• Syringostatin A (9CI)
• 125051-66-3
• C50H87 Cl N12 O18
• 0
• .

• Selenious acid, sodiumsalt (9CI)
• 15498-87-0
• H2O3 Se . x Na
• 172.9377
• .

• Sulfuric acid, ammoniumsilver(1+) salt (9CI)
• 102262-34-0
• Ag. H3 N . H2 O4 S
• 221.98
• .

• Silane,trichlorohexadecyl-
• 5894-60-0
• C16H33 Cl3 Si
• 227-575-2
• 359.93
• .

• Sorbitol, diether with methyloxirane
• 68412-01-1
• C₉H₁₉ClO₇
• 270-160-6
• 274.69596
• .

• Silanediol, diphenyl-,bis(2,4-dinitrobenzoate) (9CI)
• 129459-89-8
• C26H16 N4 O12 Si
• 604.5103
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-bis(acetyloxy)-6-nitro-
• 53299-21-1
• C24H15 N O9
• 0
• .

• Sulfuric acid,monooctadecyl ester, magnesium salt (2:1)
• 13006-05-8
• C18H38 O4 S . 1/2 Mg
• 235-847-7
• 3358.35776
• .

• Sulfamide,N,N-diethyl-N'-[(8a)-1-ethyl-6-methylergolin-8-yl]-
• 93822-42-5
• C21H32 N4 O2 S
• 0
• .

• Silanamine,1-chloro-N,N-dimethyl-1,1-diphenyl-
• 25374-11-2
• C14H16 Cl N Si
• 246-908-2
• 261.822
• .

• SODIUM A-GLYCEROPHOSPHATE
• 1300-25-0
• C₃H₇Na₂O₆P
• 0
• .

• Sulfuric acid, iron(3+)potassium salt (2:1:1) (8CI,9CI)
• 13718-65-5
• Fe. 2 H2 O4 S . K
• 237-281-6
• 287.0685
• .

• Sulfuric acid, iron(3+)sodium salt (2:1:1) (8CI,9CI)
• 13939-33-8
• Fe. 2 H2 O4 S . Na
• 237-715-4
• 270.95997
• .

• Synthetase, acylcoenzyme A
• 9013-18-7
• 232-747-5
• 0
• .

• Sulfilimine (8CI,9CI)
• 14616-59-2
• H3N S
• 0
• .

• Spiro[1,3-dithiolane-2,12'-[1H-2,10a]ethanophenanthrene](8CI,9CI)
• 1031-25-0
• C18H16 S2
• .

• Serine,alanyl-3-(7-oxo-4-oxa-1-azabicyclo[3.2.0]hept-3-yl)- (9CI)
• 108147-53-1
• C11H17 N3 O6
• .

• Sodium p-(dimethylamino)benzenediazonium sulphite
• 60413-01-6
• C₈H₁₀N₃NaO₃S
• 262-224-7
• 251.23807
• .

• Stannane,tributyl[(1-oxoisoundecyl)oxy]- (9CI)
• 93893-98-2
• C23H48 O2 Sn
• 299-691-1
• 475.33602
• .

• Silver, isotope of mass105
• 14928-14-4
• Ag
• 104.9065
• .

• Stigmastane-3,6,8,15,16-pentol,29-[(5-O-methyl-b-D-galactofuranosyl)oxy]-,6-(hydrogen sulfate), monosodium salt, (3b,5a,6a,15a,16b,24R)- (9CI)
• 161996-28-7
• C36H64 O14 S . Na
• .

• Silane,1,2-ethanediylbis[1-propynyl- (9CI)
• 28844-72-6
• C8H14 Si2
• .

• Silicic acid (H2SiO3),calcium salt (1:1), monohydrate (8CI,9CI)
• 14404-64-9
• Ca. H2 O3 Si . H2 O
• .

• Spiro[indeno[5',4':1,4]cyclobut[1,2-b]oxirene-3(1aH),2'-oxirane](9CI)
• 27672-79-3
• C12H8 O2
• .

• Selenonium,(2-methoxy-2-oxoethyl)dimethyl-
• 102856-52-0
• C5H11 O2 Se
• 0
• .

• Sulfurtransferase,thiosulfate
• 9026-04-4
• 0
• .

