• Synthase, polyketide
• 79956-01-7
• 0
• .

• Strontium carbonate
• 1633-05-2
• SrCO3
• 216-643-7
• 147.63
• .

• Starch,hydrogen phosphate, 2-hydroxypropyl ether
• 53124-00-8
• C₄₄H₇₉O₃₅P
• 0
• .

• Scandium boride (ScB2)
• 12007-34-0
• B2Sc
• 234-505-4
• 66.58
• .

• Streptamine,O-6-amino-6-deoxy-L-glycero-D-galacto-heptopyranosylidene-(1®2-3)-O-b-D-talopyranosyl-(1®5)-2-deoxy- (9CI)
• 31357-30-9
• C19H35 N3 O13
• 513.494
• .

• Spiro[furan-3(2H),6'(7'H)-[3,5a]methano[1H,3H,5aH]furo[3,4-c]benzofuran]-1',2,4'(3'aH)-trione,5-(3-furanyl)tetrahydro-3'a,7'-dimethyl-, (3R,3'S,3'aS,5R,5'aR,7'R,9'aS)- (9CI)
• 129349-96-8
• C20H20 O7
• .

• Stannane,tributyl[[(9Z,12Z)-1-oxo-9,12-octadecadienyl]oxy]- (9CI)
• 24124-25-2
• C30H58 O2 Sn
• 246-024-7
• 569.57
• .

• Silane,methyltris(2-phenylethoxy)- (9CI)
• 83918-65-4
• C25H30 O3 Si
• 281-300-0
• 406.5894
• .

• Spiro[naphthalene-1(8aH),2'-oxirane]-5,8a-dimethanol,2,8-bis(acetyloxy)-5-[2-(acetyloxy)-2-(3-furanyl)ethyl]octahydro-6-methyl-,diacetate (9CI)
• 145854-18-8
• C30H40 O12
• .

• Sulfuric acid,monooctadecyl ester
• 143-03-3
• C18H38 O4 S
• 205-580-0
• 350.55692
• .

• Silanediamine,N,N,N',N',1-pentamethyl-
• 22705-33-5
• C₅H₁₆N₂Si
• 245-163-0
• 132.28
• .

• Sodium cuprocyanide (DOT)
• 14264-31-4
• C₃CuN₃Na₂
• 238-155-3
• 187.58
• .

• Spiro[furan-3(2H),1'(7'H)-naphthalene]-2,7'-dione,5-(2,5-dihydro-2-hydroxy-5-oxo-3-furanyl)-2',3',4,4',4'a,5,8',8'a-octahydro-2',5'-dimethyl-
• 147741-98-8
• C19H22 O6
• 0
• .

• Sulfamic acid,N-[2-[2,4,6-tris(1-methylethyl)phenyl]acetyl]-, 2,6-bis(1-methylethyl)phenylester
• 166518-60-1
• C₂₉H₄₃NO₄S
• 501.72
• .

• Spiro[5.5]undeca-7,9-dien-3-ol,2-bromo-1,1,9-trimethyl-5-methylene-, (2R,3S,6R)-
• 113262-62-7
• C15H21 Br O
• .

• Sulfuric acid,mono(trimethylstannyl) ester
• 63869-87-4
• C3H10 O4 S Sn
• 260.88
• .

• Sulfonium,dimethyl-2-propyn-1-yl-, bromide (1:1)
• 23451-62-9
• C5H9 S . Br
• 245-666-5
• 181.09
• .

• Sulfuric acid,mono(4-nitrophenyl) ester, potassium salt (1:1)
• 6217-68-1
• C₆H₅NO₆S^.K
• 228-288-5
• 257.26
• .

• Spiro[2,5-cyclohexadiene-1,7'(1'H)-cyclopent[ij]isoquinolin]-4-one,2',3',8',8'a-tetrahydro-3,5',6'-trimethoxy-1'-methyl-, (1R,8'aS)- (9CI)
• 28277-76-1
• C20H23 N O4
• .

• Saminol A 1089
• 8015-25-6
• C₉H₁₆ClN₉
• 0
• .

• Sulacillin
• 94935-63-4
• C₂₅H₃₁N₃O₉S₂
• 0
• .

• Silane, chloro-
• 13465-78-6
• ClH₃Si
• 236-705-7
• 66.56
• .

• Substance P,N2-[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]-(9CI)
• 87468-58-4
• C73H112 N20 O15 S2
• 1573.93
• .

• Silicic acid, iron salt
• 12673-39-1
• Fe2O9Si3
• 235-766-7
• 339.9411
• .

