• Oxetane,3-(chloromethyl)-3-ethyl-
• 2177-22-2
• C6H11 Cl O
• 0
• .

• Octadecene
• 27070-58-2
• C₁₈H₃₆
• 248-205-6
• 252.4784
• .

• Octadecanoic acid,hydroxy-, monoester with 1,2-propanediol (8CI,9CI)
• 33907-47-0
• C21H42 O4
• 251-734-5
• 358.55578
• .

• Oleanane, (18a)-
• 30759-92-3
• C30H52
• 412.73
• .

• Oxireno[c]phenanthro[1,2-d]pyran-3,8(3aH,4bH)-dione,5-(acetyloxy)-1-(3-furanyl)dodecahydro-4b,7,7,10a,12a-pentamethyl-,(1S,3aS,4aR,4bS,5R,6aR,10aR,10bR,12aS)-
• 2629-11-0
• C28H36 O7
• 484.5812
• .

• Olean-12-ene-28,29-dioicacid, 2,23-dihydroxy-3-(b-D-xylopyranosyloxy)-, 28-b-D-glucopyranosyl 29-methyl ester, (2b,3b,4a,20b)-
• 156031-83-3
• C42H66 O16
• .

• Octadecanoic acid,2-[2-(2-hydroxyethoxy)ethoxy]ethyl ester
• 10233-24-6
• C24H48 O5
• 233-562-2
• 416.63
• .

• Olean-12-en-28-oicacid, 3-hydroxy-, O-6-deoxy-a-L-mannopyranosyl-(1®4)-O-b-D-glucopyranosyl-(1®6)-b-D-glucopyranosyl ester, (3b)-
• 30688-36-9
• C48H78 O17
• 0
• .

• oxalic acid; 1-[3-[(5-phenyl-1H-pyrazol-3-yl)oxy]propyl]piperidine
• 86871-67-2
• C₁₉H₂₅N₃O₅
• 0
• .

• Octanoic acid,2-[1,2,3,4,6,11-hexahydro-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-4-[[2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-a-L-lyxo-hexopyranosyl]oxy]-2-naphthacenyl]-2-oxoethylester, (2S-cis)- (9CI)
• 64376-45-0
• C37H42 F3 N O13
• 0
• .

• Oxireno[9,10]cyclodeca[1,2-b]furan-9(1aH)-one,4,7-bis(acetyloxy)-8-[(acetyloxy)methyl]-2,3,4,5,6,7,10a,10b-octahydro-1a,5-dimethyl-,(1aR,4S,5R,7S,10aS,10bR)- (9CI)
• 27479-41-0
• C21H28 O9
• 0
• .

• Oxirane,2,2'-[thiobis(methylene)]bis- (9CI)
• 14974-71-1
• C6H10 O2 S
• 146.2074
• .

• Olean-12-en-28-oicacid, 3-[(O-a-L-arabinopyranosyl-(1®4)-O-[O-6-deoxy-a-L-mannopyranosyl-(1®2)-b-D-glucopyranosyl-(1®3)]-O-b-D-xylopyranosyl-(1®2)-O-[b-D-xylopyranosyl-(1®4)]-b-D-glucopyranosyl)oxy]-, 6-deoxy-a-L-mannopyranosyl ester, (3b)-
• 135754-97-1
• C69H112 O33
• 0
• .

• Oxirane,2-(1-phenanthrenyl)-
• 26698-45-3
• C16H12 O
• 220.2659
• .

• Octanediimidic acid,1,8-dimethyl ester
• 29878-26-0
• C10H20 N2 O2
• 0
• .

• Octanoic acid,3-hydroxy-3-methyl-
• 6966-34-3
• C9H18 O3
• 174.2374
• .

• Oxytocin,1-(3-mercapto-3-methylbutanoic acid)-2-(O-methyl-L-tyrosine)- (9CI)
• 70056-24-5
• C46H71 N11 O12 S2
• 1034.2524
• .

• Olean-12-en-28-oicacid, 3-[(O-b-D-glucopyranosyl-(1®3)-O-[b-D-xylopyranosyl-(1®2)]-a-L-arabinopyranosyl)oxy]-, b-D-glucopyranosyl ester, (3b)-
• 144118-18-3
• C52H84 O21
• 0
• .

• Oxirane,2-(2-phenylethyl)-
• 1126-76-7
• C10H12 O
• 148.2017
• .

• Oxazolidine
• 504-76-7
• C3H7 N O
• 0
• .

• Oxireno[b]benzofuran,1a,6b-dihydro-1a,6b-dimethyl-
• 131588-87-9
• C10H10 O2
• .

• Octadecanoic acid,2-sulfo-, 1-methyl ester, sodium salt (1:1)
• 4062-78-6
• C19H38 O5 S . Na
• 223-770-1
• 400.54885
• .

• Olean-12-ene-23,28-dioicacid, 3-hydroxy-, 28-(O-6-deoxy-a-L-mannopyranosyl-(1®4)-O-b-D-glucopyranosyl-(1®6)-b-D-glucopyranosyl) ester, (3a,4a)- (9CI)
• 160669-25-0
• C48H76 O19
• .

