• Scandium, tris(h5-2,4-cyclopentadien-1-yl)-
• 1298-54-0
• C15H15 Sc
• 215-074-1
• 240.2355
• .

• Selenourea,N,N'-dimethyl-
• 5533-46-0
• C3H8 N2 Se
• 226-883-4
• 151.06902
• .

• Spiro[1H-cyclopenta[c]furan-5(3H),3'(4'H)-[2H]pyran]-1,2',6(4H)-trione,tetrahydro-3,3,6a-trimethyl-5'-(1-methylethenyl)-6'-(2-methyl-1-oxopropyl)-,(3'R,3aR,5'S,6'S,6aR)- (9CI)
• 151592-71-1
• C21H28 O6
• .

• Siloxanes andSilicones, di-Me, 3-(2-hydroxyphenyl)propyl Me, Me2-(7-oxabicyclo[4.1.0]hept-3-yl)ethyl
• 130885-21-1
• .

• Sorbitan, mono-9,12-octadecadienoate, (Z,Z)-
• 71872-97-4
• C24H42O6
• 276-106-8
• 426.58668
• .

• Spiro[naphthalene-1(4H),2'-naphtho[1,8-de][1,3]dioxin]-4-one,5-hydroxy-
• 159933-90-1
• C20H12 O4
• 0
• .

• Sulfonium,[2-[(diethoxyphosphinyl)thio]ethyl]diethyl-, iodide (1:1)
• 64036-95-9
• C10H24 O3 P S2 . I
• 414.304
• .

• Slimes and Sludges,sulfuric acid manuf., sulfur dioxide cooling tower, selenium-contg.
• 144507-49-3
• C₁₆H₁₁NO
• 0
• .

• Sodefrin (Cynopspyrrhogaster) (9CI)
• 161928-96-7
• C48H86 N12 O15
• 0
• .

• Sulfurous acid, methylstannyl ester
• 25453-49-0
• CH6 O3 S Sn
• .

• Silver, ion (Ag1+)
• 14701-21-4
• Ag
• 107.8682
• .

• Silicic acid (H2SiO3),chromium(3+) lithium salt (2:1:1) (8CI,9CI)
• 28155-72-8
• Cr. 2 H2 O3 Si . Li
• 248-871-8
• 211.1045
• .

• Stigmasta-5,24(28)-dien-3-ol,(3b,24Z)-
• 481-14-1
• C29H48 O
• 0
• .

• Silane, octadecyl-
• 18623-11-5
• C₁₈H₄₀Si
• 242-453-9
• 284.6
• .

• Spiro[furan-2(5H),6'(2'H)-indeno[1,7-bc]furan]-2',5-dione,3,3',4,4',5',5'a,7',7'a-octahydro-3',4',7'-trihydroxy-4-[(1S)-1-hydroxyethyl]-5'-methoxy-5'a-methyl-3'-(1-methylethyl)-,(2S,3'R,4S,4'S,5'S,5'aS,7'R,7'aS)- (9CI)
• 158879-86-8
• C20H28 O9
• .

• Spiro[azuleno[4,5-b]furan-3(2H),10'-[4H-6a,9]ethanoazuleno[4,5-b]furan]-2,2',7(3'H,3aH)-trione,4-(acetyloxy)-3'a,4,5,5',6',9',9a,9'a,9b,9'b-decahydro-6'-hydroxy-6,6',9,9'-tetramethyl-3'-methylene-,(3R,3aR,3'aS,4S,6'R,6'aS,9'S,9aS,9'aS,9bR,9'bS)- (9CI)
• 112823-41-3
• C32H36 O8
• .

• Sulfamide,N-[4-[[5,6-dihydro-4-hydroxy-6-(1-methylethyl)-2-oxo-6-(2-phenylethyl)-2H-pyran-3-yl]thio]-5-(1,1-dimethylethyl)-2-methylphenyl]-N'-ethyl-
• 263843-04-5
• C29H40 N2 O5 S2
• 560.7683
• .

• Spirost-5-ene-3,14,17-triol,(3b,25R)-
• 112468-21-0
• C27H42 O5
• .

• Sulfuric acid,platinum(4+) salt (2:1) (8CI,9CI)
• 7446-29-9
• H2O4 S . 1/2 Pt
• 387.2092
• .

• Silane,diisothiocyanatodimethyl-
• 13125-51-4
• C4H6 N2 S2 Si
• 236-059-6
• 174.32
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-4',5'-diiodo-5-isothiocyanato-
• 76391-89-4
• C21H9 I2 N O5 S
• 0
• .

