• Octadecanoic acid, 12-hydroxy-, pentacontyl ester
• 170293-02-4
• C₆₈H₁₃₆O₃
• .

• Octane, 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-8-isothiocyanato-
• 133600-21-2
• C₉H₄F₁₃NS
• .

• Oxiranemethanol, 3-phenyl-a-2-propenyl-
• 17137-32-5
• C₁₂H₁₄O₂
• .

• Oxirane,2,2'-[(1-methylethylidene)bis([1,1'-biphenyl]-4',4-diyloxymethylene)]bis-
• 685561-36-8
• C₃₃H₃₂O₄
• .

• Oxazole, 2,5-dibutyl-4-methyl-
• 88300-08-7
• C₁₂H₂₁NO
• .

• Octanoic acid, 8-[[3-(octylamino)-3-oxo-1-propenyl]thio]-8-oxo-, methylester, (Z)-
• 137149-14-5
• C₂₀H₃₅NO₄S
• .

• Oxazolidine, 2-ethenyl-5-(ethoxymethyl)-3-(phenylmethyl)-
• 90040-50-9
• C₁₅H₂₁NO₂
• .

• Oxazolo[5,4-d]pyrimidine-5,7(4H,6H)-dione,4,6-dimethyl-2-(4-nitrophenyl)-
• 63873-78-9
• C₁₃H₁₀N₄O₅
• .

• Oxiraneoctanoic acid, 3-octyl-,1-[[(1-oxooctadecyl)oxy]methyl]-1,2-ethanediyl ester
• 201469-41-2
• C₅₇H₁₀₆O₈
• .

• Oxazolo[4,5-b]pyridine, 2-pentyl-
• 104711-75-3
• C₁₁H₁₄N₂O
• .

• Oxazolo[4,5-b]pyridine, 2-cyclobutyl-
• 104711-77-5
• C₁₀H₁₀N₂O
• .

• Oxazolo[4,5-b]pyridine, 2-cyclopentyl-
• 104711-78-6
• C₁₁H₁₂N₂O
• .

• Octanamide, N-[[(heptylamino)carbonyl]oxy]-
• 63877-02-1
• C₁₆H₃₂N₂O₃
• .

• Octanamide, N-[[(phenylamino)carbonyl]oxy]-
• 63877-04-3
• C₁₅H₂₂N₂O₃
• .

• Octanamide, N-[[(octylamino)carbonyl]oxy]-
• 63877-07-6
• C₁₇H₃₄N₂O₃
• .

• Oxazole,2-[2-[(dimethyl-2-propenylsilyl)methyl]-3-methoxyphenyl]-4,5-dihydro-4,4-dimethyl-
• 139177-22-3
• C₁₈H₂₇NO₂Si
• .

• Octanal, 3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-
• 139177-25-6
• C₁₄H₃₀O₂Si
• .

• Oxirane, [[4-(2-methoxyethyl)phenoxy]methyl]-, (S)-
• 105780-38-9
• C₁₂H₁₆O₃
• .

• Oxiranecarboxylic acid, 3-[2-(8-phenyloctyl)phenyl]-, trans-
• 141312-04-1
• C₂₃H₂₈O₃
• .

• Oxiranecarboxylic acid, 3-[2-(8-phenyloctyl)phenyl]-, lithium salt, trans-
• 141312-05-2
• C₂₃H₂₈O₃·Li
• .

• O-(2-cyanophenyl) O-ethyl phenylphosphonothioate
• 17313-31-4
• C₁₅H₁₄NO₂PS
• 303.3159
• .

• Oxazole,2-[2-(dimethyl-2-propenylsilyl)-3-methoxyphenyl]-4,5-dihydro-5,5-dimethyl-
• 139177-26-7
• C₁₇H₂₅NO₂Si
• .

• Octanamide,N-(2-bromo-5-nitrophenyl)-2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-
• 105780-90-3
• C₁₄H₄BrF₁₅N₂O₃
• .