• Silane, carbonylbis-(9CI)
• 28974-64-3
• CH6 O Si2
• .

• Sodium acetylide(Na(C2H))
• 99435-46-8
• C2H Na
• 48.01911
• .

• Spiro[5H-dibenzo[a,d]cycloheptene-5,3'-pyrrolidin]-5'-one,10,11-dihydro-
• 64036-49-3
• C18H17 N O
• 0
• .

• Sulfamic acid,N-[[4-(dimethylamino)phenyl]imino]-
• 150-70-9
• C8H11 N3 O3 S
• 0
• .

• Spiro[5.5]undec-8-en-3-ol,2-bromo-8-chloro-1,1,9-trimethyl-5-methylene-, (2R,3S,6R)-
• 55303-97-4
• C15H22 Br Cl O
• 0
• .

• Sodium percarbonate
• 90569-69-0
• C₂H₆Na₄O₁₂
• 314.02092
• .

• Sulfuric acid,monododecyl ester, potassium salt (1:1)
• 4706-78-9
• C12H26 O4 S . K
• 225-190-4
• 304.4878
• .

• Sulfuric acid, ammoniumiron(3+) salt (2:1:1)
• 64367-80-2
• Fe. H3 N . 2 H2 O4 S
• 266.00866
• .

• Silicon,[[3-(dimethylamino)propyl]dimethylsilanolato-kO]hydroxy[29H,31H-phthalocyaninato(2-)-kN29,kN30,kN31,kN32]-, (OC-6-23)- (9CI)
• 135719-28-7
• C39H35 N9 O2 Si2
• 0
• .

• Spirostan-12-one,3-[(O-b-D-glucopyranosyl-(1®2)-O-[b-D-xylopyranosyl-(1®3)]-O-b-D-glucopyranosyl-(1®4)-b-D-galactopyranosyl)oxy]-, (3b,5a,25S)-
• 133024-11-0
• C50H80 O23
• 0
• .

• Sugar,invert
• 8013-17-0
• C12H24O12
• 232-393-1
• 360.31
• .

• Sphalerite (ZnS) (9CI)
• 12169-28-7
• SZn
• 97.474
• .

• Silicic acid (H4SiO4),tetrakis(2,2,2-trifluoroethyl) ester
• 338-39-6
• C8H8 F12 O4 Si
• 0
• .

• Streptovaricin
• 1404-74-6
• C₃₉H₄₉NO₁₄
• 0
• .

• Spiro[benzofuran-2(3H),1'-[2]cyclohexene]-3,4'-dione,7-chloro-4,6-dimethoxy-2',6'-dimethyl-, (1'S,6'R)- (9CI)
• 127337-19-3
• C17H17 Cl O5
• 0
• .

• Silanol,1-cyclohexyl-1-phenyl-1-[3-(1-piperidinyl)propyl]-
• 98299-40-2
• C20H33 N O Si
• 0
• .

• Silane,diazidodimethyl-
• 4774-73-6
• C2H6 N6 Si
• 225-318-9
• 142.20
• .

• Stannane, tripropyl-
• 761-44-4
• C₉H₂₁Sn
• 0
• .

• Sulfuric acid,chromium(3+) potassium salt (2:1:1)
• 10141-00-1
• Cr. 2 H2 O4 S . K
• 233-401-6
• 283.2196
• .

• Sulfuric acid,nickel(2+) salt (1:1)
• 7786-81-4
• NiSO₄
• 232-104-9
• 154.77
• .

• Sulfamic acid,N-cyclohexyl-
• 100-88-9
• C6H13 N O3 S
• 202-898-1
• 179.23
• .

• Spiro[2-cyclohexene-1,2'(1'H)-cyclopenta[b][1]benzopyran]-5',7'-dicarboxaldehyde,3',3'a,9',9'a-tetrahydro-6',8'-dihydroxy-6,9'a-dimethyl-3-(1-methylethyl)-9'-(2-methylpropyl)-,(1R,3'aR,6R,9'S,9'aR)-
• 173401-70-2
• C28H38 O5
• .

• STRYCHNINE SULFATE (2:1)
• 60-41-3
• C₂₁H₂₂N₂O₂•1/2H₂O₄S
• 200-477-7
• 383.49
• .

• Sulfallantoin
• 12124-90-2
• C10H14N6O5S
• 330.32
• .

• Silane,dichlorodiethoxy-
• 4667-38-3
• C₄H₁₀Cl₂O₂Si
• 189.11
• .

• SA Copolymer
• 75734-81-5
• C₂₃H₁₈N₂Na₂O₁₂S₃
• 0
• .