• Spiro[2,6-dioxabicyclo[3.1.0]hexane-4,2'-[2H]inden]-3-one,7'-[(acetyloxy)methyl]-1',3',3'a,7'a-tetrahydro-3'a,5-dimethyl-,(1R,2'S,3'aR,5S,7'aR)- (9CI)
• 111233-41-1
• C17H20 O5
• .

• Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, 4',4'a,6'a,7',8',9'-hexahydro-8',8'-dimethyl-2'-oxo-, methyl ester,[1'R-(1'a,4'aa,6'ab,9'aR*)]- (9CI)
• 85441-63-0
• C16H20 O5
• 0
• .

• Spiro[4.4]nona-1,3,7-triene
• 24430-29-3
• C9H10
• 118.1757
• .

• Strontium nitride(Sr3N2)
• 12033-82-8
• N2Sr3
• 234-795-2
• 290.87
• .

• Spiro[5H-1,4-epoxy-2,7-methano-2H-3,1-benzoxazine-5,3'-[3H]indole]-6-carboxylicacid, 8-ethylidene-1',2',4,4a,6,7,8,8a-octahydro-2'-oxo-, methyl ester,(1S,2R,3'R,4R,4aS,6R,7R,8E,8aS)- (9CI)
• 63999-23-5
• C20H20 N2 O5
• 0
• .

• Stannane, trioctyl-
• 869-59-0
• C₂₄H₅₂Sn
• 413-320-4
• 459.38
• .

• Spiro[2H-indole-2,3'-[3H]naphth[2,1-b][1,4]oxazine],1,3-dihydro-1,3,3-trimethyl-
• 27333-47-7
• C22H20 N2 O
• 328.407
• .

• Suitamycin (8CI)
• 11043-89-3
• .

• Sulfonium,dodecyldimethyl-, iodide (1:1)
• 18412-81-2
• C14H31 S . I
• 358.37
• .

• Saposhnikovan C (9CI)
• 126040-89-9
• 0
• .

• Spiro[benz[f]azulene-5(2H),2'-oxirane]-2,4,6,8,9,10-hexol,3,3a,4,4a,6,7,8,8a,9,10-decahydro-3a-(1-hydroxy-1-methylethyl)-1,8a-dimethyl-,2,4,6,8,9,10-hexaacetate, (2S,2'R,3aS,4S,4aR,6S,8S,8aS,9R,10R)-
• 158243-08-4
• C32H44 O14
• .

• Spirost-5-en-12-one,3-hydroxy-, (3b,25S)-(9CI)
• 467-57-2
• C27H40 O4
• 0
• .

• Sulfonamides,C4-8-alkane, perfluoro, N-methyl-N-(2-oxiranylmethyl)
• 129813-71-4
• C7H8F7NO3S
• 0
• .

• Stomapin (9CI)
• 79102-54-8
• 0
• .

• Sulfur, isotope of mass37
• 15753-06-7
• S
• 38.987005
• .

• Spiro[1,3-dioxolo[4,5-g]isoquinoline-5(6H),7'-[7H]indeno[4,5-d][1,3]dioxol]-8'-ol,6',7,8,8'-tetrahydro-6-methyl-, (5R,8'S)-
• 24181-80-4
• C20H19 N O5
• 0
• .

• Spiro[benzo[2,3][1]benzoxepino[6,5,4-ghi]indolizine-12(11H),6'(6'aH)-[4,11]methanobenzofuro[3',2':2,3]cyclopenta[1,2-c]pyridin]-11-one,1,1',2,2',3',4',4'a,5'-octahydro-7-hydroxy-5,8,8'-trimethoxy-3'-methyl-,(4'S,4'aS,6'S,6'aS,11'bR)-
• 29477-90-5
• C36H34 N2 O7
• 606.6644
• .

• Spiro[naphth[2,3-b]oxirene-2(7H),2'-naphtho[1,8-de][1,3]dioxin]-7-one,1a,7a-dihydro-3,6-dihydroxy-, (1aR,7aS)-
• 159934-11-9
• C20H12 O6
• .

• SRI 64412 (9CI)
• 118817-52-0
• .

• Starch, hydrolyzed
• 68412-29-3
• (C6H10O5)n
• 232-679-6
• 0
• .

• Silicate(2-),hexachloro-, barium (1:1)
• 97158-14-0
• Ba. Cl6 Si
• 306-343-5
• 378.1305
• .

• Spiro[oxirane-2,8'-[8H-4,8a]propano[1H-2]benzopyran]-3'(4'H)-one,9'-(acetyloxy)-4'-[(2S)-2-(3-furanyl)-2-hydroxyethyl]tetrahydro-11'-methyl-,(2R,4'R,4'aS,8'aR,9'R,11'R)- (9CI)
• 119259-70-0
• C22H28 O7
• .

