• Spiro[1,3-dioxolane-2,8'(5'H)-[2H-2,4a]methanonaphthalene],hexahydro-1',1',5',5'-tetramethyl-
• 154171-76-3
• C17H28 O2
• 158.28108
• .

• Sorangicin A, (41E)-(9CI)
• 119324-29-7
• C47H66 O11
• .

• Strontium chloridephosphate (Sr5Cl(PO4)3), europium-doped
• 68784-77-0
• ClO3PSr
• 272-272-0
• 305.664361
• .

• Sulfamic acid,N-(2-hydroxy-2-methyl-1-oxopropyl)-
• 97259-89-7
• C4H9 N O5 S
• 306-453-3
• 183.18296
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2'-bromo-6'-(dibutylamino)-3'-methyl-
• 117342-26-4
• C29H30 Br N O3
• 520.4574
• .

• Stannane,tributyl[(phenylsulfonyl)methyl]-
• 31126-39-3
• C19H34 O2 S Sn
• 445.2471
• .

• Spiro[dicyclopenta[a,d]cyclooctene-3(7H),2'(3'H)-furan]-7-one,1,2,3a,4,4',5,5',9a,10,10a-decahydro-5-hydroxy-6-(hydroxymethyl)-3',9,10a-trimethyl-5'-(2-methyl-1-propen-1-yl)-,(2'S,3'S,3aR,5S,5'R,9aR,10aR)-
• 114058-47-8
• C25H36 O4
• .

• Silicic acid (H4SiO4),aluminum magnesium salt (2:2:1)
• 12511-31-8
• Al. H4 O4 Si . 1/2 Mg
• 235-682-0
• 0
• .

• Silanetetramine,N,N,N',N',N'',N'',N''',N'''-octaethyl-
• 17048-10-1
• C16H40 N4 Si
• 241-115-8
• 316.6
• .

• Selenourea,N,N'-diphenyl-
• 16519-43-0
• C13H12 N2 Se
• 274.1998
• .

• Spiro[5.5]undecane-2,4-dione
• 1481-99-8
• C11H16 O2
• 180.24
• .

• Spiro[5H-furo[3,2-b]naphtho[2,3-d]pyran-5,2'-[2H]pyran]-2,6,11(3H)-trione,4'-(acetyloxy)-3'-[[5-(dimethylamino)tetrahydro-6-methyl-2H-pyran-2-yl]oxy]-3',3a,4',5',6',11b-hexahydro-7-hydroxy-6'-methyl-,[2'R-[2'a(3aR*,11bR*),3'a(2R*,5S*,6R*),4'a,6'b]]- (9CI)
• 158268-23-6
• C30H35 N O11
• 585.599
• .

• Stigmastane-3,6,8,15,16-pentol,29-[(6-O-sulfo-b-D-glucopyranosyl)oxy]-,monosodium salt, (3b,5a,6a,15b,16b,24R)- (9CI)
• 131985-14-3
• C35H62 O14 S . Na
• .

• Spiro[9-azabicyclo[3.3.1]nonane-3,4'-imidazolidine]-2',5'-dione,9-methyl-
• 81424-64-8
• C11H17 N3 O2
• 0
• .

• Stannane,triethyl(phenylthio)-
• 1012-56-2
• C12H20 S Sn
• 315.0622
• .

• Spiro[9H-imidazo[1,2-a]indole-9,3'-[1,5](iminomethano)[3H][1,4]oxazepino[3,4-b]quinazoline]-3,7',13'(1'H,2H)-trione,1,4',5',9a-tetrahydro-1',2-dimethyl-, (1'R,2S,3'R,5'S,9aS)-
• 140924-01-2
• C24H21 N5 O4
• .

• Soybean oil,ethoxylated propoxylated
• 106168-35-8
• .

• Spiro[benzofuran-2(3H),9'(8'H)-[2H]furo[2,3-h][1]benzopyran]-3-one,3',4'-dihydro-3',4,5',6-tetrahydroxy-2',8'-bis(4-hydroxyphenyl)-,(2R,2'R,3'S,8'R)-
• 111103-90-3
• C30H22 O10
• 0
• .

• Sapphire (Al2O3)
• 1317-82-4
• Al2O3
• 0
• .

• Silane, trifluoro-(6CI,7CI,8CI,9CI)
• 13465-71-9
• F₃HSi
• 86.09
• .

• Silyliumylidene
• 31241-66-4
• HSi
• 29.09344
• .

• Styrene, alpha-methylstyrene, vinyltoluene, dicyclopentadiene, indene, maleic anhydride polymer
• 70495-40-8
• C₄₉H₅₀O₃
• 0
• .

• Spiro[3H-1,2-benzodioxole-3,1'-[2,4]cyclohexadien]-6'-one,5',7-bis(1,1-dimethylethyl)-3',5-dimethoxy-
• 149329-90-8
• C22H28 O5
• .

• Silanediol,1-methyl-1-phenyl-, 1,1-diacetate
• 17998-91-3
• C11H14 O4 Si
• 241-912-0
• 238.31
• .

• Silanediamine,1-chloro-N,N,N',N'-tetramethyl-1-phenyl-
• 25374-10-1
• C10H17 Cl N2 Si
• 246-907-7
• 228.79
• .