• Oxidase, iron
• 104404-69-5
• .

• Octadecanamide,N-[2-[[2-[[2-[(2-aminoethyl)amino]ethyl]amino]ethyl]amino]ethyl]-
• 4040-54-4
• C26H57 N5 O
• 223-729-8
• 455.76368
• .

• Oxirane, 2,3-diethyl-
• 4468-66-0
• C6H12 O
• 0
• .

• Oxetane,3,3-bis(chloromethyl)-
• 78-71-7
• C₅H₈Cl₂O
• 201-136-5
• 155.03
• .

• Oxazolidine, 3-nitroso-
• 39884-52-1
• C3H6 N2 O2
• 102.11
• .

• Octadecanoic acid,10-iodo-
• 104855-14-3
• C18H35 I O2
• 0
• .

• Oxazolo[5,4-b]pyridin-2(1H)-one,1-[4-(4-phenyl-1-piperazinyl)butyl]-
• 142735-31-7
• C20H24 N4 O2
• 352.4302
• .

• Octanamide,N-[2-(hydroxynitrosoamino)-3-methylbutyl]-, (-)-
• 17073-33-5
• C13H27 N3 O3
• 273.3718
• .

• Octadecanamide,N,N'-[(methylimino)di-3,1-propanediyl]bis-
• 13483-58-4
• C43H87 N3 O2
• 236-793-7
• 678.16978
• .

• Octacosanoic acid,2-(4-hydroxyphenyl)ethyl ester
• 123690-76-6
• C36H64 O3
• 544.8916
• .

• O,O-Di-tert-butyl-L-threonine acetate
• 5854-77-3
• C₁₂H₂₅NO₃^.C₂H₄O₂
• 227-464-9
• 0
• .

• Oxocane,2-pentyl-8-propyl-, (2R,8S)-rel-
• 104514-71-8
• C15H30 O
• .

• Octanal,2-(2,4-dinitrophenyl)hydrazone
• 1726-77-8
• C14H20 N4 O4
• 0
• .

• Olean-12-en-28-oicacid, 2,3,7,23-tetrahydroxy-, b-D-glucopyranosyl ester, (2a,3b,4a,7a)- (9CI)
• 141630-23-1
• C36H58 O11
• .

• Olean-12-en-28-oicacid, 3-[(3-O-b-D-glucopyranosyl-a-L-arabinopyranosyl)oxy]-, (3b)-
• 101021-00-5
• C41H66 O12
• .

• Oleanan-29-oic acid,3-hydroxy-, (3b,20a)- (9CI)
• 28401-13-0
• C30H50 O3
• .

• Oxirane,2-[(2,4-dichlorophenoxy)methyl]-
• 2212-07-9
• C₉H₈Cl₂O₂
• 0
• .

• Octynediol, dimethyl-(6CI,8CI,9CI)
• 1321-87-5
• C10 H22 O2
• 0
• .

• Oxireno[3,4]benzo[1,2-h]quinoline-2,3-diol,1a,2,3,9c-tetrahydro-, (1aR,2R,3S,9cS)-rel-
• 113163-22-7
• C13H11 N O3
• 229.2313
• .

• Oxaziridine,3,3-dimethyl-2-(1-methylethyl)-
• 2763-77-1
• C6H13 N O
• 115.1735
• .

• Oxirane,2,2'-(1,2-phenylene)bis-
• 2246-49-3
• C10H10 O2
• 218-837-7
• 162.1852
• .

• Octanoic acid,ruthenium(3+) salt (3:1)
• 68957-64-2
• C8H16 O2 . 1/3 Ru
• 273-357-5
• 530.6805
• .

• Octadecanamide,N-[2-[(2-cyanoethyl)[2-[(2-cyanoethyl)amino]ethyl]amino]ethyl]-
• 70682-67-6
• C28H53 N5 O
• 274-747-8
• 475.75332
• .

• Oxytocin,1-(3-mercapto-3-methylbutanoic acid)-8-L-ornithine- (9CI)
• 72915-18-5
• C44H68 N12 O12 S2
• 0
• .

• Octadecanoic acid, 9(or10)-hydroxy- (8CI,9CI)
• 25498-28-6
• C18H36 O3
• 0
• .

• Octapeptin, N-valylderiv. (9CI)
• 102647-50-7
• .

• Oxacyclohexadeca-3,11,13-triene-2,10-dione,15-[[(6-deoxy-2,3-di-O-methyl-b-D-allopyranosyl)oxy]methyl]-6-[[(4S,5R,6R,7S,9R)-6-hydroxy-4,9-dimethyl-2-oxo-1,3,8-trioxaspiro[4.5]dec-7-yl]oxy]-5,7,9,16-tetramethyl-,(3E,5S,6S,7S,9R,11E,13E,15R,16R)-
• 112008-27-2
• C37H56 O14
• 0
• .