• Siliconerubber
• 94363-18-5
• C₂H₆OSi
• 74.15394
• .

• Sulfuric acid,mono-C10-16-alkyl esters, sodium salts
• 68585-47-7
• C12H25NaO4S
• 271-557-7
• 288.37927
• .

• Sarafotoxin S 6c(reduced) (9CI)
• 116495-45-5
• C103H151 N27 O37 S5
• 2529.82
• .

• Sedalipid (9CI)
• 104625-95-8
• C₁₃H₁₉MgN₂O₁₀P
• 418.575
• .

• Spiro[acridine-9(2H),1'-[2,5]cyclohexadiene]-2,4'-dione,7-hydroxy-2',3',5',6'-tetramethyl-, ion(1-)
• 60120-71-0
• C22H18 N O3
• 262-066-9
• 345.39116
• .

• Spiro[pyrrolidine-3,6'(5'H)-pyrrolo[1,2,3-de][1,4]benzoxazine]-2,5,5'-trione,8'-chloro-2',3'-dihydro-
• 99434-90-9
• C13H9 Cl N2 O4
• 0
• .

• Selenium, isotope ofmass 73
• 15422-57-8
• Se
• 72.926767
• .

• Solanidan-3-ol, (3b,5a)-
• 474-08-8
• C27H45 N O
• 207-478-1
• 399.65
• .

• Synthetase,formyl-methenyl-methylenetetrahydrofolate
• 73699-18-0
• 0
• .

• S 4001
• 53238-80-5
• 258-443-2
• .

• Spirost-25(27)-ene-1,3,5,6-tetrol,(1b,3b,5b,6b)- (9CI)
• 110996-57-1
• C27H42 O6
• .

• Sulfuric acid, monooctadecyl ester, compd. with 2,2-iminobis(ethanol) (1:1)
• 64346-13-0
• C₂₂H₄₉NO₆S
• 264-791-6
• 455.69256
• .

• Samarium, isotope ofmass 145
• 15065-02-8
• Sm
• 144.9134
• .

• Spiro[1-azabicyclo[2.2.2]octane-3,5'(4'H)-oxazole],2'-(1-methyl-1H-indol-3-yl)-, (-)-
• 128200-30-6
• C18H21 N3 O
• .

• Stigmast-5-en-3-one
• 51529-11-4
• C29H48 O
• 412.69
• .

• Spiro[dicyclopenta[a,d]cyclooctene-3(2H),2'(3'H)-furan]-6-carboxylicacid,1,3a,4,4',5',6a,7,8,9,9a,10,10a-dodecahydro-9-hydroxy-3',9,10a-trimethyl-5'-(2-methyl-1-propenyl)-7-oxo-,(2'S,3'S,3aR,5'R,6aS,9R,9aS,10aR)- (9CI)
• 27975-44-6
• C25H36 O5
• 0
• .

• Sulfamic acid, cadmiumsalt (2:1)
• 14017-36-8
• Cd. 2 H3 N O3 S
• 237-832-0
• 304.58256
• .

• Somatotropin
• 9002-72-6
• C₉₉₀H₁₅₂₉N₂₆₃O₂₉₉S₇
• 232-666-5
• 0
• .

• SALICYLIC ACID, compounded with MORPHOLINE (1:1)
• 147-90-0
• C₁₁H₁₅NO₄
• 205-703-8
• 225.27
• .

• Stannane
• 2406-52-2
• H4Sn
• 231-141-8
• 0
• .

• Sodium silicate
• 1344-09-8
• Na₂SiO₃
• 215-687-4
• 122.06324
• .

• Spirostan-2,3-diol, (2b,3a,5b,25R)- (9CI)
• 2460-96-0
• C27H44 O4
• 0
• .

• STU I
• 84788-83-0
• 0
• .

• Synthase, uridylate
• 74870-74-9
• 0
• .

• Sizofiran
• 9050-67-3
• C₂₄H₄₂O₂₁
• 0
• .

• SORBITAN, SESQUIOLEATE
• 8007-43-0
• C₆₆H₁₃₀O₁₈
• 232-360-1
• 1175.7
• .

