• Strontium chloride(90SrCl2) (8CI,9CI)
• 24359-35-1
• Cl2Sr
• 160.8137
• .

• Sterols, soya
• 129311-52-0
• .

• Sulfuric acid,bis(1-methylethyl) ester
• 2973-10-6
• C6H14 O4 S
• 221-011-9
• 182.26
• .

• Semicarbazide,4,4',4''-phosphinylidynetris[1-phenyl- (8CI)
• 16221-22-0
• C21H24 N9 O4 P
• 497.4469
• .

• Somatostatin (sheep),8-D-tryptophan-
• 58976-46-8
• C76H104 N18 O19 S2
• 1637.88
• .

• Spiro[3H-indole-3,1'(5'H)-indolizine]-7'-carboxylicacid, 6'-ethyl-1,2,2',3',6',7',8',8'a-octahydro-4-methoxy-a-(methoxymethylene)-2-oxo-,methyl ester, (aE,1'S,6'S,7'S,8'aS)-(9CI)
• 26191-75-3
• C23H30 N2 O5
• .

• Sterofundin H (9CI)
• 91594-36-4
• 0
• .

• Spiro[7H-benzo[c]xanthene-7,1'(3'H)-isobenzofuran]-ar'-carboxylicacid, 3,10-dihydroxy-3'-oxo-
• 151820-33-6
• C25H14 O7
• 0
• .

• Silane, germyl-(7CI,8CI,9CI)
• 13768-63-3
• GeH6 Si
• 0
• .

• Silane,triethoxy(2,4,4-trimethylpentyl)-
• 35435-21-3
• C₁₄H₃₂O₃Si
• 252-558-1
• 276.48758
• .

• Sucrose hexamyristate
• 94139-15-8
• C₉₆H₁₇₈O₁₇
• 303-031-0
• 1604.43032
• .

• Sardaine Z 2 (9CI)
• 140877-82-3
• C185H348 N100 O39
• 0
• .

• Sperm-activatingpeptide F (Glyptocidaris crenularis egg jelly coat reduced) (9CI)
• 117788-32-6
• C31H53 N9 O10 S2
• .

• Silver, isotope of mass107
• 14378-37-1
• Ag
• 0
• .

• Scandium, ion (Sc3+)
• 22537-29-7
• Sc
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3',6'-dihydroxy-, sodium salt (1:2)
• 18472-87-2
• C₂₀H₂Br₄Cl₄Na₂O₅
• 242-355-6
• 829.63442
• .

• Spiro[benzofuran-2(3H),1'-[3]cyclohexene]-2',3-dione,4'-amino-7-chloro-4,6-dimethoxy-6'-methyl-
• 1235-51-4
• C16H16 Cl N O5
• .

• Spiro[1H-7,9a-methanocyclohepta[c]pyran-4(3H),1'-cyclohexane]-2'-carboxaldehyde,3'-[(acetyloxy)methyl]hexahydro-5-hydroxy-3'-methyl-8-methylene-1,9-dioxo-,(1'R,2'R,3'R,4aS,5R,7S,9aS)-
• 79859-42-0
• C22H28 O7
• 0
• .

• Sulfonic acids, petroleum, sodium salts
• 68918-05-8
• 271-781-5
• .

• Stannanecarbonitrile(8CI,9CI)
• 28274-88-6
• CH3 N Sn
• .

• Spiro[chrysene-2(1H),3'(2'H)-furan]-2'(2H)-one,8-[[2-O-(6-deoxy-a-L-mannopyranosyl)-b-D-xylopyranosyl]oxy]-5'-[(1S,2R)-2-(b-D-glucopyranosyloxy)-1-methylpropyl]-3,4,4a,4b,5,6,6a,7,8,9,10,10a,10b,11-hexadecahydro-1,9-dihydroxy-4a,4b,7,7,10a-pentamethyl-,(2R,4aS,4bR,5'R,6aR,8R,9R,10aR,10bR)- (9CI)
• 143052-12-4
• C47H76 O19
• .

• Strontium chloride(85SrCl2) (8CI,9CI)
• 24359-46-4
• Cl2Sr
• 155.8189
• .

• Somatoliberin
• 9034-39-3
• 0
• .

• Sulfuric acid, coppersalt (8CI,9CI)
• 10124-44-4
• CuO₄S
• 0
• .

• Selenazolidine,2,2-dimethyl-
• 6474-13-1
• C5H11 N Se
• 164.1075
• .

