• Silicic acid (H4SiO4),tetrakis(1,1-dimethyl-2-oxo-2-phenylethyl) ester (9CI)
• 94237-09-9
• C40H44 O8 Si
• 304-108-1
• 680.85806
• .

• Sanchinan A
• 109224-12-6
• C₅₃H₉₀O₄₅
• 0
• .

• Silane,(chloromethyl)decyldimethyl-
• 70715-16-1
• C13H29 Cl Si
• 274-818-3
• 248.90786
• .

• Sulfonium,dimethyl[3-[[[2-[2-[(4-nitrobenzoyl)amino]ethyl]-5-thiazolyl]carbonyl]amino]propyl]-,chloride (1:1)
• 146871-86-5
• C18H23 N4 O4 S2 . Cl
• .

• Spiro[cyclohexane-1,1'-[1H]inden]-5'-ol,2',3'-dihydro-3',3'-dimethyl-
• 53718-33-5
• C16H22 O
• 258-721-3
• 230.34528
• .

• Silicic acid (H4SiO4),cobalt salt (8CI,9CI)
• 26686-74-8
• Co. x H4 O4 Si
• 247-902-2
• 311.33202
• .

• Spiro[bicyclo[3.1.1]heptane-3,2'-[1,3]dioxolane](9CI)
• 649-92-3
• C9H14 O2
• 0
• .

• Siloxanes andSilicones, di-Ph, polymers with Ph silsesquioxanes, sec-butoxy- and[(trimethylsilyl)oxy]-terminated
• 307952-72-3
• .

• Silicon, mol. (Si3)
• 12597-37-4
• Si3
• 0
• .

• Silicon carbide
• 12327-32-1
• C3Si2
• 0
• .

• Silanetriol,1-(3-aminopropyl)-
• 58160-99-9
• C₃H₁₁NO₃Si
• 261-145-5
• 137.2098
• .

• Sulfuric acid,mono[(2-methylphenyl)methyl] ester
• 76773-80-3
• C8H10 O4 S
• 0
• .

• Stigmast-7-en-3-ol, (3b,5a,24S)-
• 18525-35-4
• C29H50 O
• 0
• .

• Spiro[2,6-dioxabicyclo[3.1.0]hexane-4,6'-[1H,6H]phenaleno[1,9a-c]furan]-3,3',7'(5'H,8'H)-trione,10'-(acetyloxy)-5'a,8'a,9',10',11',11'b-hexahydro-8'a,9'-dimethyl-,(1R,4S,5S,5'aR,8'aR,9'S,10'R,11'aS,11'bR)- (9CI)
• 140163-62-8
• C22H24 O8
• .

• Siloxanes andSilicones, 3-aminopropyl Me, lauryl Me, Me 2-phenylpropyl
• 109037-71-0
• 0
• .

• Selenic acid, aluminumsalt (3:2)
• 14696-77-6
• Al. 3/2 H2 O4 Se
• 238-746-6
• 482.835876
• .

• Spiro[cyclohexane-1,4'(3'H)-[1H-7,9a]methanocyclohepta[c]pyran]-2-carboxaldehyde,6-(acetyloxy)hexahydro-5'-hydroxy-3,3,8'-trimethyl-1',9'-dioxo-,(1S,2R,4'aS,5'S,6S,7'S,8'R,9'aS)- (9CI)
• 130774-17-3
• C22H30 O7
• .

• Stannane,methyltripentyl-
• 108110-01-6
• C16H36 Sn
• 347.167
• .

• Sulfur fluoride oxide(SF4O), (SP-5-21)-
• 13709-54-1
• F4O S
• 124.06
• .

• Silylene, dimethyl-(7CI,8CI,9CI)
• 6376-86-9
• C2H6 Si
• 340.3962
• .

• Selenium, isotope ofmass 82
• 14687-58-2
• Se
• 0
• .

• Spiro[thiazolidine-2,2'-tricyclo[3.3.1.13,7]decane],5'-bromo-, hydrochloride (1:1)
• 159553-31-8
• C12H18 Br N S . Cl H
• 324.708
• .

• Silanediamine,N-(chlorodimethylsilyl)-N'-(chlorodiphenylsilyl)-1,1-dimethyl-
• 64426-36-4
• C16H24 Cl2 N2 Si3
• 264-892-5
• 399.5377
• .

• Spiro[5H-dibenzo[a,d]cycloheptene-5,2'-[1,3]dioxolane]-4'-methanamine,10,11-dihydro-N,N-dimethyl-
• 34753-46-3
• C20H23 N O2
• 0
• .