• Spiro[4a,8a-epoxynaphthalene-1(4H),2'-naphtho[1,8-de][1,3]dioxin]-4-one,5,8-dihydro-3,5,8-trihydroxy-, (4aR,5S,8R,8aS)- (9CI)
• 151702-61-3
• C20H14 O7
• .

• Saquinavir mesylate
• 149845-06-7
• C₃₈H₅₀N₆O₅^.CH₄O₃S
• 766.94646
• .

• Silanol,1,1,1-trimethyl-, potassium salt (1:1)
• 10519-96-7
• C3H10 O Si . K
• 234-062-7
• 128.29
• .

• Sodium glycerophosphate
• 55073-41-1
• C3H7Na2O6P.H2O
• 234.05
• .

• Selenium, mol. (Se7)
• 12597-32-9
• Se7
• 552.72
• .

• Starch, 2-hydroxy-1,3-propanediyl ether
• 64615-77-6
• C₁₇H₃₁NO₇
• 0
• .

• Sulfilimine,S-(p-acetamidophenyl)-S-(5-acetamido-2-pyridyl)-N-(p-tolylsulfonyl)- (8CI)
• 28075-44-7
• C22H22 N4 O4 S2
• 470.5645
• .

• Spiro[5H-furo[3',2':6,7][1]benzopyrano[3,2-c]pyridine-7(6H),1'-piperidin-1'-ium],8,9-dihydro-4,11-dimethoxy-9-methylene-5-oxo-, chloride (1:1)
• 34959-30-3
• C22H24 N O5 . Cl
• 252-301-3
• 417.88266
• .

• Sulfamic acid,2-[4-(dimethylamino)phenyl]hydrazide, sodium salt (1:1)
• 27076-71-7
• C8H13 N3 O3 S . Na
• 0
• .

• Sgd 28-74
• 57081-51-3
• C₁₈H₁₉ClO₃
• 0
• .

• Silver selenide (Ag2Se)
• 1302-09-6
• Ag2Se
• 215-099-8
• 294.7
• .

• Synthetase,nicotinamide adenine dinucleotide
• 9032-69-3
• 0
• .

• Spiro[2.2]pentane-1-aceticacid
• 14364-43-3
• C7H10 O2
• 0
• .

• Silane,[(3,7-dimethyl-2,6-octadienyl)oxy]dimethoxymethyl-, (E)- (9CI)
• 70544-83-1
• C13H26 O3 Si
• 274-666-8
• 258.42924
• .

• Spiro[2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-4,2'-oxirane]-3,8,17-trione,7-(acetyloxy)-3',6,7,14-tetramethyl-, (1R,2'S,3'S,6R,7R)-
• 16958-30-8
• C21H29 N O8
• 0
• .

• Spiro[naphthalene-1(2H),2'-oxirane]-2,8-diol,8a-[(acetyloxy)methyl]-5-[2-(3-furanyl)-2-hydroxyethyl]octahydro-5,6-dimethyl-,2-acetate (9CI)
• 149992-86-9
• C24H34 O8
• .

• Silane,trimethyl(octadecyloxy)-
• 18748-98-6
• C21H46 O Si
• 242-554-8
• 342.67484
• .

• Stigmasta-5,24(28)-dien-29-oicacid, 3,22,23-trihydroxy-7-oxo-, g-lactone, (3b,22S,23R)-(9CI)
• 22263-79-2
• C29H42 O5
• 0
• .

• Sulfuric acid,monopentyl ester
• 110-92-9
• C5H12 O4 S
• 0
• .

• Sulfonium,(2-ethoxy-2-oxoethyl)dipropyl-, bromide (1:1)
• 64036-94-8
• C10H21 O2 S . Br
• 285.2415
• .

• Sodium iodide (Na125I)(8CI,9CI)
• 24359-64-6
• INa
• 246-205-0
• 147.894394
• .

• Spiro[cyclohexane-1,2'-[2H]inden]-3'(1'H)-one,7'-[3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]-
• 81840-58-6
• C21H31 N O3
• 345.4757
• .

• Sephadex G 25
• 9041-35-4
• C₉H₂₀O₉
• 0
• .

• Silanamine,N-germyl-N-silyl- (9CI)
• 15435-78-6
• GeH9 N Si2
• .