• Stannane,tributyl[[(9Z)-1-oxo-9-octadecenyl]oxy]- (9CI)
• 3090-35-5
• C30H60 O2 Sn
• 221-433-3
• 571.59
• .

• Spiro[imidazolidine-4,6'-morphinan]-2,5-dione,4',5'-epoxy-3',14'-dihydroxy-17'-(2-propenyl)-, (5'a)- (9CI)
• 87872-71-7
• C21H23 N3 O5
• 0
• .

• Substance P,9-(N-methylglycine)-11-(S,S-dioxido-L-methioninamide)-
• 110880-55-2
• C64H100 N18 O15 S
• 1393.66
• .

• Spiro[2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-4,2'-oxirane]-3,8,17-trione,7-hydroxy-3',6,7,14-tetramethyl-, (1R,2'S,3'S,6R,7R)-
• 16958-29-5
• C19H27 N O7
• 0
• .

• Stannanecarboxylic acid(8CI,9CI)
• 25740-21-0
• CH4 O2 Sn
• .

• Secretin human
• 108153-74-8
• C₁₃₀H₂₂₀N₄₄O₄₀
• 241-105-3
• 3039.41
• .

• Silanethiol, difluoro-(8CI,9CI)
• 24628-34-0
• F2H2 S Si
• 100.1632
• .

• Serine, 2-methyl-
• 5424-29-3
• C₄H₉NO₃
• 226-565-5
• 119.12
• .

• Stigmasta-5,24(28)-dien-3-ol,(3b,24E)-
• 17605-67-3
• C₂₉H₄₈O
• 412.69
• .

• Stearic acid, ester with diglycerol (1.5:1), ethoxylated
• 72828-11-6
• C₁₈H₃₆O₂·x(C₂H₄O)mult(C₂H₄
• 500-254-7
• 0
• .

• Silane,(1-methylethyl)- (9CI)
• 18230-84-7
• C3H10 Si
• 0
• .

• Spiro[4H-3a,22-(epoxyethano)-10,12-methano-17H,18H-furo[2',3':10,11][1,6]dioxacyclohexadecino[3,4-d][1]benzopyran-11(12H),2'-oxirane]-8,20(5H,22aH)-dione,2,3,10,10a,13a,16-hexahydro-2,3-dihydroxy-10a,15-dimethyl-,(2R,2'S,3R,3aR,6Z,10R,10aS,12R,13aR,17aR,21E,21bR)- (9CI)
• 57100-32-0
• C29H36 O10
• 0
• .

• Selenodiphosphoroustetraamide (9CI)
• 112070-45-8
• H8N4 P2 Se
• .

• Solvent blue 48
• 61711-30-6
• 0
• .

• Spiro[1,3-dioxolo[4,5-g]isoquinoline-5(6H),7'-[7H]indeno[4,5-d][1,3]dioxole],6',7,8,8'-tetrahydro-6-methyl-6'-methylene-, (5S)-
• 119777-71-8
• C21H19 N O4
• 349.3799
• .

• Silane,butoxydiethoxymethyl-
• 93918-87-7
• C9H22 O3 Si
• 299-968-7
• 206.35468
• .

• Streptamine
• 488-52-8
• C6H14 N2 O4
• 0
• .

• Silanetriol, 1-methyl-,potassium salt (1:3)
• 65351-55-5
• CH6 O3 Si . 3 K
• 265-711-2
• 208.41312
• .

• Silane, chlorotrimethyl-, hydrolysis products with silica
• 71889-01-5
• C₃H₉ClO₂Si₂
• 0
• .

• Spiro[4H-3,1-benzothiazine-4,1'-cyclohexan]-2-amine,5,6,7,8-tetrahydro-, hydrochloride (1:?)
• 23242-29-7
• C13H20 N2 S . x Cl H
• 272.8372
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,6'-[ethyl(4-methylphenyl)amino]-2'-methyl-
• 42228-32-0
• C30H25 N O3
• 255-715-2
• 447.5244
• .

• Selfenon (9CI)
• 130175-14-3
• .

• Silane,tetraisocyanato-
• 3410-77-3
• C4N4 O4 Si
• 222-297-8
• 196.15
• .

• Spiro[benzo[b]thiophene-2(3H),1'-[2]cyclohexene]-3,4'-dione,7-chloro-2',4,6-trimethoxy-6'-methyl-, (1'S,6'R)-
• 29262-04-2
• C17H17 Cl O5 S
• .

• Syrups(sweetening agents), dehydrated hydrolyzed starch
• 68131-37-3
• 268-616-4
• 0
• .