• oxepan-2-one - 1,1'-methanediylbis(4-isocyanatobenzene) (1:1)
• 26761-25-1
• C₂₁H₂₀N₂O₄
• 364.3945
• .

• Osmium, tribromo[(4-methylphenyl)azo]bis(triphenylphosphine)-
• 52620-35-6
• C₄₃H₃₇Br₃N₂OsP₂
• .

• oxonium, [[2-[(4-methoxyphenyl)methylene]hydrazino](6-oxo-2,4-cyclohexadien-1-ylidene)methyl]-, nickel(2+) salt
• 5264-34-6
• C₃₀H₃₀N₄NiO₆
• 601.2736
• .

• Oxetane, dimethyl-
• 52641-98-2
• C₅H₁₀O
• .

• Oxirane,3-[5-[(2,3-dihydro-1H-inden-5-yl)oxy]-3-methylpentyl]-2,2-dimethyl-
• 52670-46-9
• C₁₉H₂₈O₂
• .

• o-tolyl thiocyanate
• 5285-88-1
• C8H7NS
• .

• Octacosanoic acid, 28-hydroxy-
• 52900-17-1
• C₂₈H₅₆O₃
• .

• Oxirane, [(2-ethoxyphenoxy)methyl]-
• 5296-35-5
• C₁₁H₁₄O₃
• .

• octyl(phenyl)phosphinic acid
• 5308-96-3
• C₁₄H₂₃O₂P
• 254.305
• .

• octahydro-1H-2,5-methanoindene
• 19026-94-9
• C₁₀H₁₆
• 136.234
• .

• Octane, 2-methoxy-, (2S)-
• 53142-02-2
• C₉H₂₀O
• .

• octadecanoic acid - 2-phenylguanidine (1:1)
• 5327-69-5
• C₂₅H₄₅N₃O₂
• 419.6437
• .

• octopyranose
• 5329-49-7
• C₈H₁₆O₈
• 240.2078
• .

• O-ethyl S-[2-(methylsulfanyl)ethyl] carbonodithioate
• 5344-19-4
• C₆H₁₂OS₃
• 196.3539
• .

• oxydiethane-2,1-diyl bis(diethylcarbamodithioate)
• 5347-21-7
• C₁₄H₂₈N₂OS₄
• 368.6449
• .

• O-(2,5-dichlorophenyl) O-methyl phenylphosphonothioate
• 53490-78-1
• C₁₃H₁₁Cl₂O₂PS
• 333.17
• .

• Oxazole, 2,2'-(1,4-cyclohexanediyl)bis[4,5-dihydro-, trans-
• 53720-66-4
• C₁₂H₁₈N₂O₂
• .

• Oxazole, 2,2'-(1,4-cyclohexanediyl)bis[4,5-dihydro-, cis-
• 53720-67-5
• C₁₂H₁₈N₂O₂
• .

• Oxirane, [[(4-methylphenyl)thio]methyl]-
• 5373-01-3
• C₁₀H₁₂OS
• .

• Oxacyclododec-9-en-2-one,12-[(1S,3E,5R,6R,8R)-6,8-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,3,5-trimethyl-3-nonenyl]-6-hydroxy-7,9-dimethyl-, (6S,7S,9E,12R)-
• 824424-89-7
• C₃₇H₇₂O₅Si₂
• .

• Oxirane, (3,5-dichlorophenyl)-
• 78982-97-5
• C₈H₆Cl₂O
• .

• Octadecanoic acid,25-phenyl-3,6,9,12,15,18,21,24-octaoxapentacos-1-yl ester
• 477775-74-9
• C₄₁H₇₄O₁₀
• .

• Octadecanoic acid,25-chloro-25-oxo-3,6,9,12,15,18,21,24-octaoxapentacos-1-yl ester
• 477775-75-0
• C₃₅H₆₇ClO₁₁
• .

• oxotechnetium; 3,4,5,6,7-pentahydroxy-2-oxido-heptanoate
• 78990-50-8
• C₁₄H₂₄O₁₇⁹⁹Tc
• 563.237
• .

• O-(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl) bis(aziridin-1-yl)phosphinothioate
• 51526-59-1
• C₁₃H₂₆N₃O₂PS
• 319.4032
• .

