• Spiro[furan-2(5H),4'-[4H]inden]-6'(5'H)-one,1',2',3',3'a,7',7'a-hexahydro-5'-[(1E)-3-(5-hydroxy-2-methoxy-3-methylphenyl)-1-methyl-1-propenyl]-3'a,5,5,7'a-tetramethyl-,(2R,3'aR,5'S,7'aR)-rel-(-)- (9CI)
• 149864-72-2
• C28H38 O4
• .

• Spiro[2a,6a-epoxynaphth[2,3-b]oxirene-2(7H),2'-naphtho[1,8-de][1,3]dioxin]-7-one,1a,3,4,5,6,7a-hexahydro-3,6-dihydroxy-, (1aa,2ab,3a,6a,6ab,7aa)- (9CI)
• 151702-60-2
• C20H16 O7
• 378.4162
• .

• Sulfamic acid,N-methoxy-N-methyl-, sodium salt (1:1)
• 5390-94-3
• C2H7 N O4 S . Na
• 226-386-2
• 163.12811
• .

• Sulfonium, triethyl-,bromide (1:1)
• 3378-18-5
• C6H15 S . Br
• 0
• .

• Silane,(iodomethyl)trimethyl-
• 4206-67-1
• C₄H₁₁ISi
• 224-123-6
• 214.12
• .

• Sitagliptan
• 790712-60-6
• C₁₆H₁₈F₆N₅O₅P
• 0
• .

• Surlyn 9970
• 28516-43-0
• C₆H₉O₂Zn
• 0
• .

• Spiro[furan-3(2H),1'(7'H)-naphthalene]-2,7'-dione,5-(2,5-dihydro-5-hydroxy-2-oxo-3-furanyl)-2',3',4,4',4'a,5,8',8'a-octahydro-2',5'-dimethyl-
• 147742-03-8
• C19H22 O6
• 0
• .

• Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, 4',4'a,6'a,7'-tetrahydro-7',8'-dimethyl-2'-oxo-,(1'R,4'aR,6'aR,7'S,9'aS)-
• 31501-48-1
• C15H16 O5
• 0
• .

• Somatoliberin (humanpancreatic islet),1-[5-(iodo-125I)-L-histidine]-2-D-alanine-27-L-norleucine-29-L-argininamide-30-de-L-glutamine-31-de-L-glutamine-32-deglycine-33-de-L-glutamicacid-34-de-L-serine-35-de-L-asparagine-36-de-L-glutamine-37-de-L-glutamicacid-38-de-L-arginine-39-deglycine-40-de-L-alanine-41-de-L-arginine-42-de-L-alanine-43-de-L-arginine-44-de-L-leucinamide-(9CI)
• 112372-78-8
• C147H245 I N46 O41
• 0
• .

• Strychnidinium,19-methyl-, chloride (9CI)
• 70689-95-1
• C22H27 N2 O . Cl
• 0
• .

• Spiro[oxirane-2,22'-[16H-2,15a,3][1,2,3]propanetriyl[15H-1,4,11,14]benzotetraoxacycloheptadecin]-5',10',13'(12'H)-trione,2',3',17',19'a-tetrahydro-12'-[(1R)-3-hydroxy-1-methylpropyl]-18',21'-dimethyl-,(2S,2'R,3'R,6'Z,8'E,12'S,15'aR,19'aR,21'R)- (9CI)
• 123116-09-6
• C27H34 O9
• .

• Solanid-5-ene-3,23-diol,(3b,23b)-
• 24884-17-1
• C27H43 N O2
• 0
• .

• Silicic acid, zinc salt
• 11126-29-7
• O3SiZn
• 234-369-6
• 141.4737
• .

• Spiro[4.5]dec-6-ene,6,10-dimethyl-2-(1-methylethenyl)-, (2R,5S,10S)-
• 123484-18-4
• C15H24
• .

• Siplast
• 1318-00-9
• AlFeMgO₃Si
• 0
• .

• Selenophene,2-(methylthio)-
• 31053-54-0
• C5H6 S Se
• 0
• .

• Silane,ethenyltris(1-methylethoxy)-
• 18023-33-1
• C₁₁H₂₄O₃Si
• 241-931-4
• 232.39
• .

• Stannane,triphenyl-2-propen-1-yl-
• 76-63-1
• C21H20 Sn
• 200-975-4
• 391.10
• .

• Sulfuric acid,mono[acetyl[4-(2-phenylethenyl)phenyl]azanyl] ester
• 64332-93-0
• C16H15 N O5 S
• 333.359
• .

• Spiro[2.11]tetradecane-1,1,2,2-tetracarbonitrile
• 14651-45-7
• C18H22 N4
• 294.3941
• .

• Sulfurous acid, dibutylester
• 626-85-7
• C8H18 O3 S
• 210-965-1
• 138.1854
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4'-bromo-3',6'-dihydroxy-
• 25709-80-2
• C20H11 Br O5
• 0
• .

• Septamycin,27-methoxy-, (27S)- (9CI)
• 125131-53-5
• C49H84 O17
• 945.1811
• .

• Spiro[1,3-benzodioxole-2,4'-piperidine],hexahydro-
• 16783-70-3
• C11H19 N O2
• .

