,3,3-hexafluoro-2-methoxy-propane] .

USP Sevoflurane Related Compound C RS
Click to View Structure [1,1,1,3,3,3-hexafluoro-2-propanol] .

USP Sevomethyl Ether RS
[1,1,1,3,3,3-hexafluoro-2-methoxy-propane] .

USP Silver Sulfadiazine RS
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USP Silybin RS
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USP Silydianin RS
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USP Simethicone RS
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USP Simvastatin RS
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USP Sincalide RS.
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USP Sisomicin Sulfate RS
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USP -Sitosterol RS
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USP Human Fibroblast-Derived Temporary Skin Substitute Reference Photomicrographs VRS.

USP Sodium Ascorbate RS
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USP Sodium Benzoate RS.
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USP Sodium Butyrate RS
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USP Sodium Fluoride RS
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USP Sodium Lactate RS
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USP Sodium Nitroprusside RS
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USP Sodium Propionate RS
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USP Sodium Salicylate RS.
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USP Sodium Starch Glycolate Type A RS
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USP Sodium Starch Glycolate Type B RS
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USP Sodium Stearyl Fumarate RS
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USP Somatropin RS
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USP 1,4-Sorbitan RS
Click to View Structure (C6H12O5 164.16) .

USP Sorbitol RS
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USP Sotalol Hydrochloride RS
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USP Sotalol Related Compound A RS
Click to View Structure [N[(4-[[(1-methylethyl)amino]acetyl]phenyl]methanesulfonamide monohydrochloride] (C12H18N2O3S·HCl 306.81) .

USP Sotalol Related Compound B RS
Click to View Structure [N-(4-formylphenyl)methanesulfonamide] (C8H9NO3S 199.23) .

USP Sotalol Related Compound C RS
Click to View Structure [N-[4-[2-[(1-methylethyl)amino]ethyl]phenyl]methanesulfonamide monohydrochloride] (C12H20N2O2S·HCl 292.83) .

USP Spectinomycin Hydrochloride RS
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USP Spironolactone RS
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USP Squalane RS
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USP Stanozolol RS
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USP Stavudine RS
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USP Stavudine System Suitability Mixture RS
Click to View Structure —It is a mixture of stavudine and the following related compounds: thymidine, thymine, alpha-stavudine, and xylo-thymidine.

USP Stearic Acid RS
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USP Stearyl Alcohol RS
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USP Stearoyl Polyoxylglycerides RS
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USP Powdered St. John's Wort Extract RS.

USP Streptomycin Sulfate RS
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USP Succinylcholine Chloride RS
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USP Succinylmonocholine Chloride RS
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USP Sucralose RS
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USP Sucrose RS
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USP Sufentanil Citrate RS
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USP Sulbactam RS
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USP Sulconazole Nitrate RS
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USP Sulfabenzamide RS
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USP Sulfacetamide RS
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USP Sulfacetamide Sodium RS
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USP Sulfachlorpyridazine RS
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USP Sulfadiazine RS
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USP Sulfadimethoxine RS
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USP Sulfadoxine RS
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USP Sulfamerazine RS
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USP Sulfamethazine RS
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USP Sulfamethizole RS
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USP Sulfamethoxazole RS
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USP Sulfamethoxazole N4-Glucoside RS
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USP Sulfanilamide RS
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USP Sulfanilamide Melting Point RS
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USP Sulfanilic Acid RS
Click to View Structure (C6H7NO3S 173.19) .

USP Sulfapyridine RS
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USP Sulfapyridine Melting Point RS
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USP Sulfaquinoxaline RS.
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USP Sulfaquinoxaline Related Compound A RS
Click to View Structure [N1-N2-diquinoxalin-2-ylsulfanilamide] (C22H16N6SO2 428.50) .

USP Sulfasalazine RS
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USP Sulfathiazole RS
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USP Sulfinpyrazone RS
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USP Sulfisoxazole RS
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USP Sulfisoxazole Acetyl RS
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USP Sulindac RS
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USP Sulisobenzone RS.
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USP Sumatriptan RS
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USP Sumatriptan Succinate RS
[1H-indole-5-methanesulfonamide, 3-[2-(dimethylamino)ethyl]-N-methyl-, butanedioate (1:1)] (C14H21N3O2S·C4H6O4 413.49) .

USP Sumatriptan Succinate Related Compound A RS
Click to View Structure [[3-[2-(dimethylamino)ethyl]-2-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl]-1H-indol-5-yl]-N-methylmethanesulfonamide succinate salt] (C27H37N5O2S·C4H6O4 613.77) .

USP Sumatriptan Succinate Related Compound C RS
Click to View Structure [[3-[2-(dimethylamino)ethyl]-1-(hydroxymethyl)-1H-indol-5-yl]-N-methylmethanesulfonamide succinate salt] (C15H23N3O3S· 0.5 C4H6O4 384.47) .

USP Sumatriptan Succinate Related Impurities RS
Click to View Structure [Mixture of sumatriptan succinate, [3-[2-(methylamino)ethyl]-1H-indol-5-yl]-N-methylmethanesulfonamide maleate salt, sumatriptan succinate related compound C, [3-[2-(dimethylamino-N-oxide)ethyl]-1H-indol-5-yl]-N-methylmethanesulfonamide, and [3-[2-(aminoethyl)]-1H-indol-5-yl]-N-methylmethanesulfonamide] .

USP Suprofen RS
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