• Spiro[17H-dicyclopropa[6,7:15,16]cyclopenta[a]phenanthrene-17,2'(5'H)-furan]-3,5'(10H)-dione,3',4',6,7,8,9,11,12,13,14,15,16,20,21-tetradecahydro-10,13-dimethyl-,(2'S,6R,7R,8R,9S,10R,13S,14S,15S,16S)-
• 74220-07-8
• C24H28 O3
• 277-770-1
• 0
• .

• Sperm-activatingpeptide d (Tripneustes gratilla egg jelly coat) (9CI)
• 126166-51-6
• C36H54 N10 O13
• .

• Spiro[2H-1,6-methanoquinoline-4(4aH),2'-[2H]indole]-4a-carboxylicacid, 1',3,3',5,6,7,8,8a-octahydro-8-[(1R)-1-hydroxyethyl]-5'-methoxy-3'-oxo-,methyl ester, (1R,2'R,4aR,6S,8R,8aR)-
• 26892-68-2
• C22H28 N2 O5
• .

• Stibiconite (Sb2O4)(9CI)
• 12340-12-4
• O4Sb2
• .

• Sulfuric acid, chromiumsodium salt (8CI,9CI)
• 34415-65-1
• Cr. x H2 O4 S . x Na
• 252-004-9
• 267.11107
• .

• Sulfur yttrium oxide
• 11099-13-1
• H₄O₃S₂Y₂
• 234-327-7
• 499.8166
• .

• Spiro[3H-indole-3,6'(4'αH)-[1H]pyrano[3,4-f]indolizine]-4'-carboxylicacid, 1,2,5',5'α,7',8',10',10'α-octahydro-1'-methyl-2-oxo-, methyl ester,(1'S,3R,4'αS,5'αS,10'αR)-
• 509-80-8
• C₂₁H₂₄N₂O₄
• 208-106-0
• 368.4263
• .

• Spiro[3H-benz[f]indazole-3,9'-[9H]xanthene]-4,9-diol
• 28560-97-6
• C23H14 N2 O3
• 366.3689
• .

• Sulfamic acid,N-cyclopentyl-
• 6053-67-4
• C5H11 N O3 S
• 165.21074
• .

• Sulfamic acid,N,N-dimethyl-,4-[[6-[2-(4-aminophenyl)ethyl]-5,6-dihydro-4-hydroxy-6-(1-methylethyl)-2-oxo-2H-pyran-3-yl]thio]-5-(1,1-dimethylethyl)-2-methylphenylester, hydrochloride (1:1)
• 263843-05-6
• C29H40 N2 O6 S2 . Cl H
• 576.7677
• .

• Somatostatin, prepro-
• 75037-28-4
• 0
• .

• Silane, azidotriethyl-
• 5599-32-6
• C6H15 N3 Si
• 227-013-6
• 157.29
• .

• Stannanamine (9CI)
• 28830-78-6
• H5N Sn
• .

• Silane,dibutyldichloro-
• 3449-28-3
• C₈H₁₈Cl₂Si
• 213.22
• .

• Sodium fluoride
• 7783-37-1
• F₂HNa
• 215-608-3
• 61.9945
• .

• S,N-Diacetylcysteine monoethyl ester
• 19547-89-8
• C₉H₁₅NO₄S
• 233.29
• .

• Silyl
• 13765-44-1
• H3Si
• 0
• .

• SELENIUM CYSTINE
• 1464-43-3
• C₆H₁₂N₂O₄Se₂
• 334.12
• .

• Sodium carboxymethyl hydroxyethylcellulose
• 9004-30-2
• 0
• .

• Sulfanilamide,N4-D-glucopyranosyl-N1-2-pyridyl- (8CI)
• 6339-85-1
• C17H21 N3 O7 S
• 0
• .

• Sodium(1+),[21,22,23,24-tetrahydro-3,17,30-trimethyl-27-(phenylmethoxy-kO)-13H-1,19[1',3']-benzeno-8,12-nitrilo-5H,7H,15H-dibenzo[c,k][1,5,10,14]tetraoxacycloheneicosin-kN32,kO6,kO14,kO20,kO25]-, bromide (9CI)
• 131370-69-9
• C41H41 N Na O5 . Br
• .

• Stannane,dichlorodiisononyl- (9CI)
• 64011-39-8
• C18H38 Cl2 Sn
• 444.15
• .

• Sodium coco-hydrolyzed animal protein
• 68188-38-5
• 0
• .

• Silicate(2-),hexafluoro-, iron(3+) (3:2)
• 12062-26-9
• F6Si . 2/3 Fe
• 235-048-3
• 537.9178
• .

• Silylene, oxo-
• 13779-62-9
• OSi
• 0
• .

• Sulfone, benzyl1,2-diphenylvinyl (6CI,8CI)
• 23566-06-5
• C21H18 O2 S
• 334.4314
• .