• Sarafotoxin S 6d(reduced) (9CI)
• 124361-60-0
• C112H167 N27 O34 S5
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(phosphonooxy)-
• 134869-03-7
• C20H14 O11 P2
• 0
• .

• Silane, octyl-
• 871-92-1
• C₈H₂₀Si
• 212-817-1
• 144.33
• .

• Spiro[3-azabicyclo[3.1.1]heptane-6,1'-cycloheptane]-2,4-dione
• 25365-02-0
• C12H17 N O2
• .

• Sulfurous acid,2-chloroethyl 2-(isodecyloxy)ethyl ester (9CI)
• 74039-75-1
• C14H29 Cl O4 S
• 0
• .

• Sperm-activatingpeptide c (Tripneustes gratilla egg jelly coat) (9CI)
• 126166-50-5
• C35H54 N10 O12
• .

• Spirostan-3,5-diol,6-methyl-, (3b,5a,6b,25R)- (9CI)
• 73927-85-2
• C28H46 O4
• 446.6764
• .

• Spiro[7H-cyclohepta[b]furan-7,2'(5'H)-furan]-2,5'(4H)-dione,3',4',5,6,8,8a-hexahydro-8-hydroxy-3,6,8-trimethyl-, (2'S,6S,8S,8aR)-
• 29135-49-7
• C15H20 O5
• .

• Siloxanes andSilicones, di-Me,mono[[[3-[(2-aminoethyl)amino]propyl]dimethoxysilyl]oxy]-terminated
• 71750-81-7
• 0
• .

• Sulfamoyl isocyanate
• 15804-29-2
• CH2 N2 O3 S
• .

• Silane,methoxymethylbis[(1,1,5-trimethyl-6-hepten-1-yl)oxy]-
• 83817-69-0
• C22H44 O3 Si
• 280-970-1
• 384.66846
• .

• Silane,dichloro(3-chloropropyl)-
• 24070-84-6
• C3H7 Cl3 Si
• 176.5242
• .

• Stannane,bis(butylthio)dimethyl-
• 1000-40-4
• C10H24 S2 Sn
• 327.15
• .

• Silicic acid, aluminummagnesium salt
• 1327-43-1
• Al₂F₃₀Mg₂Si₅
• 215-478-8
• 812.952672
• .

• Sulfamic acid,1,2-dimethyl-1,2-ethanediyl ester (9CI)
• 77658-12-9
• C4H12 N2 O6 S2
• 0
• .

• Strychnidin-10-one,16-(1-methylethoxy)- (9CI)
• 70689-94-0
• C24H28 N2 O3
• 0
• .

• Silane,tris(2-chloroethoxy)methyl-
• 6711-45-1
• C7H15 Cl3 O3 Si
• 229-759-8
• 281.6367
• .

• Silanetriol, ethyl-,tripotassium salt (9CI)
• 93857-01-3
• C2H8 O3 Si . 3 K
• 299-136-3
• 222.4397
• .

• Siloxanes andSilicones, di-Me, 3-hydroxypropyl Me, Me Pr, ethers withpolyethylene-polypropylene glycol and polyethylene-polypropylene glycol mono-Buether
• 252876-97-4
• .

• Stannane,1,1'-(1,4-naphthalenediyl)bis[1,1,1-trimethyl-
• 76246-38-3
• C16H24 Sn2
• 0
• .

• Silver,[(2S)-2-(hydroxy-kO)propanoato-kO]-
• 80298-33-5
• C3H5 Ag O3
• 196.94
• .

• Stannanediamine (9CI)
• 28270-91-9
• H6N2 Sn
• .

• Sorangicin A,33,36-deepoxy-33-hydroxy-36-oxo-, (41E)- (9CI)
• 119324-30-0
• C47H66 O12
• .

• Saytex 111 (9CI)
• 119371-41-4
• 0
• .

• Silane,dimethylbis(1-methylethoxy)-
• 5575-49-5
• C8H20 O2 Si
• 226-950-8
• 176.3287
• .

• Silane,dimethoxymethyl[[5-methyl-2-(1-methylethyl)cyclohexyl]oxy]-, [1R-(1a,2b,5a)]- (9CI)
• 83863-60-9
• C13H28 O3 Si
• 281-124-4
• 260.44512
• .

• Strontium borate oxide,europium-doped
• 102110-29-2
• 310-028-8
• .

• Stannane,trimethyl(1-methylpropyl)-
• 15095-79-1
• C7H18 Sn
• 220.9278
• .

• Sarpagan-10,17-diol,(16S)- (9CI)
• 102490-01-7
• C19H22 N2 O2
• 0
• .