• Sideronatrite(Na2[Fe(OH)(SO4)2].3H2O)
• 12160-02-0
• FeH O9 S2 . 3 H2 O . 2 Na
• .

• Sorbitan, dodecanoate,poly(oxy-1,2-ethanediyl) derivs.
• 9062-73-1
• 0
• .

• Shorea stenoptera, ext.
• 91770-65-9
• 294-851-7
• 0
• .

• sodium 2-[[4-[(4-amino-3-methyl-phenyl)-(4-anilinophenyl)methylidene]-1-cyclohexa-2,5-dienylidene]amino]benzenesulfonate
• 62152-67-4
• C₃₂H₂₆N₃NaO₃S
• 263-438-3
• 646.73
• .

• Silicic acid (H4SiO4),tetrakis(2-ethylbutyl) ester
• 78-13-7
• C24H52 O4 Si
• 201-085-9
• 432.85
• .

• Sulfuric acid, ammoniumiron(2+) salt (8CI,9CI)
• 19864-63-2
• Fe. x H3 N . x H2 O4 S
• 0
• .

• Spiro[4H-4,9a-methanocyclopent[d]oxocin-6(2H),3'-oxetane]-2,2'-dione,hexahydro-1,5,6a,7-tetrahydroxy-5,9-dimethyl-, (1R,3'S,4R,5R,6aR,7R,9R,9aS)-
• 5230-87-5
• C15H20 O8
• 328.35
• .

• Spiro[cyclopropane-1,2'-[2H]indol]-3'(1'H)-one,1'-methyl-
• 64053-86-7
• C11H11 N O
• 173.2111
• .

• Spiro[3.5]nonan-1-one,2,2-dimethyl-3-(1-piperidinyl)-
• 1146-28-7
• C16H27 N O
• 249.3917
• .

• SKF 108636 (9CI)
• 155215-78-4
• C₂₄H₃₈N₆O₁₁
• 586.5921
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,5-azido-3',6'-dihydroxy-
• 77162-08-4
• C20H11 N3 O5
• 0
• .

• Spiro[9H-benzo[a]fluorene-9,2'(3'H)-furo[3,2-b]pyridin]-11(1H)-one,3-(b-D-glucopyranosyloxy)-2,3,3'a,4,4',5',6,6',6a,6b,7,7',7'a,8,11a,11b-hexadecahydro-3',6',10,11b-tetramethyl-,(2'R,3S,3'R,3'aS,6'S,6aS,6bS,7'aR,11aS,11bR)-
• 36069-05-3
• C33H49 N O8
• 0
• .

• Silicic acid, lithiumsalt
• 12627-14-4
• Li2O3Si
• 235-730-0
• 89.9657
• .

• Spiro[7H-cyclohepta[b]furan-7,2'(5'H)-furan]-2,5',8(3H,4H)-trione,hexahydro-3,6-dimethyl- (9CI)
• 29135-05-5
• C14H18 O5
• .

• Spirostan-3-ol, (3b,5b,25R)-
• 126-18-1
• C27H44 O3
• 204-775-8
• 416.64
• .

• Silicic acid (H4SiO4),tetrakis[2-(2-methoxyethoxy)ethyl] ester
• 24685-89-0
• C20H44 O12 Si
• 246-406-3
• 504.64
• .

• Spiro[2-cyclohexene-1,1'(2'H)-cyclopenta[ij][1,3]dioxolo[4,5-g]isoquinolin]-4-ol,2'a,3',4',5'-tetrahydro-3'-methyl-, (1S,2'aS,4R)-
• 26996-65-6
• C18H21 N O3
• .

• Silicic acid (H4SiO4),tetracyclohexyl ester
• 15717-29-0
• C24H44 O4 Si
• 239-808-5
• 424.69
• .

• Spiro[22,26-methano-20H,24H-furo[2,3-h][1,5]dioxacyclohexacosin-24,2'-[2H]pyran]-20-one,13-[[5-(dimethylamino)tetrahydro-6-methyl-2H-pyran-2-yl]oxy]-2,3,3',3a,4',5',6,6',7,8,9,10,11,12,13,14,15,16,17,22,23,26,27,27a-tetracosahydro-11,12,14,16,27a-pentahydroxy-6'-(2-hydroxybutyl)-2,2,11,15,17,28-hexamethyl-(9CI)
• 152986-49-7
• C49H85 N O14
• 912.1975
• .

• Sulfonium,(4-hydroxyphenyl)dimethyl-, chloride (1:1)
• 1005-35-2
• C8H11 O S . Cl
• 213-733-8
• 190.69034
• .

• Stannane,chlorotriethenyl-
• 10008-90-9
• C6H9 Cl Sn
• 235.29
• .

• Sodium oleate
• 143-19-1
• C₁₈H₃₃NaO₂
• 205-591-0
• 304.44319
• .

• Sulfurous acid,2-chloroethyl 2-[4-(1,1-dimethylethyl)phenoxy]-1-methylethyl ester
• 140-57-8
• C15H23 Cl O4 S
• 334.89
• .

• Sulfur,ethenylpentafluoro-, (OC-6-21)-
• 865-54-3
• C2H3 F5 S
• 0
• .

• Swormlure 4 (9CI)
• 93793-76-1
• 0
• .