• SODIUM (2-SULFONATOETHYL)METHANETHIOSULFONATE
• 155450-07-0
• C₃H₈NaO₅S₃
• 243.2774
• .

• Smilaxaristolochiaefolia, tincture
• 129893-30-7
• .

• Silanetriamine(8CI,9CI)
• 14044-96-3
• H7N3 Si
• .

• Spiro[1,3-dioxolane-2,5'-[4,7]methano[5H]indene],octahydro-, (3'aa,4'a,7'a,7'aa)- (9CI)
• 15591-90-9
• C12H18 O2
• 239-659-6
• 0
• .

• Spiramycin, propanoate(ester) (9CI)
• 102583-62-0
• .

• Slimes and Sludges,nickel refining
• 121053-36-9
• 0
• .

• Stigmastanol, (5b)-
• 30899-98-0
• C29H52 O
• .

• Silane,dichlorodecylmethyl-
• 18051-88-2
• C₁₁H₂₄Cl₂Si
• 241-962-3
• 255.2998
• .

• Stannane,dioctylbis[(3,5,5-trimethyl-1-oxohexyl)oxy]- (9CI)
• 85702-87-0
• C34H68 O4 Sn
• 288-279-7
• 659.61132
• .

• Sarafotoxin a 1 (9CI)
• 159650-20-1
• C104H154 N28 O34 S5
• .

• Sulfuric acid, mono-C12-13-alkyl esters, compds. with ethanolamine
• 85338-41-6
• 286-717-1
• 0
• .

• Spiro[bicyclo[2.2.1]heptane-2,4'-imidazolidine]-2',5'-dione
• 22264-49-9
• C9H12 N2 O2
• .

• Spiro[isobenzofuran-4(1H),4'(3'H)-[1H-7,9a]methanocyclohepta[c]pyran]-1',9'(4'aH)-dione,7-(acetyloxy)decahydro-3-hydroxy-7a-methyl-8'-methylene-,(3S,3aS,4R,4'aS,7S,7'R,7aR,9'aS)- (9CI)
• 145459-31-0
• C22H28 O7
• .

• Stannane,dichlorobis[(4-chlorophenyl)methyl]-
• 19135-40-1
• C14H12 Cl4 Sn
• 0
• .

• Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-ar-sulfonicacid, 3',6'-dihydroxy-3-oxo-
• 155898-75-2
• C20H12 O8 S
• .

• Spiro[2-cyclohexene-1,7'(1'H)-cyclopent[ij]isoquinolin]-4-one,2',3',8',8'a-tetrahydro-5'-hydroxy-6'-methoxy-1'-methyl-, (1S,8'aS)-
• 10214-55-8
• C18H21 N O3
• 0
• .

• Spirostan-2,3,4-triol,(2b,3b,4b,5b,25S)- (9CI)
• 17221-45-3
• C27H44 O5
• .

• Spiro[4a,8a-epoxynaphthalene-1(4H),2'-naphtho[1,8-de][1,3]dioxin]-4,8(5H)-dione,3-chloro-6,7-dihydro-5-hydroxy-, (4aR,5S,8aR)-rel- (9CI)
• 159933-96-7
• C20H13 Cl O6
• .

• Sulfuric acid, ammoniumnickel(2+) salt (3:2:2) (8CI,9CI)
• 25749-08-0
• H3N . 3/2 H2 O4 S . Ni
• 427.69
• .

• Spiro[5.5]undec-1-en-3-one
• 30834-42-5
• C11H16 O
• 164.2441
• .

• Stannane,triphenyl(2-phenylethenyl)-
• 15799-66-3
• C26H22 Sn
• 453.1629
• .

• Stannane,[(3,5-dinitro[1,1'-biphenyl]-2-yl)oxy]triphenyl-
• 24628-22-6
• C30H22 N2 O5 Sn
• 610.224
• .

• Stigmasta-7,22,25-trien-3-ol,(3b,5a)-
• 14485-48-4
• C29H46 O
• 410.6749
• .

• Silver oxide (Ag4O4)
• 155645-89-9
• Ag2 O2
• 0
• .

• Stannane,bis(benzoylthio)dioctyl- (8CI,9CI)
• 15481-47-7
• C30H44 O2 S2 Sn
• 239-502-1
• 619.50916
• .

• Stigmastan-7-one,16,22:22,28-diepoxy-3,24,28-trihydroxy-, (3b,5a,16b,22S,28R)- (9CI)
• 149155-26-0
• C29H46 O6
• .

• Spiro[naphthalene-2(1H),4'-piperidine],octahydro-1'-[3-(10H-phenothiazin-10-yl)propyl]-, hydrochloride (1:1)
• 104269-03-6
• C29H38 N2 S . Cl H
• .

• Streptocin
• 1404-67-7
• 0
• .