• Sulfuric acidcopper(2+) salt (1:1), monohydrate (8CI,9CI)
• 10257-54-2
• CuSO₄.H₂O
• 177.62
• .

• Spiro[2,26-dioxabicyclo[23.3.1]nonacosa-4,18,20-triene-27,2'-[2H]pyran]-3,9,13-trione,22-ethyl-3',4',5',6'-tetrahydro-7,11,14,15-tetrahydroxy-6'-[(2R)-2-hydroxypropyl]-5',6,8,10,12,14,16,29-octamethyl-,(1S,2'R,4E,5'S,6S,6'S,7S,8S,10R,11R,12S,14R,15S,16R,18E,20E,22R,25S,29R)-
• 1404-59-7
• C44H72 O11
• 0
• .

• Silane, trichlorohexyl-
• 928-65-4
• C₆H₁₃Cl₃Si
• 213-178-1
• 219.63
• .

• Statherin (Macacaarctoides) (9CI)
• 125691-66-9
• C243H349 N63 O72 P2
• .

• Spiro[[1]benzopyrano[2,3-c]pyrazole-4(1H),1'(3'H)-isobenzofuran]-3'-one,7-(diethylamino)-3-methyl-1-phenyl-
• 27116-62-7
• C28H25 N3 O3
• 248-234-4
• 451.5164
• .

• Salmeterol xinafoate
• 94749-08-3
• C₂₅H₃₇NO₄^.C₁₁H₈O₃
• 603.745
• .

• Silane,1,1',1''-[(methylthio)methylidyne]tris[1,1,1-trimethyl-
• 31704-09-3
• C11H30 S Si3
• 278.6774
• .

• Silanol,1-ethenyl-1,1-dimethyl-, 1-acetate
• 3293-09-2
• C6H12 O2 Si
• 221-955-1
• 144.24378
• .

• Spirostan-3,12-dione,(5a,25S)- (9CI)
• 32101-23-8
• C27H40 O4
• .

• Silane,trichlorotriacontyl-
• 70851-48-8
• C₃₀H₆₁Cl₃Si
• 274-933-9
• 556.25
• .

• Stannane,1,2-ethanediylbis[hydroxyoxo- (9CI)
• 25990-86-7
• C2H6 O4 Sn2
• .

• Somatoliberin (humanpancreatic islet),1-L-histidine-10-(3-iodo-L-tyrosine)-27-L-norleucine-32-glycinamide-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)
• 97741-14-5
• C159H264 I N51 O46
• 0
• .

• Silane,diethoxy(1,4,5,6,7,7-hexachlorobicyclo[2.2.1]hept-5-en-2-yl)methyl-
• 18106-12-2
• C12H16 Cl6 O2 Si
• 242-003-1
• 433.05774
• .

• Spiro[naphthalene-1(2H),3'-pyrrolidine]-2',5'-dione,1'-[3-(diethylamino)propyl]-3,4-dihydro-, (+)-
• 28309-55-9
• C20H28 N2 O2
• 328.4485
• .

• Spiro[4a,8a-epoxynaphthalene-1(4H),2'-naphtho[1,8-de][1,3]dioxin]-4,5,8-trione,3-chloro-, (-)- (9CI)
• 159933-93-4
• C20H9 Cl O6
• .

• Stigmasta-7,9(11)-dien-21-oicacid, 24,28-epoxy-3-(b-D-glucopyranosyloxy)-, b-D-glucopyranosyl ester, (3b,5a,28R)- (9CI)
• 145706-90-7
• C41H64 O14
• .

• Spiro[5H-benzo[c]fluorene-5,2'-[1,3]dioxolan]-7(6H)-one
• 25742-99-8
• C19H14 O3
• .

• Scotophobin (rat) (9CI)
• 33579-45-2
• C62H97 N23 O26
• 0
• .

• Sucrose myristate
• 27216-47-3
• C₂₆H₄₈O₁₂
• 248-340-0
• 552.65212
• .

• Silanol,1-[(acetylsilyl)oxy]-
• 25990-78-7
• C2H8 O3 Si2
• .

• Silane,trichloro(chlorophenyl)- (6CI,7CI,8CI,9CI)
• 26571-79-9
• C6H4 Cl4 Si
• 247-817-0
• 245.99
• .

• Spiro[cyclopropane-1,2'-[2H]indol]-3'(1'H)-one,1'-acetyl-5'-methyl-
• 64054-05-3
• C13H13 N O2
• 215.2478
• .

• Spiro[1,3-benzodioxole-2,3'-pyrrolidine],1'-(1-methylethyl)-, hydrochloride (1:1)
• 113954-70-4
• C13H17 N O2 . Cl H
• 255.7405
• .

• Syringomycin G (9CI)
• 124888-23-9
• C55H89 Cl N14 O17
• 1253.8318
• .