• Silane,trichloro(1-chloroethenyl)-
• 2441-27-2
• C2H2 Cl4 Si
• 219-473-1
• 195.93478
• .

• Spiro[naphthalene-1(2H),3'-pyrrolidine]-2',5'-dione,3,4-dihydro-1'-[2-[(2-hydroxyethyl)methylamino]ethyl]-, (+)-
• 28309-56-0
• C18H24 N2 O3
• 316.3948
• .

• Sulfamic acid,nickel(2+) salt (2:1), tetrahydrate (9CI)
• 124594-15-6
• H₁₄N₂NiO₁₀S₂
• 237-396-1
• 322.93
• .

• Synthetase, acetylcoenzyme A
• 9012-31-1
• C₁₁H₁₁N₃O₈
• 232-729-7
• 0
• .

• Silver oxide
• 20667-12-3
• Ag₂O
• 243-957-1
• 231.74
• .

• Spiro[cyclopenta[c]pyran-7(1H),2'(5'H)-furan]-4-carboxylicacid, 1-(b-D-glucopyranosyloxy)-4a,7a-dihydro-4'-[(1S)-1-hydroxyethyl]-5'-oxo-,methyl ester, (1S,2'R,4aS,7aS)-
• 511-89-7
• C21H26 O12
• 0
• .

• Substance P,3-[N6-[[3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinyl]methyl]-L-lysine]-(9CI)
• 101213-42-7
• C71H108 N19 O18 P S
• 0
• .

• Somatostatin (sheepreduced), 5-L-alanine-9-L-ornithine- (9CI)
• 102502-51-2
• C74H103 N17 O18 S2
• 0
• .

• Sulfonamides,C4-8-alkane, perfluoro,N,N'-[1,6-hexanediylbis[(2-oxo-3,5-oxazolidinediyl)methylene]]bis[N-methyl-
• 306980-27-8
• .

• Sulfonium,(3-cyclohexyl-3-hydroxy-3-phenylpropyl)dimethyl-, iodide (1:1)
• 110055-40-8
• C17H27 O S . I
• 0
• .

• Stannane,dibromodipropyl-
• 1655-80-7
• C6H14 Br2 Sn
• 364.6934
• .

• Stibine sulfide,triphenyl-
• 3958-19-8
• C18H15 S Sb
• 223-555-2
• 385.14
• .

• Spiro[2H-benzo[2,3]pyrrolizino[1,7-bc][1]benzazepine-1(8H),11'-[11H]quindolin]-2-one,5',10'-dihydro-5',8-dimethyl- (9CI)
• 154888-00-3
• C34H24 N4 O
• 504.5806
• .

• Spiro[3.4]octa-5,7-diene
• 15439-15-3
• C8H10
• 0
• .

• Sulfamic acid,N,N-dimethyl-, 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthracenyl)amino]phenylester
• 6648-62-0
• C22H18 N2 O6 S
• 229-666-2
• 438.45312
• .

• Spiro[cyclotetrasiloxane-2,1'(2'H)-[1]silaacenaphthylene],4,4,6,6,8,8-hexamethyl- (9CI)
• 13093-12-4
• C17H26 O4 Si4
• 406.7279
• .

• Strychnidinium,21,22-dihydro-19-methyl-10-oxo-, chloride, (21a)- (9CI)
• 14896-70-9
• C22H27 N2 O2 . Cl
• 386.915
• .

• Spiro[cyclohexane-1,2'(3'H)-imidazo[2,1-b]oxazole],4-methyl-6'-nitro-
• 127692-25-5
• C11H15 N3 O3
• 237.2551
• .

• Silicic acid (H4SiO4),strontium salt (1:2) (8CI,9CI)
• 13597-55-2
• H4O4 Si . 2 Sr
• 237-052-0
• 327.4074
• .

• SECURININE NITRATE
• 7104-26-9
• C₁₃H₁₆N₂O₅
• 0
• .

• Silane,(2-iodoethynyl)trimethyl-
• 18163-47-8
• C₅H₉ISi
• 224.11
• .

• Silane,dichloromethyl(3,3,4,4,5,5,6,6,6-nonafluorohexyl)-
• 38436-16-7
• C7H7 Cl2 F9 Si
• 253-930-6
• 361.11
• .

• Selenoperoxydicarbonicdihydrazide ([(H2NNH)C(Se)]2Se2) (9CI)
• 28598-55-2
• C2H6 N4 Se4
• .

• Sperm-activatingpeptide a (Heterocentrotus mammillatus egg jelly coat) (9CI)
• 125851-22-1
• C36H62 N10 O15
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2'-chloro-6'-(diethylamino)-
• 26567-23-7
• C24H20 Cl N O3
• 405.87
• .

• Silane,(chloromethyl)diethylmethyl-
• 2943-81-9
• C6H15 Cl Si
• 150.7218
• .

• Substance P,1-[N5-[[[[3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinyl]methyl]amino]iminomethyl]-L-ornithine]-3-[N6-[[3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinyl]methyl]-L-lysine]-(9CI)
• 101213-43-8
• C79H118 N20 O23 P2 S
• 0
• .