• Silsesquioxanes,3-aminopropyl, ethoxy- and hydroxy-terminated, laurates (salts)
• 221189-89-5
• .

• Stannane,tribromobutyl-
• 1528-07-0
• C4H9 Br3 Sn
• 412.5124
• .

• Spirost-5-ene-3,23-diol,(3b,23S,25R)-
• 28415-08-9
• C27H42 O4
• 0
• .

• Sylvite (KCl) (9CI)
• 14336-88-0
• ClK
• 144.912569
• .

• Silver fluoride (Ag2F)
• 1302-01-8
• Ag2F
• 0
• .

• Silane,trimethylpentyl-
• 1641-49-2
• C8H20 Si
• 144.3299
• .

• Sulfuric acid,mono(2-methylpropyl) ester, ammonium salt (1:1)
• 10498-22-3
• C4H10 O4 S . H3 N
• 171.2153
• .

• Sulfuric acid,cobalt(2+) potassium salt (2:1:2) (8CI,9CI)
• 13596-22-0
• Co. 2 H2 O4 S . 2 K
• 237-040-5
• 329.26
• .

• Sulfuric acid,yttrium(3+) salt (3:2)
• 13510-71-9
• H2O4 S . 2/3 Y
• 236-844-3
• 465.9995
• .

• Silane,trichloro(4-methylpentyl)-
• 20170-36-9
• C6H13 Cl3 Si
• 243-558-2
• 219.61192
• .

• Substance P-relatedpeptide (Lampetra fluviatilis) (9CI)
• 154563-90-3
• C66H108 N20 O14 S
• .

• Spiro[furan-3(2H),1'(2'H)-naphthalene]-5'-aceticacid,5'-carboxy-4'a,8'a-diformyl-5-(3-furanyl)decahydro-2,4',6'-trihydroxy-2'-(hydroxymethyl)-,(1'R,2R,2'R,4'R,4'aR,5S,5'S,6'R,8'aR)- (9CI)
• 143183-61-3
• C23H28 O12
• .

• Spiro[androstane-3,2'-oxazolidin]-3'-yloxy,17-hydroxy-4',4'-dimethyl-, (5a,17b)-
• 25521-33-9
• C23H38 N O3
• 376.56
• .

• Stigmasta-3,23,28-trien-21-oicacid, 23,29-epoxy-3-hydroxy-2-oxo-, (5b)- (9CI)
• 144436-07-7
• C29H40 O5
• .

• Spiro[acridine-9(10H),1'-cyclohexane]
• 14458-75-4
• C18H19 N
• 238-448-6
• 249.35016
• .

• Selenious acid, lithiumsalt (1:2)
• 15593-51-8
• H2O3 Se . 2 Li
• 239-666-4
• 140.84
• .

• Spiro[17H-dicyclopropa[1,2:6,7]cyclopenta[a]phenanthrene-17,2'(3'H)-furan]-3(1H)-one,21,21-difluoro-2,4',5',6,7,8,9,10,11,12,13,14,15,16,20,21-hexadecahydro-10,13-dimethyl-,(1S,2R,6S,7S,8R,9S,10S,13S,14S,17R)- (9CI)
• 31266-85-0
• C24H30 F2 O2
• .

• Selenoperoxydicarbonicdihydrazide ([(H2NHN)C(O)]2Se2) (9CI)
• 25740-12-9
• C2H6 N4 O2 Se2
• .

• Spiro[benzofuran-3(2H),9'(8'H)-[2H]furo[2,3-h][1]benzopyran]-8'-one,3',4'-dihydro-3',4,5',6-tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-,(2R,2'R,3R,3'R)-
• 101046-79-1
• C30H22 O10
• .

• Silanol,2-butene-1,4-diylbis[methyl- (9CI)
• 23636-58-0
• C6H16 O2 Si2
• .

• Spiro[bicyclo[4.2.1]nonane-2,2'-[1,3]dithiane](9CI)
• 28640-77-9
• C12H20 S2
• .

• Sacchachitin (9CI)
• 220857-82-9
• .

• Santopour C
• 30917-97-6
• 0
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dimercapto-
• 25319-73-7
• C20H12 O3 S2
• 246-830-9
• 364.43748
• .

• Samarium, isotope ofmass 142
• 15701-12-9
• Sm
• 142
• .

• Strychnidin-10-one,21,22-dihydro-, (21a)- (9CI)
• 15006-14-1
• C21H24 N2 O2
• 0
• .