| 141365-30-2 | Oxonium, octahydrate | H3O.8H2O |
| 141365-31-3 | Oxonium, nonahydrate | H3O.9H2O |
| 141365-37-9 | Oxonium, pentadecahydrate | H3O.15H2O |
| 141365-39-1 | Oxonium, silylene-, methylide | CH4OSi |
| 141381-53-5 | Octadecanoic acid, 17-hydroxy-, dodecyl ester, (S)- | C30H60O3 |
| 141446-68-6 | Octadecanoic acid, 7,10-dihydroxy- | C18H36O4 |
| 141446-69-7 | Octanoic acid, 8-azido-, methyl ester | C9H17N3O2 |
| 141446-70-0 | Octanoic acid, 8-(nonylamino)-, methyl ester | C18H37NO2 |
| 141874-35-3 | Oxiranemethanol, 2-(2-phenylethyl)-, (R)- | C11H14O2 |
| 141874-44-4 | Oxirane, 2-methyl-2-[(phenylmethoxy)methyl]-, (2R)- | C11H14O2 |
| 141943-25-1 | Oxazole, 4,5-dihydro-4,4-dimethyl-2-(4-pentenyl)- | C10H17NO |
| 142039-35-8 | Oxepin, 2-butyl-7-phenyl-4-propyl- | C19H24O |
| 142286-43-9 | Oxirane, 2-[(phenylthio)methyl]-3-propyl- | C12H16OS |
| 14250-67-0 | Oxirane, 3-(5-hexene-1,3-diynyl)-2-(methylsulfonyl)-2-(1,3-pentadiynyl)- | C14H10O3S |
| 142621-23-6 | Octanoic acid, palladium salt | C8H16O2.xPd |
| 142627-99-4 | Oxetane, 3,3'-[1,12-dodecanediylbis(oxymethylene)]bis[3-ethyl- | C24H46O4 |
| 142714-72-5 | Oxazolo[5,4-b]pyridin-2(1H)-one, 1-(2-bromoethyl)- | C8H7BrN2O2 |
| 142759-62-4 | Oxiranecarboxylic acid, 3-[[(phenylmethyl)amino]carbonyl]-, (2S,3S)- | C11H11NO4 |
| 142860-84-2 | Oxirane, [2-[(4-methoxyphenyl)methoxy]ethyl]- | C12H16O3 |
| 142862-15-5 | Oxazole, ethyldihydro- | C5H9NO |
| 142924-99-0 | Octanoic acid, (1R)-1-(hydroxymethyl)-2-(phenylmethoxy)ethyl ester | C18H28O4 |
| 14312-94-8 | Octanoic acid, 2-(nitrooxy)- | C8H15NO5 |
| 1436-35-7 | Oxirane, 2-butyl-2-ethyl- | C8H16O |
| 14366-59-7 | o-CuMenyl Isopropyl Ether | C12H18O |
| 1441-97-0 | o-(Methylthio)acetophenone | C9H10OS |
| 14424-10-3 | Oxetane, hydrate | C3H6O.xH2O |
| 14435-48-4 | Oxirane, [[2-(1-methylethoxy)ethoxy]methyl]- | C8H16O3 |
| 14448-69-2 | Octadecanoic acid, nickel salt | C18H36O2.xNi |
| 14492-02-5 | Oxazole, 2-(4-bromophenyl)-5-phenyl- | C15H10BrNO |
| 145032-21-9 | Oxirane, 2-[(phenylmethoxy)methyl]-3-propyl-, (2R,3S)-rel- | C13H18O2 |
| 145125-36-6 | Octadecanoic acid, 12-hydroxy-, 2,2-bis[[(12-hydroxy-1-oxooctadecyl)oxy]methyl]-1,3-propanediyl ester | C77H148O12 |
| 14536-11-9 | Octadecanoic acid, titanium salt | C18H36O2.xTi |
| 145827-12-9 | Octanoic acid, 1-[(phenylmethoxy)methyl]-1,2-ethanediyl ester | C26H42O5 |
| 146145-08-6 | Oxirane, 2-naphthalenyl-, (2S)- | C12H10O |