• Spiro[furan-3(2H),1'(4'H)-naphthalen]-4'-one,2-(acetyloxy)-4'a-[(acetyloxy)methyl]-5'-(chloromethyl)-5-(3-furanyl)-4,4'a,5,5',6',7',8',8'a-octahydro-3',5'-dihydroxy-2'-methyl-,(1'S,2S,4'aS,5S,5'R,8'aR)-
• 124192-96-7
• C24H29 Cl O9
• .

• Scandium hydroxide(Sc(OH)3)
• 17674-34-9
• H3O3 Sc
• 241-658-0
• 95.97793
• .

• Spiro[furan-2(5H),6'-morphinan]-5-one,4',5'-epoxy-3,4-dihydro-3',14'-dihydroxy-17'-methyl-4-methylene-, (5'a,6'a)- (9CI)
• 92398-22-6
• C21H23 N O5
• 0
• .

• Siloxanes and Silicones, di-Me, Me stearyl
• 67762-83-8
• 0
• .

• Sulfuric acid,mono[methyl[4-(2-phenyldiazenyl)phenyl]azanyl] ester
• 60462-50-2
• C13H13 N3 O4 S
• 0
• .

• SF 342A
• 24937-74-4
• C₁₃H₁₅NO₂
• 217.2637
• .

• Spiro[1,3-dioxolane-2,7'-pentacyclo[4.3.0.02,5.03,9.04,7]nonane]-2'-carboxylicacid, 1',3',4',5',6',8',9'-heptachloro-
• 1659-90-1
• C12H5 Cl7 O4
• 461.3367
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-, potassium salt(1:2)
• 24545-87-7
• C20H4 Cl4 I4 O5 . 2 K
• 973.6726
• .

• Spiro[cyclopentane-1,2'-[1,5,6]triazabicyclo[3.1.0]hexane],4',4',6'-tris(trifluoromethyl)-
• 130720-66-0
• C10H10 F9 N3
• 343.1921
• .

• Spiro[1,3-dioxolane-2,7'(8'H)-[3H]naphth[1,8a-b]oxirene](9CI)
• 23143-06-8
• C12H12 O3
• .

• Strychnidin-10-one,16-hydroxy-2,3-dimethoxy-
• 560-30-5
• C23H26 N2 O5
• 0
• .

• Salthion
• 127-81-1
• C₁₃H₂₅N₃O₈S₂
• 0
• .

• Scandium phosphide(ScP)
• 12202-43-6
• PSc
• 235-381-4
• 75.93
• .

• Spiro[21,25-methano-2H,19H,23H-pyrano[2,3-h][1,5]dioxacyclotetracosin-23,2'-[2H]pyran]-19-one,3,3',4,4',4a,5',6',7,8,9,10,11,12,13,14,15,16,21,22,25,26,26a-docosahydro-10,11,13,15,16,26a-hexahydroxy-6'-(2-hydroxybutyl)-3,5',10,14,16,27-hexamethyl-(9CI)
• 119313-46-1
• C40H68 O12
• 0
• .

• Spiro[2,5-cyclohexadiene-1,7'(1'H)-cyclopent[ij]isoquinolin]-4-one,2',3',8',8'a-tetrahydro-5'-hydroxy-6'-methoxy-1'-methyl-, (8'aS)-
• 10214-68-3
• C18H19 N O3
• .

• Spiro[dicyclopenta[a,d]cyclooctene-3(2H),2'(3'H)-furan]-6-carboxaldehyde,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-,[3S-[3a(3'R*,5'S*),3aa,6ab,7a,9a,9ab,10ab]]- (9CI)
• 24034-72-8
• C25H36 O4
• 0
• .

• Spiro[naphthalene-1(8aH),2'-oxirane]-8a-methanol,8-(acetyloxy)-5-[(2S,3aS,5S,6aR)-5-(acetyloxy)hexahydrofuro[2,3-b]furan-2-yl]octahydro-5,6-dimethyl-,8a-acetate, (1R,4aR,5S,6R,8S,8aR)-
• 107926-99-8
• C26H38 O9
• .

• Silane,(3-methylene-1-propene-1,3-diyl)bis[trimethyl-, (E)- (9CI)
• 22500-95-4
• C10H22 Si2
• 0
• .

• Strobane
• 8001-50-1
• C10H9Cl7
• 413.8104
• .

• Synthetase, solanesylpyrophosphate
• 64763-52-6
• .

• SH-H 340AB (9CI)
• 76631-43-1
• 0
• .

• Spirost-5-en-12-one,3-[(O-b-D-glucopyranosyl-(1®2)-O-b-D-glucopyranosyl-(1®4)-b-D-galactopyranosyl)oxy]-, (3b,25R)-
• 150175-11-4
• C45H70 O19
• .

• Sulfuric acid,titanium(4+) salt (1:?)
• 27960-69-6
• H2O4 S . x Ti
• 248-749-4
• 433.38
• .