• Spiro[cyclopentane-1,3'-[7H]cyclopenta[1,2,4]trioxin],4'a,7'a-dihydro-6',7'a-diphenyl-, (4'aS,7'aS)-
• 124378-33-2
• C22H22 O3
• 0
• .

• Stannane,1,1'-(1,2-ethynediyl)bis[1,1,1-trimethyl-
• 2117-50-2
• C₈H₁₈Sn₂
• 218-324-8
• 351.64852
• .

• Solvent naphtha(petroleum), heavy aliph.
• 64742-96-7
• 265-200-4
• .

• Spiro[naphthalene-1(8aH),2'-oxirane]-8a-methanol,8-(acetyloxy)-5-[(2S,3aS,5S,6aR)-hexahydro-5-methoxyfuro[2,3-b]furan-2-yl]octahydro-5,6-dimethyl-,acetate, (1R,4aR,5S,6R,8S,8aR)-
• 124854-67-7
• C25H38 O8
• .

• Stannane,tributyl(2,4,5-trichlorophenoxy)-
• 73927-98-7
• C18H29 Cl3 O Sn
• 277-638-3
• 486.51
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3'-methyl-2'-(phenylamino)-6'-(1-pyrrolidinyl)-
• 55772-72-0
• C31H26 N2 O3
• 259-809-4
• 474.54974
• .

• Silane,trimethyl-2-propyn-1-yl-
• 13361-64-3
• C6H12 Si
• 236-427-6
• 112.24
• .

• Sulfuric acid,monophenyl ester, potassium salt (1:1)
• 1733-88-6
• C6H6 O4 S . K
• 217-071-0
• 212.2648
• .

• Spiro[benzo[h]quinazoline-5(3H),1'-cyclohexan]-4(6H)-one,3-methyl-2-(2-propen-1-ylthio)-
• 172984-37-1
• C21H24 N2 O S
• 352.4931
• .

• SEAS 34 (9CI)
• 113609-90-8
• .

• Sorbitan, mono(12-hydroxy-9-octadecenoate), (R-(Z))-
• 71872-98-5
• C24H44O7
• 276-107-3
• 444.60196
• .

• Stannate(1-),trifluoro-, ammonium (9CI)
• 15660-29-4
• F3Sn . H4 N
• 193.74
• .

• Silicic acid, aluminumcalcium salt, cerium-doped
• 102110-34-9
• Al2Ca2O15Si5
• 310-034-0
• 514.537576
• .

• Sulfonium,[2-[(diethoxyphosphinyl)thio]ethyl]ethyl[2-(ethylthio)ethyl]-, bromide (1:1)
• 64036-97-1
• C12H28 O3 P S3 . Br
• 427.4217
• .

• Spiro[2-cyclohexene-1,9'-[9H-1,3]dioxolo[4,5-h][2]benzazepine],5',6',7',8'-tetrahydro-, (1S)- (9CI)
• 26609-42-7
• C16H19 N O2
• .

• Spiro[1,4-ethano-2H-pyrazino[2,1-b]quinazoline-13,9'-[9H]imidazo[1,2-a]indole]-3,3',6(1H,2'H,4H)-trione,1',9'a-dihydro-1-methyl-, (1R,4R,9'R,9'aS)- (9CI)
• 157075-58-6
• C23H19 N5 O3
• 0
• .

• Superficid (9CI)
• 119336-01-5
• 0
• .

• Spiro[cyclopentane-1,2'-[1,3]diazatricyclo[3.3.1.13,7]decan]-6'-one,5',7'-dimethyl-
• 108790-79-0
• C14H22 N2 O
• 234.3373
• .

• Spiro[2H-cyclohepta[b]furan-3(3aH),6'-[5,8]methano[6H]benzo[4,5]cyclohepta[1,2-b]furan]-2,2'(3'H)-dione,3'a,4,4',5',7,7',8,8',8a,9',10',10'a-dodecahydro-3',5',7,9'-tetramethyl-6-(3-oxobutyl)-,(3S,3'S,3'aR,3aR,5'S,7S,8'S,8aR,9'R,10'aS)-
• 122585-85-7
• C30H40 O5
• .

• Samarium, isotope ofmass 141
• 14877-67-9
• Sm
• 141
• .

• Samarium, isotope ofmass 144
• 14981-82-9
• Sm
• 143.911995
• .

• Spiro[1H,15aH-furo[2',3':7,8]indolizino[8,1-cd]carbazole-2(2aH),6'(7'H)-[4H,5H,15aH,16H]furo[2',3':7,8]indolizino[8,1-cd]pyrido[1,2,3-lm]carbazole]-7-carboxylicacid, 2',3',4,5,6,8,13,13',14,14',17',17'a-dodecahydro-9'-methoxy-, methylester, (2S,2aS,3'aR,4'aR,5aR,12bR,12'bR,12'cS,15aR,15'aS,17'aS)- (9CI)
• 31222-09-0
• C43H48 N4 O5
• .

• Stannane,bis(1-methylethyl)-, 1-oxide
• 23668-76-0
• C6H14 O Sn
• 220.89
• .

• Stannane,difluorodimethyl-
• 3582-17-0
• C2H6 F2 Sn
• 231-141-8
• 186.77
• .

• Silacyclopentane,1,1-dichloro-
• 2406-33-9
• C₄H₈Cl₂Si
• 219-299-6
• 155.09
• .