• Octadecanoic acid,2,2-bis[[(hydroxyphosphinyl)oxy]methyl]-1,3-propanediyl ester
• 61660-49-9
• C₄₁H₈₂O₁₀P₂
• .

• Octanenitrile, 8-bromo-
• 54863-44-4
• C₈H₁₄BrN
• .

• O-propyl diethylphosphinothioate
• 54867-58-2
• C₇H₁₇OPS
• 180.248
• .

• Octadecanoic acid, 2-hexyldecyl ester
• 17618-45-0
• C₃₄H₆₈O₂
• .

• Oxonium, (hydroxymethyl)methylene-
• 137516-32-6
• C₂H₅O₂
• .

• Octanamide, 2-[(S)-[4-(2-butynyloxy)phenyl]sulfinyl]-N-hydroxy-, (2S)-
• 287391-50-8
• C₁₈H₂₅NO₄S
• .

• Oxazolo[5,4-d]pyrimidine, 7-chloro-2,5-diphenyl-
• 34906-03-1
• C₁₇H₁₀ClN₃O
• .

• O-(4-hydroxy-3-iodophenyl)-3-iodotyrosine
• 70-40-6
• C₁₅H₁₃I₂NO₄
• 525.077
• .

• oxo(4-phenoxyphenyl)acetaldehyde
• 70-97-3
• C₁₄H₁₀O₃
• 226.2274
• .

• O-(4-nitrophenyl) O,O-dipropan-2-yl phosphorothioate
• 74-59-9
• C₁₂H₁₈NO₅PS
• 319.3138
• .

• O-(2-chloroprop-2-en-1-yl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothioate
• 740-20-5
• C₁₁H₁₀ClF₃NO₄PS
• 375.6884
• .

• O,O-dimethyl S-[(4-oxo-1,2,3-benzotriazin-3(4H)-yl)methyl] phosphorodithioate
• 86-50-0
• C₁₀H₁₂N₃O₃PS₂
• 201-676-1
• 317.3243
• .

• oleic acid, compound with diethylamine (1:1)
• 17200-00-9
• C₂₂H₄₅NO₂
• 241-242-9
• 355.5982
• .

• octahydro[1,3,2]diazaborinino[1,2-a][1,3,2]diazaborinine
• 1730-15-0
• C₆H₁₄BN₃
• 139.0065
• .

• O,O-diethyl O-[3-(ethylsulfanyl)-4-nitrophenyl] phosphorothioate
• 1970-15-6
• C₁₂H₁₈NO₅PS₂
• 351.3788
• .

• Oxiraneoctanoic acid, 3-octyl-, lithium salt
• 2060-07-3
• C₁₈H₃₄O₃·Li
• .

• Octaphene
• 222-74-2
• C₃₄H₂₀
• .

• O,O-diethyl S-[(ethylsulfinyl)methyl] phosphorodithioate
• 2588-03-6
• C₇H₁₇O₃PS₃
• 276.3768
• .

• octacene
• 258-33-3
• C₃₄H₂₀
• 428.5226
• .

• Oxazolo[4,5-c]pyridine
• 273-56-3
• C₆H₄N₂O
• .

• Oxazolo[3,2-a]pyridinium
• 275-13-8
• C₇H₆NO
• .

• Oxatetrasilacyclopentane
• 289-20-3
• H₈OSi₄
• .

• Oxacyclotridecane
• 295-04-5
• C₁₂H₂₄O
• .

• O-(2,4-dichlorophenyl) O-methyl propan-2-ylphosphoramidothioate
• 299-85-4
• C₁₀H₁₄Cl₂NO₂PS
• 314.1684
• .

• Octanamide,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-N-(2-hydroxyethyl)-
• 307-94-8
• C₁₀H₆F₁₅NO₂
• .

• O-[(2-{[(1E)-amino(phosphonoamino)methylidene]amino}ethoxy)(hydroxy)phosphoryl]-L-serine
• 25540-15-2
• C₆H₁₆N₄O₉P₂
• 350.1602
• .

• Oxaziridine, 2-methyl-3-(4-nitrophenyl)-
• 3400-27-9
• C₈H₈N₂O₃
• .