USP Saccharin RS
Click to View Structure .

USP Saccharin Calcium RS
.

USP Saccharin Sodium RS
.

USP Salicylamide RS
Click to View Structure .

USP Salicylic Acid RS
Click to View Structure .

USP Salicylic Acid Related Compound A RS
Click to View Structure [4-hydroxybenzoic acid] (C7H6O3 138.12 CAS-99-96-7).

USP Salicylic Acid Related Compound B RS
Click to View Structure [4-hydroxyisophthalic acid] (C8H6O4 182.13).

USP Salicylic Acid Tablets RS (Dissolution Calibrator, Non-disintegrating)
.

USP Salsalate RS
Click to View Structure .

USP Saquinavir Mesylate RS.
Click to View Structure

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
.

USP Scopoletin RS
.

USP Secobarbital RS
Click to View Structure .

USP Selegiline Hydrochloride RS
.

USP Selenomethionine RS.
Click to View Structure

USP Sennosides RS
.

USP l-Serine RS
.

USP Sesame Oil Related Compound A RS.

USP Sesame Oil Related Compound B RS.

USP Sevoflurane RS
Click to View Structure .

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
Click to View Structure .

USP Silybin RS
.

USP Silydianin RS
.

USP Simethicone RS
Click to View Structure .

USP Simvastatin RS
Click to View Structure .

USP Sincalide RS.
Click to View Structure

USP Sisomicin Sulfate RS
.

USP -Sitosterol RS
.

USP Human Fibroblast-Derived Temporary Skin Substitute Reference Photomicrographs VRS.

USP Sodium Ascorbate RS
.

USP Sodium Benzoate RS.
Click to View Structure

USP Sodium Bromide RS.

USP Sodium Butyrate RS
Click to View Structure .

USP Sodium Fluoride RS
.

USP Sodium Lactate RS
Click to View Structure .

USP Sodium Nitroprusside RS
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USP Sodium Propionate RS
.

USP Sodium Salicylate RS.
Click to View Structure

USP Sodium Starch Glycolate Type A RS
.

USP Sodium Starch Glycolate Type B RS
.

USP Sodium Stearyl Fumarate RS
Click to View Structure .

USP Somatropin RS
Click to View Structure .

USP 1,4-Sorbitan RS
Click to View Structure (C6H12O5 164.16) .

USP Sorbitol RS
Click to View Structure .

USP Sotalol Hydrochloride RS
.

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) .
Add the following:

USP Defatted Powdered Soy RS
USP32

USP Spectinomycin Hydrochloride RS
.

USP Spironolactone RS
Click to View Structure .

USP Squalane RS
Click to View Structure .

USP Stanozolol RS
Click to View Structure .

USP Stavudine RS
Click to View Structure .

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
.

USP Stearyl Alcohol RS
Click to View Structure .

USP Stearoyl Polyoxylglycerides RS
.

USP Powdered St. John's Wort Extract RS.

USP Streptomycin Sulfate RS
.

USP Succinylcholine Chloride RS
.

USP Succinylmonocholine Chloride RS
Click to View Structure .

USP Sucralose RS
Click to View Structure .

USP Sucrose RS
Click to View Structure .

USP Sufentanil Citrate RS
.

USP Sulbactam RS
.

USP Sulconazole Nitrate RS
.

USP Sulfabenzamide RS
Click to View Structure .

USP Sulfacetamide RS
Click to View Structure .

USP Sulfacetamide Sodium RS
.

USP Sulfachlorpyridazine RS
Click to View Structure .

USP Sulfadiazine RS
Click to View Structure .

USP Sulfadimethoxine RS
Click to View Structure .

USP Sulfadoxine RS
Click to View Structure .

USP Sulfamerazine RS
Click to View Structure .

USP Sulfamethazine RS
Click to View Structure .

USP Sulfamethizole RS
Click to View Structure .

USP Sulfamethoxazole RS
Click to View Structure .

USP Sulfamethoxazole N4-Glucoside RS
Click to View Structure .

USP Sulfanilamide RS
Click to View Structure .

USP Sulfanilamide Melting Point RS
Click to View Structure .

USP Sulfanilic Acid RS
Click to View Structure (C6H7NO3S 173.19) .

USP Sulfapyridine RS
Click to View Structure .

USP Sulfapyridine Melting Point RS
Click to View Structure .

USP Sulfaquinoxaline RS.
Click to View Structure

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

USP Sulfasalazine RS
Click to View Structure .

USP Sulfathiazole RS
Click to View Structure .

USP Sulfinpyrazone RS
Click to View Structure .

USP Sulfisoxazole RS
Click to View Structure .

USP Sulfisoxazole Acetyl RS
Click to View Structure .

USP Sulindac RS
Click to View Structure .

USP Sulisobenzone RS.
Click to View Structure

USP Sumatriptan RS
Click to View Structure .

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
Click to View Structure .