• Spiro[9H-benzo[a]fluorene-9,2'(3'H)-furo[3,2-b]pyridin]-11(1H)-one,eicosahydro-3-hydroxy-3',6',10,11b-tetramethyl-,(2'S,3S,3'R,3'aS,4aS,6'S,6aS,6bS,7'aR,10R,10aS,11aS,11bS)-
• 24508-94-9
• C27H43 N O3
• 429.6352
• .

• Secretoneurin (mouse)(9CI)
• 149146-12-3
• C159H252 N40 O58
• 3651.94
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-, aluminum salt(3:2)
• 15876-58-1
• C20H4 Br4 Cl4 O5 . 2/3 Al
• 240-012-5
• 2404.927716
• .

• Spiro[7H-indeno[4,5-d]-1,3-dioxole-7,1'(2'H)-isoquinoline]-6,7',8-triol,3',4',6,8-tetrahydro-6'-methoxy-2'-methyl-, (1'R,6S,8R)- (9CI)
• 64191-01-1
• C20H21 N O6
• .

• Somatoliberin (humanpancreatic islet),N-methyl-27-L-norleucine-28-L-asparagine-29-(N-ethyl-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)
• 118202-57-6
• C154H255 N45 O42
• 0
• .

• Spiro[furan-3(2H),3'-[3H]naphtho[2,1-b]pyran]-5,8'(4H,4'aH)-dione,1'-(acetyloxy)-6'-(benzoyloxy)decahydro-4'a,6'a,7',10'b-tetramethyl-,(1'S,3S,4'aS,6'S,6'aR,7'S,10'aS,10'bS)-
• 121960-93-8
• C29H36 O8
• .

• Silane,dichloro(3-chloropropyl)propyl-
• 54979-21-4
• C6H13 Cl3 Si
• 259-421-5
• 219.61
• .

• Spiro[bicyclo[2.2.1]hept-2-ene-7,2'-[1,3]dioxolane]
• 1491-12-9
• C9H12 O2
• 0
• .

• Spiro[3H-benz[e]indene-3,9'-[9H-3,9a]methano[1]benzoxepin]-2',8(2H,3'H)-dione,4,4',5'-tris(acetyloxy)-6'-(benzoyloxy)-1,3a,4,4',5,5',5a,5'a,6',9,9a,9b-dodecahydro-7-methoxy-2,3',5a,5'a,6,8',9b-heptamethyl-,(2S,3S,3'S,3aS,4R,4'S,5'R,5aS,5'aS,6'S,9aS,9'aS,9bS)-
• 154719-46-7
• C44H54 O12
• .

• Sorbitan,monoisooctadecanoate, poly(oxy-1,2-ethanediyl) derivs.
• 66794-58-9
• .

• Spiro[cyclopropane-1,5'-[5H]inden]-3'(2'H)-one,1',3'a,4',7'a-tetrahydro-4',7'a-dihydroxy-2',4',6'-trimethyl-,(2'R,3'aS,4'S,7'aR)-
• 124818-28-6
• C14H20 O3
• 236.3068
• .

• Spiro[9H-fluorene-9,4'-imidazolidine]-2',5'-dione,2,7-difluoro-4-methoxy-
• 126048-33-7
• C16H10 F2 N2 O3
• 316.259
• .

• Sulfonic acids,petroleum, barium salts
• 61790-48-5
• 263-140-3
• 0
• .

• Senecionan-11,16-dione,3,8-didehydro-6,12-dihydroxy-, (6b)- (9CI)
• 111844-46-3
• C18H23 N O6
• 0
• .

• Spiro[2.5]octane-1,1,2,2-tetracarbonitrile
• 10432-36-7
• C12H10 N4
• 210.2346
• .

• Silanamine,1,1-dimethyl-1-(2,3,4,5,6-pentafluorophenyl)-
• 55804-98-3
• C8H8 F5 N Si
• 259-829-3
• 241.23
• .

• Spiro[4.5]decane-6-carboxaldehyde,8-hydroxy-10-methyl-2-(1-methylethenyl)-, (2R,5S,6S,8S,10R)-
• 35951-50-9
• C15H24 O2
• 0
• .

• Substance P,1-de-L-arginine-2-de-L-proline-3-[N2-[5-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-1-oxopentyl]-L-lysine]-,[3aS-(3aa,4b,6aa)]- (9CI)
• 87468-57-3
• C62H93 N15 O13 S2
• 0
• .

• Sulfonium,[2-[(dimethoxyphosphinyl)thio]ethyl]ethylmethyl-, iodide (1:1)
• 64037-00-9
• C7H18 O3 P S2 . I
• 372.2243
• .

• Silver, isotope of mass111
• 15760-04-0
• Ag
• 110.9053
• .

• Siloxanes andSilicones, di-Me, lauryl Me, Me 3-mercaptopropyl, Me 2-phenylpropyl
• 115606-52-5
• .

• Serine,N-[(phenylmethoxy)carbonyl]-, ethyl ester, 4-methylbenzenesulfonate (ester)(9CI)
• 120824-80-8
• C20H23 N O7 S
• 421.4641
• .

• Sulfamide,N,N-dimethyl-N'-(4-phenoxyphenyl)-
• 23419-78-5
• C14H16 N2 O3 S
• 292.3534
• .

• Silane, chlorotrihexyl-
• 3634-67-1
• C₁₈H₃₉ClSi
• 222-851-9
• 319.0408
• .

• Spiro[3.4]oct-5-ene
• 14783-50-7
• C8H12
• 108.1809
• .