• Sulfonium,(carboxymethyl)dimethyl-, iodide, sodium salt (1:1:1)
• 93777-02-7
• C4H9 O2 S . I . Na
• 298-029-9
• 270.06436
• .

• Sinter Fil (9CI)
• 104673-57-6
• C₁₄H₂₁IN₂S
• 0
• .

• Spirostan-2,3-diol, (2a,3b,5a,25R)-
• 511-96-6
• C27H44 O4
• 432.64
• .

• Stannane,(2,3,4,5,6-pentafluorophenyl)triphenyl-
• 1058-08-8
• C24H15 F5 Sn
• 517.0779
• .

• Stannylene, diethyl-(9CI)
• 660-74-2
• C4H10 Sn
• 0
• .

• Sanfix 555
• 50862-68-5
• C₆H₁₇N₇
• 187.24608
• .

• Silicate(2-),hexafluoro-, dithallium(1+) (8CI,9CI)
• 27685-40-1
• F6Si . 2 Tl
• 346.46
• .

• Styrene, ethylhexyl acrylate, hydroxypropyl methacrylate, methacrylamide glycidyl methacrylate polymer
• 72796-97-5
• 0
• .

• S 422 (9CI)
• 64176-93-8
• C₁₂H₁₆F₃NO
• 0
• .

• Stannane, tetradodecyl-
• 5827-56-5
• C48H100 Sn
• 227-401-5
• 796.02
• .

• Spiro[cyclohexane-1,9'-[3,7]diazabicyclo[3.3.1]nonane],3'-[(3-chlorophenyl)sulfonyl]-7'-(2-methylpropyl)-
• 120466-19-5
• C22H33 Cl N2 O2 S
• 425.0276
• .

• Spiro[2-benzoxepin-9(3H),2'-oxirane]-4-carboxylicacid, 1,5a,6,7,8,9a-hexahydro-6-(1-methylethyl)-1-oxo-, (2'S,5aS,6R,9aS)-
• 57710-57-3
• C15H20 O5
• 0
• .

• Strontium silicide(SrSi2)
• 12138-28-2
• Si2Sr
• 235-248-0
• 143.79
• .

• Stannane,tributyl[(1-oxo-2,4-hexadienyl)oxy]-, (E,E)- (9CI)
• 79403-36-4
• C18H34 O2 Sn
• 279-149-0
• 401.17136
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylicacid, 3',6'-dihydroxy-4',5'-dimethyl-3-oxo-
• 100111-02-2
• C23H16 O7
• 0
• .

• Stannane,dibutylbis[(1-oxo-9,12,15-octadecatrienyl)oxy]-, (all-Z)- (9CI)
• 95873-60-2
• C44H76 O4 Sn
• 306-050-2
• 787.78184
• .

• Sulfonium,[(3S)-3-amino-3-carboxypropyl]dimethyl-, iodide (1:1)
• 3493-11-6
• C6H14 N O2 S . I
• 251-893-0
• 291.15
• .

• Spiro[furan-2(3H),7'-[6]oxabicyclo[3.2.1]oct[2]en]-4'-one,4,5-dihydro-1',5-dihydroxy-2',4,8',8'-tetramethyl-, (1'R,2R,4R,5S,5'S)-
• 160709-06-8
• C14H20 O5
• .

• Spiro[benzofuran-2(6H),1'(2'H)-naphthalene]-7-carboxaldehyde,3',4',4'a,5',6',7',8',8'a-octahydro-5-hydroxy-2',5',5',8'a-tetramethyl-6-oxo-,(1'R,2'R,4'aS,8'aS)-rel-
• 160632-45-1
• C22H28 O4
• 0
• .

• Sialokinin I (9CI)
• 152923-41-6
• C51H77 N13 O15 S
• 0
• .

• Sulfonium,(2-bromoethyl)dimethyl-, bromide (1:1)
• 28346-35-2
• C4H10 Br S . Br
• .

• Serine, O-amino-
• 1187-83-3
• C3H8 N2 O3
• 0
• .

• Siloxanes and Silicones, di-Me, (octadecyloxy)-terminated
• 68554-53-0
• 0
• .

• Senecio vulgaris, ext.
• 84650-58-8
• 283-517-6
• 0
• .