| 147146-40-5 | Oxazolidine, 2-(2-chlorophenyl)-3,4-dimethyl-5-phenyl-, (2S,4S,5R)- | C17H18ClNO |
| 1472-09-9 | Octylcyclopropane | C11H22 |
| 147255-60-5 | Oxiranemethanol, 3-pentyl-, (2R,3S)-rel- | C8H16O2 |
| 147438-64-0 | Oxazole, 4-[(1E)-3-(diphenylphosphinyl)-2-methyl-1-propenyl]-2-methyl- | C20H20NO2P |
| 14814-76-7 | Octanoic acid, pentadecafluoro-, 2-[(1-oxo-2-propenyl)oxy]ethyl ester | C13H7F15O4 |
| 14817-39-1 | Oxirane, [[2-(2-propynyloxy)phenoxy]methyl]- | C12H12O3 |
| 148315-77-9 | Octanal, 8,8-dimethoxy- | C10H20O3 |
| 148615-28-5 | Octanoic acid, (1R)-1-phenylethyl ester | C16H24O2 |
| 14878-21-8 | Osmium, dibromotetracarbonyl- | C4Br2O4Os |
| 14898-57-8 | Octanoic acid, pentadecafluoro-, 1-methyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester | C15H11F15O4 |
| 14925-94-1 | Oxiranemethanaminium, N,N,N-tris(2-hydroxyethyl)-, chloride | C9H20NO4.Cl |
| 149341-94-6 | Octadecadien-1-ol | C18H34O |
| 149539-11-7 | Octanamide, N-[(1R)-1-phenylethyl]- | C16H25NO |
| 149647-86-9 | Octanoic acid, 8-(hydroxyamino)-8-oxo- | C8H15NO4 |
| 14987-65-6 | Oxirane, 2,3-bis(4-methoxyphenyl)-, trans- | C16H16O3 |
| 15046-00-1 | Oxiranemethanamine, N-butyl- | C7H15NO |
| 150639-35-3 | Octanenitrile, 2-[(trimethylsilyl)oxy]-, (S)- | C11H23NOSi |
| 15074-91-6 | octadecahydrotriphenylene | C18H30 |
| 15115-82-9 | Oxiranecarbonitrile, 2,3-diphenyl-, cis- | C15H11NO |
| 151696-82-1 | Oxazolidine, 3-methyl-2,2-diphenyl- | C16H17NO |
| 152103-61-2 | Octadecanoic acid, hydroxy-, ethyl ester | C20H40O3 |
| 152619-40-4 | Oxazole, 2-(4-bromophenyl)-4,5-dihydro-4-(1-methylethyl)-, (4S)- | C12H14BrNO |
| 15313-65-2 | Octanoic acid, 3,6-dimethyl-7-oxo- | C10H18O3 |
| 153151-50-9 | Oxiranecarboxaldehyde, 3-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-, (2S,3R)- | C20H24O3Si |
| 15358-94-8 | Oxirane, (2,6-dimethyl-5-heptenyl)- | C11H20O |
| 1541-09-9 | Octane, 2-methoxy- | C9H20O |
| 154330-40-2 | Oxetane, 2,2,4,4-tetrafluoro- | C3H2F4O |
| 15435-88-8 | Octanamide, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-N-hydroxy- | C8H2F15NO2 |
| 155049-17-5 | Oxazole, 4,5-dihydro-4-(1-methylethyl)-2-phenyl-, (4S)- | C12H15NO |
| 155242-42-5 | Oxazole, 4,5-dihydro-2,4-diphenyl-, (4R)- | C15H13NO |
| 156294-55-2 | Oxetane, 3-[(2,2,3,3,4,4,4-heptafluorobutoxy)methyl]-3-methyl- | C9H11F7O2 |
