• Spiro[cyclohexane-1,2'-[1,3]dioxolo[4,5-f]benzothiazolium],7'-ethyl-6'-[2-[(7'-ethylspiro[cyclohexane-1,2'-[1,3]dioxolo[4,5-f]benzothiazol]-6'(7'H)-ylidene)methyl]-1-buten-1-yl]-,iodide (1:1)
• 65104-20-3
• C35H41 N2 O4 S2 . I
• 744.7455
• .

• Silane,dibutoxyethoxymethyl-
• 93918-88-8
• C11H26 O3 Si
• 299-969-2
• 234.40784
• .

• Silanetriamine,N,N,N',N',N'',N''-hexamethyl-1-phenyl-
• 4840-75-9
• C12H23 N3 Si
• 225-427-1
• 237.42
• .

• Spiro[furan-3(2H),7'(8'H)-[1H]naphtho[1,8a-c]furan]-3',9'(6'aH,10'H)-dione,2-(acetyloxy)-5-(3-furanyl)-4,5-dihydro-8'-methyl-, (2R,3S,5S,6'aR,8'S,10'aS)-(9CI)
• 126724-98-9
• C22H22 O7
• 0
• .

• Stannane,bromotricyclohexyl-
• 3023-92-5
• C₁₈H₃₃BrSn
• 448.0686
• .

• Silane, [2-[3(or4)-ethenylphenyl]ethyl]trimethoxy- (9CI)
• 119181-19-0
• C13H20 O3 Si
• .

• Somatoliberin (humanpancreatic islet), 27-L-leucine-44a-glycine- (9CI)
• 105953-59-1
• C218H362 N72 O68
• 0
• .

• Stigmast-7-en-26-oicacid, 2,3,5,14,20,22,28-heptahydroxy-6-oxo-, g-lactone, (2b,3b,5b,22R,24S,25S,28R)-
• 22799-11-7
• C29H44 O9
• 536.6543
• .

• Spiro[9H-cyclopenta[a]cyclopropa[f]cycloundecene-9,2'-oxiran]-4(1H)-one,1a,4a,5,6,7,7a,8,10,11,11a-decahydro-4a,7,8-trihydroxy-1,1,3,6-tetramethyl-,(1aR,2E,2'R,4aR,6S,7S,7aR,8S,11aS)-
• 28649-60-7
• C20H30 O5
• 350.4492
• .

• Serine, alanyl- (9CI)
• 3062-19-9
• C6H12 N2 O4
• 221-306-2
• 176.17
• .

• Spiro[furan-3(2H),1'(7'H)-naphthalene]-2,7'-dione,5-(3-furanyl)-2',3',4,4',4'a,5,8',8'a-octahydro-2',5'-dimethyl-,(1'R,2'R,4'aR,5R,8'aS)-
• 72548-29-9
• C19H22 O4
• 0
• .

• Stannanediylium,dimethyl-
• 16408-14-3
• C2H6 Sn
• 0
• .

• Stibinin
• 289-75-8
• C5H5 Sb
• 186.8532
• .

• Somatoliberin (humanpancreatic islet),N-acetyl-41-de-L-arginine-42-de-L-alanine-43-de-L-arginine-44-de-L-leucinamide-(9CI)
• 91728-73-3
• C196H319 N61 O64 S
• 0
• .

• Sculponeatin B
• 85287-60-1
• C20H24O6
• 0
• .

• So 1100 (9CI)
• 147445-08-7
• .

• Spiro[6H-1,3-dioxolo[4,5-h][3]benzazepine-6,1'-[1H]isoindolium],5,7,8,9-tetrahydro-4',5'-dimethoxy-7,7-dimethyl-3'-oxo-
• 168434-26-2
• C22H25 N2 O5
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-, aluminum salt (3:2)
• 15876-57-0
• C20H10 Br2 O5 . 2/3 Al
• 240-010-4
• 1518.210636
• .

• Spiro[5,1b,4-(epoxyethanylylidene)-1bH-oxireno[4,5]cyclopent[1,2-b]oxepin-7(3H),2'(5'H)-furan]-5',9-dione,octahydro-4'-[(1R)-1-hydroxyethyl]-6-methoxy-3,3,6a-trimethyl-, (1aS,1bR,2'S,4S,4'S,5R,6S,6aS,7aR,10S)-(9CI)
• 142808-72-8
• C20H26 O8
• .

• Siloxanes andSilicones, 3-aminopropyl Me, di-Me, Me 3-[(1-oxooctadecyl)amino]propyl
• 115606-51-4
• .

• Spirostan-3,23-diol, (3b,5a,23S,25R)- (9CI)
• 28415-07-8
• C27H44 O4
• 0
• .

• Spiro[oxazolidine-4,3'-spirostan](9CI)
• 147465-96-1
• C29H47 N O3
• .

• Silicic acid (H4SiO4),manganese(2+) salt (1:2) (8CI,9CI)
• 13568-32-6
• H4O4 Si . 2 Mn
• 236-975-6
• 131.021749
• .

• Silane,trichloro(1,2-dichloroethyl)-
• 684-00-4
• C2H3 Cl5 Si
• 232.4
• .