• Silane, ion(1-)
• 15807-96-2
• H3Si
• 33.1257
• .

• s-Indacene-4-propanamine,1,2,3,5,6,7-hexahydro-N,N-dimethyl-, hydrochloride (1:1)
• 80761-08-6
• C17H25 N . Cl H
• 0
• .

• Scandium, isotope ofmass 44
• 14391-94-7
• Sc
• 44
• .

• Sulfuric acid,thallium(1+) tin(2+) salt (2:2:1) (8CI,9CI)
• 27790-36-9
• H2O4 S . 1/2 Sn . Tl
• 719.6018
• .

• Spiro[estra-4,9-diene-17,2'(3'H)-furan]-3-one,11-[4-(dimethylamino)phenyl]-4',5'-dihydro-7-methyl-, (7b,11b,17b)-
• 123916-70-1
• C30H39 N O2
• 445.6362
• .

• Seractide
• 12279-41-3
• C₂₀₇H₃₀₈N₅₆O₅₈S
• 232-659-7
• 4541.07
• .

• Stannane,dibutylbis[(1-oxoisooctyl)oxy]-
• 85702-74-5
• C24H48 O4 Sn
• 288-265-0
• 519.34552
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-6-carboxamide,3',6'-bis(acetyloxy)-N-[3-[3-[2,5-dihydro-4-(1-methyl-1H-indol-3-yl)-2,5-dioxo-1H-pyrrol-3-yl]-1H-indol-1-yl]propyl]-3-oxo-
• 150206-02-3
• C49H36 N4 O10
• 0
• .

• Silicic acid (H2SiO3),aluminum beryllium salt (6:2:3) (9CI)
• 12428-23-8
• Al. 3/2 Be . 3 H2 O3 Si
• 0
• .

• Sorcin (Cricetulusgriseus clone cp8 protein moiety reduced) (9CI)
• 106528-86-3
• 0
• .

• Silane,methoxymethylbis[(3-phenyl-2-propenyl)oxy]- (9CI)
• 83817-68-9
• C20H24 O3 Si
• 280-969-6
• 340.48826
• .

• Spiro[3H-indole-3,1'(5'H)-indolizine]-7'-aceticacid, 6'-ethenyl-1,2,2',3',6',7',8',8'a-octahydro-a-(methoxymethylene)-2-oxo-, methyl ester, (aE,1'R,6'R,7'S,8'aS)-
• 630-94-4
• C22H26 N2 O4
• 0
• .

• Somatostatin (sheep),1-L-tyrosine-
• 59481-23-1
• C82H108 N18 O20 S2
• 1729.97
• .

• Sulfamic acid,N-(3-methoxy-4-methylphenyl)-
• 84029-44-7
• C8H11 N O4 S
• 281-718-3
• 217.24224
• .

• Stigmast-4-en-21-oicacid, 4-chloro-3,23-dioxo-, (24x)- (9CI)
• 149260-75-3
• C29H43 Cl O4
• .

• Sempervirine
• 6882-99-1
• C₁₉H₁₆N₂
• 273.3511
• .

• Spiro[acephenanthrylene-4(5H),2'-bicyclo[3.1.0]hexan]-2(6H)-one,6a,7,8,9,10,10a-hexahydro-1,5-dihydroxy-7,7,10a-trimethyl-3,5'-bis(1-methylethyl)-,(1'S,2'S,5S,5'R,6aS,10aS)- (9CI)
• 146502-69-4
• C30H42 O3
• .

• Silane,dibutoxydimethyl-
• 1591-02-2
• C10H24 O2 Si
• 216-467-0
• 204.3819
• .

• Sulfamide,N,N'-bis(trichlorophosphoranylidene)-
• 14259-65-5
• Cl6N2 O2 P2 S
• .

• Sodium pyrophosphate peroxide
• 15039-07-3
• H₄O₇P₂·2H₂O₂·4Na
• 0
• .

• Stannane,bis(2-methylpropyl)bis[(1-oxododecyl)oxy]- (9CI)
• 1185-69-9
• C32H64 O4 Sn
• .

• Silanediol,1-(1,1-dimethylethoxy)-1-ethenyl-, 1,1-diacetate
• 64426-40-0
• C10H18 O5 Si
• 0
• .

• Scandate (ScO21-),magnesium (2:1) (9CI)
• 12032-33-6
• Mg. 2 O2 Sc
• 234-769-0
• 178.21442
• .

• Spiro[furan-3(2H),7'(10'H)-[1H]naphtho[1,8a-c]furan]-2,10'-dione,5-(3-furanyl)decahydro-3',5'-dihydroxy-8'-methyl-,(3R,3'R,3'aR,5S,5'S,6'aS,8'R,10'aR)- (9CI)
• 103994-20-3
• C20H24 O7
• .

• Stigmasta-4,22-diene-6,8,15,16,29-pentol,3-[(2-O-methyl-b-D-xylopyranosyl)oxy]-,15-(hydrogen sulfate), monosodium salt, (3b,6b,15a,16b,22E,24R)- (9CI)
• 156398-65-1
• C35H58 O13 S . Na
• .