| 156617-87-7 | Oxiranemethanol, 3-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-, (2R,3R)-rel- | C10H22O3Si |
| 156641-63-3 | Oxazole, 4,5-dihydro-4,4-dimethyl-2-(2'-methyl[1,1'-biphenyl]-2-yl)- | C18H19NO |
| 156849-68-2 | Octanamide, 3-hydroxy-N,N,2-trimethyl-, (2R,3S)-rel- | C11H23NO2 |
| 1568-96-3 | Oxazole, 4,5-dihydro-4,4-dimethyl-2-phenyl-, hydrochloride | C11H13NO.ClH |
| 157-24-4 | Oxazirine | CHNO |
| 157326-25-5 | Octadecanamide, N-(4-hydroxybutyl)- | C22H45NO2 |
| 157-41-5 | Oxaspiropentane | C4H6O |
| 157556-88-2 | Oxirane, triphenyl-, (3S)- | C20H16O |
| 15764-66-6 | Oxiranenonanol | C11H22O2 |
| 1578-61-6 | Octadecanoic acid, 2-fluoro- | C18H35FO2 |
| 15876-88-7 | Oxiranemethanaminium, N,N,N-triethyl-, chloride | C9H20NO.Cl |
| 159339-68-1 | Oxazolo[2,3-c][1,4]oxazin-3(2H)-one, tetrahydro-2-phenyl- | C12H13NO3 |
| 159504-60-6 | Oxacyclotetradec-12-ene-2,11-dione, 14-pentyl-, (12E)- | C18H30O3 |
| 16002-48-5 | Oxirane, hydrate | C2H4O.xH2O |
| 160496-16-2 | Oxacyclotetradecan-2-one, 13-methyl-, (13R)- | C14H26O2 |
| 1606-52-6 | Oxazole, 4,5-dihydro-4,4-dimethyl-2-(1-methylethenyl)- | C8H13NO |
| 161293-59-0 | Octadecanoic acid, 12-[[2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-2-oxoethyl]amino] - | C33H52N2O5 |
| 16172-03-5 | OXOLINIC ACID IMPURITY B | C15H15NO5 |
| 161977-39-5 | Oxazolidine, 2-benzoyl-2-methyl-3-[(4-methylphenyl)sulfonyl]-4-phenyl-, (2S,4R)- | C24H23NO4S |
| 162230-77-5 | Octadecanoic acid, 1-(hydroxymethyl)-2-[(1-oxotetradecyl)oxy]ethyl ester | C35H68O5 |
| 1622-76-0 | Oxazole, 5-methoxy-4-methyl- | C5H7NO2 |
| 162366-56-5 | Oxetane, 3,3'-[1,6-hexanediylbis(oxymethylene)]bis[3-ethyl- | C18H34O4 |
| 16250-70-7 | Oxazolidine, 2-methyl- | C4H9NO |
| 16250-71-8 | Oxazolidine, 2-ethyl- | C5H11NO |
| 16250-73-0 | Oxazolidine, 2,3-dimethyl- | C5H11NO |
| 16250-86-5 | Oxazolidine, 3-(2-methylpropyl)-2-phenyl- | C13H19NO |
| 162705-57-9 | Oxazole, 4-(chloromethyl)-5-methyl-2-(2-naphthalenyl)- | C15H12ClNO |
| 1630-73-5 | Oxazolidine, 3-ethyl- | C5H11NO |
| 1630-74-6 | Oxazolidine, 3-butyl- | C7H15NO |
| 16326-86-6 | OCTA-2,4,6-TRIENAL | C8H10O |
| 16368-91-5 | Oxiraneoctanoic acid, 3-octyl-, 1,2,3-propanetriyl ester | C57H104O9 |
| 16495-58-2 | Oxirane, [(2-ethoxyethoxy)methyl]- | C7H14O3 |
| 1649-73-6 | Octadecane, 1-fluoro- | C18H37F |
| 1668-82-2 | Oxazolidine, 3,4-dimethyl-5-phenyl- | C11H15NO |
| 167160-55-6 | octadecylheptamethyltrisiloxane,95% | C25H58O2Si3 |