• Oxazolidine, 5-ethenyl-5-methyl-2-nonyl-4-(phenylmethyl)-, (2R,4R,5S)-
• 159153-98-7
• C₂₂H₃₅NO
• .

• Oxirane, 2,2-dimethyl-3-(2-phenylethyl)-
• 40463-08-9
• C₁₂H₁₆O
• .

• Octane,8-(2-bromoethoxy)-1,1,1,2,2,3,3,4,4,5,5,6,6,7,7-pentadecafluoro-
• 40468-21-1
• C₁₀H₆BrF₁₅O
• .

• Oxazolo[2,3-c][1,4]oxazin-3(2H)-one, tetrahydro-2-phenyl-
• 159339-68-1
• C₁₂H₁₃NO₃
• .

• O,O'-(methylphenylsilylene)butan-2-one dioxime
• 69373-66-6
• C₁₅H₂₄N₂O₂Si
• 273-979-7
• .

• octahydro-1,4:5,8-dimethanonaphthalen-2(1H)-one
• 40488-88-8
• C₁₂H₁₆O
• 176.2548
• .

• Oxirane, 2-ethyl-2-(4-methylphenyl)-
• 69392-26-3
• C₁₁H₁₄O
• .

• Oxacyclotetradec-12-ene-2,11-dione, 14-pentyl-, (12E)-
• 159504-60-6
• C₁₈H₃₀O₃
• .

• Oxiraneoctanoic acid, 3-hexyl-
• 69414-34-2
• C₁₆H₃₀O₃
• .

• Oxazole, 2,5-dihydro-4,5-dimethyl-2-(2-methylpropyl)-
• 159885-52-6
• C₉H₁₇NO
• .

• oligothymidylic acid D(pt)4 sodium
• 159964-43-9
• .

• oligothymidylic acid D(pt)6 sodium
• 159964-44-0
• .

• oligothymidylic acid D(pt)8 sodium
• 159964-45-1
• .

• oligothymidylic acid D(pt)10
• 159964-46-2
• .

• O-[{2-[(diaminomethylidene)amino]ethoxy}(hydroxy)phosphoryl]-N,N-dimethyl-L-serine
• 40524-74-1
• C₈H₁₉N₄O₆P
• 298.2334
• .

• Oxazole, 5-methoxy-2-phenyl-
• 40527-16-0
• C₁₀H₉NO₂
• .

• Oxazole, 2,2'-(1-ethylpropylidene)bis[4,5-dihydro-4-(phenylmethyl)-,(4S,4'S)-
• 160191-64-0
• C₂₅H₃₀N₂O₂
• .

• Oxazole, 2,2'-(1-ethylpropylidene)bis[4-(1,1-dimethylethyl)-4,5-dihydro-,(4S,4'S)-
• 160191-66-2
• C₁₉H₃₄N₂O₂
• .

• Octanamide, N,N,2-trimethyl-3-oxo-
• 405934-60-3
• C₁₁H₂₁NO₂
• .

• Oxepin, 4-methyl-
• 69616-50-8
• C₇H₈O
• .

• O-butan-2-yl O-methyl ethylphosphonothioate
• 40618-52-8
• C₇H₁₇O₂PS
• 196.2474
• .

• Oxiranemethanol, 3-phenyl-, (2R,3R)-rel-
• 40641-81-4
• C₉H₁₀O₂
• .

• Osmium, dichlorodioxobis(triphenylphosphine)-
• 66984-36-9
• C₃₆H₃₀Cl₂O₂OsP₂
• .

• Oxacycloheptadeca-2,4,6,8,10,12,14,16-octaene
• 37015-55-7
• C₁₆H₁₆O
• .

• Octanoic acid, 3-hydroxy-, methyl ester, (3S)-
• 66997-64-6
• C₉H₁₈O₃
• .

• Oxirane, [4-(chloromethyl)phenyl]-
• 147839-40-5
• C₉H₉ClO
• .

• Oxirane, [(2-cyclohexylphenoxy)methyl]-
• 67006-90-0
• C₁₅H₂₀O₂
• .

• O-hexyl bis(aziridin-1-yl)phosphinothioate
• 67037-65-4
• C₁₀H₂₁N₂OPS
• 248.3253
• .

• Oxazole, 4-[(4-methylphenyl)sulfonyl]-5-phenyl-
• 37118-19-7
• C₁₆H₁₃NO₃S
• .

• Oxazole, 5-methyl-4-[(4-methylphenyl)sulfonyl]-
• 37118-20-0
• C₁₁H₁₁NO₃S
• .

• Octanal, 8,8-dimethoxy-
• 148315-77-9
• C₁₀H₂₀O₃
• .

• Oxazolidine, 2,3,4-trimethyl-5-phenyl-, (2S,4S,5R)-
• 67061-80-7
• C₁₂H₁₇NO
• .

• Oxonium, (chlorocarbonyl)dimethyl-
• 148437-97-2
• C₃H₆ClO₂
• .

• Oxonium, dimethyl(trifluoroacetyl)-
• 148437-98-3
• C₄H₆F₃O₂
• .

• Oxiranemethanol, 3-(4-nitrophenyl)-, (2R,3R)-rel-
• 37141-34-7
• C₉H₉NO₄
• .

• Oxazole,2-[2-(diphenylphosphino)phenyl]-4,5-dihydro-4-(phenylmethyl)-, (4S)-
• 148461-13-6
• C₂₈H₂₄NOP
• .

• Octadecanoic acid, ester with 2,2',2''-nitrilotris[ethanol]
• 37189-41-6
• 253-388-0
• .

• Oxazole, 4-(chloromethyl)-5-methyl-2-(2-methylphenyl)-
• 671215-81-9
• C₁₂H₁₂ClNO
• .

• Oxazole, 4-(chloromethyl)-5-methyl-2-(3,4,5-trimethoxyphenyl)-
• 671216-07-2
• C₁₄H₁₆ClNO₄
• .

• Oxirane, (4-bromophenyl)-, (2S)-
• 148684-05-3
• C₈H₇BrO
• .

• O-(8-methyl-8-azabicyclo[3.2.1]oct-3-yl) phenylthiocarbamate
• 67139-54-2
• C₁₅H₂₀N₂OS
• 276.3971
• .

• O,O-dimethyl O-(3-methyl-4-nitrophenyl) thiophosphate - 1,2,3,4,5,6-hexachlorocyclohexane (1:1)
• 67147-96-0
• C₁₅H₁₈Cl₆NO₅PS
• 568.0639
• .

• Octanal, 3-acetyl-2-methyl-
• 67148-30-5
• C₁₁H₂₀O₂
• .

• oxo(1,3,7-trimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)acetaldehyde
• 67162-81-6
• C₁₀H₁₀N₄O₄
• 250.2108
• .

• Octenol, acetate
• 37366-04-4
• C₁₀H₁₈O₂
• .

• Octane, 1-(2-methoxyethoxy)-
• 37428-63-0
• C₁₁H₂₄O₂
• .

• octadecanoic acid - 4-[2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol (1:1)
• 149234-09-3
• C₃₁H₅₇NO₅
• 523.788
• .

• Oxazirine, boryl-
• 67249-76-7
• CH₂BNO
• .

• Oxazirine, methyl-
• 67249-77-8
• C₂H₃NO
• .

• Oxaziridinone
• 67249-86-9
• CHNO₂
• .