• Somatoliberin (humanpancreatic islet),1-D-tyrosine-2-D-alanine-27-L-norleucine-29-L-argininamide-30-de-L-glutamine-31-de-L-glutamine-32-deglycine-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)
• 109138-70-7
• C150H248 N44 O42
• 0
• .

• Silane,dichloro(dichloromethyl)methyl-
• 1558-31-2
• C2H4 Cl4 Si
• 216-317-4
• 197.95
• .

• Silane,trimethyl[(1-methylethenyl)oxy]-
• 1833-53-0
• C₆H₁₄OSi
• 217-393-1
• 130.2603
• .

• Spiro[4.4]nona-1,3,6,8-tetraene
• 14867-83-5
• C9H8
• 116.1598
• .

• Selenonium,[2-(3,4-dimethoxyphenyl)ethyl]dimethyl-, iodide (1:1)
• 85709-86-0
• C12H19 O2 Se . I
• 0
• .

• Scandium, isotope ofmass 49
• 14391-97-0
• Sc
• 49
• .

• ST 689 (9CI)
• 150679-43-9
• 0
• .

• Sulfurous acid,dipentyl ester
• 2051-05-0
• C10H22 O3 S
• 222.34
• .

• Spiro[1,3-dioxolo[4,5-g]isoquinoline-5(6H),7'-[7H]indeno[4,5-d][1,3]dioxol]-6'(8'H)-one,7,8-dihydro-8'-hydroxy-6-methyl-, (5S,8'S)- (9CI)
• 31456-80-1
• C20H17 N O6
• .

• Sulfur, isotope of mass35
• 15117-53-0
• S
• 0
• .

• Spiro[5H-dibenzo[a,d]cycloheptene-5,2'-[1,3]dioxolane],4'-(bromomethyl)-10,11-dihydro-
• 34753-41-8
• C18H17 Br O2
• 252-188-0
• 345.23038
• .

• Slags, elec. furnacesmelting, iron silicate
• 102110-59-8
• 310-060-2
• .

• Somatostatin-25 (sheep)(9CI)
• 76461-17-1
• C127H191 N37 O34 S3
• 2876.3
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2',7'-dichloro-, sodium salt (1:1)
• 71463-52-0
• C20H10 Cl2 O3 . Na
• 275-490-4
• 393.19531
• .

• Silicon carbide (Si2C2)
• 12144-09-1
• C2Si2
• 80.1924
• .

• Spiro[piperidine-4,1'-[1H]pyrido[3,4-b]indole],2'-[2-[4-(3-chlorophenyl)-1-piperazinyl]ethyl]-2',3',4',9'-tetrahydro-1-(phenylmethyl)-
• 130908-36-0
• C34H40 Cl N5
• 554.1679
• .

• Serine, ethyl ester,hydrochloride (9CI)
• 3940-27-0
• C5H11 N O3 . Cl H
• 133.1457
• .

• Spiro[3H-3,8a-etheno-1H-2-benzopyran-5(6H),3'(2'H)-furan]-2'-one,5'-(3-furanyl)-4,4',4a,5',7,8-hexahydro-8-hydroxy-9-(hydroxymethyl)-6-methyl-,(3R,3'R,4aS,5'S,6R,8R,8aR)- (9CI)
• 103994-16-7
• C20H24 O6
• .

• SNPKh 1003 (9CI)
• 105270-03-9
• .

• Spiro[[1]benzopyrano[5,6-f]indazole-3(2H),5'(2'H)-pyrimidine]-2',4',6'(1'H,3'H)-trione,4a,5,6,8,11,11a-hexahydro-1',3',11a-trimethyl-8-phenyl-, (4aR,11aR)-rel- (9CI)
• 100462-52-0
• C26H26 N4 O4
• .

• Sorbitol,1-deoxy-1-(4,5-dichloro-2-nitroanilino)- (6CI)
• 108751-29-7
• C12H16 Cl2 N2 O7
• 371.1706
• .

• Spiro[9H-benzo[a]fluorene-9,2'(3'H)-furo[3,2-b]pyridin]-3(2H)-one,1,3'a,4',5,5',6,6',6a,6b,7,7',7'a,8,11,11a,11b-hexadecahydro-3',6',10,11b-tetramethyl-,(2'R,3'R,3'aS,6'S,6aS,6bS,7'aR,11aS,11bR)-
• 14410-98-1
• C27H39 N O2
• 411.69
• .

• Spiro[cycloocta[c]furan-5(3H),3'(2'H)-furan]-2',3,6(1H)-trione,9-(acetyloxy)-5'-(3-furanyl)-4,4',5',7,8,9-hexahydro-, (3'R,5'S,9S)- (9CI)
• 161276-22-8
• C19H18 O8
• .

• Solutions, copperhydrometallurgical
• 129618-36-6
• 0
• .

• Sulfamic acid,N-cyclohexyl-, barium salt (1:?)
• 64011-64-9
• C6H13 N O3 S . x Ba
• 493.7858
• .

• Sulfuric acid,beryllium potassium salt (2:1:2) (9CI)
• 53684-48-3
• Be. 2 H2 O4 S . 2 K
• 279.333982
• .