• Octadecanamide, N-[8-(dimethylamino)-3-methyl-2-phenazinyl]-
• 477781-50-3
• C₃₃H₅₀N₄O
• .

• Octanoic acid, 4-formyl-2-methoxyphenyl ester
• 765298-70-2
• C₁₆H₂₂O₄
• .

• Octanoic acid, 2-(4-pentenyl)-
• 824431-37-0
• C₁₃H₂₄O₂
• .

• Oxiranecarboxylic acid, 3-butyl-2-phenyl-, 1-methylethyl ester
• 399551-34-9
• C₁₆H₂₂O₃
• .

• Oxiranecarboxylic acid, 3-heptyl-2-methyl-, ethyl ester
• 399551-35-0
• C₁₃H₂₄O₃
• .

• Oxiranecarboxylic acid, 3-(4-methoxyphenyl)-2-methyl-, ethyl ester
• 399551-36-1
• C₁₃H₁₆O₄
• .

• Oxiranecarboxylic acid, 3-(2,6-dimethyl-5-heptenyl)-2-methyl-, ethylester
• 399551-39-4
• C₁₅H₂₆O₃
• .

• Octadecanoic acid, 12-hydroxy-, undecyl ester
• 824950-72-3
• C₂₉H₅₈O₃
• .

• Octanal, 6-iodo-3,7-dimethyl-, (3R)-
• 790686-38-3
• C₁₀H₁₉IO
• .

• Oxazole,4-(chloromethyl)-2-[2-(2,2-difluoro-1,3-benzodioxol-5-yl)ethenyl]-
• 767329-50-0
• C₁₃H₈ClF₂NO₃
• .

• Octanoic acid, 2,2-dichloroethenyl ester
• 79076-94-1
• C₁₀H₁₆Cl₂O₂
• .

• Octanoic acid, 7-oxo-2-propyl-, (2R)-
• 824961-07-1
• C₁₁H₂₀O₃
• .

• Octanoic acid, 7-hydroxy-2-propyl-, (2R,7R)-
• 824961-08-2
• C₁₁H₂₂O₃
• .

• Octanoic acid, 7-hydroxy-2-propyl-, (2R,7S)-
• 824961-09-3
• C₁₁H₂₂O₃
• .

• Octanoic acid, 8-hydroxy-2-propyl-, (2R)-
• 824961-10-6
• C₁₁H₂₂O₃
• .

• Octanedioic acid, 2-propyl-, (2R)-
• 824961-11-7
• C₁₁H₂₀O₄
• .

• Octanoic acid, 2-(2-hydroxypropyl)-, monosodium salt, (2S)-
• 824961-14-0
• C₁₁H₂₂O₃·Na
• .

• Octanoic acid, 7-oxo-2-propyl-, sodium salt, (2R)-
• 824961-15-1
• C₁₁H₂₀O₃·Na
• .

• Oxazole, 2-(1-methylethyl)-4,5-dipropoxy-
• 824969-42-8
• C₁₂H₂₁NO₃
• .

• Octadecanamide, N-[(3S)-tetrahydro-2-oxo-3-furanyl]-
• 479050-96-9
• C₂₂H₄₁NO₃
• .

• Octanoic acid,8-[4-[[[6-[[(4-chlorophenyl)sulfonyl]amino]-1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl]carbonyl]amino]phenoxy]-
• 479621-73-3
• C₃₀H₃₀ClN₃O₈S
• .

• Octanoic acid,8-[3-[[[7-[[(4-chlorophenyl)amino]carbonyl]-1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl]carbonyl]amino]phenoxy]-
• 479621-76-6
• C₃₁H₃₀ClN₃O₇
• .

• Octanoic acid,8-[4-[[[2,5-dihydro-4-hydroxy-1-(4-methoxyphenyl)-2-oxo-1H-pyrrol-3-yl]carbonyl]amino]phenoxy]-, methyl ester
• 479621-82-4
• C₂₇H₃₂N₂O₇
• .

• Octanoic acid,8-[4-[[[2,5-dihydro-4-hydroxy-2-oxo-1-[4-(trifluoromethyl)phenyl]-1H-pyrrol-3-yl]carbonyl]amino]phenoxy]-
• 479621-87-9
• C₂₆H₂₇F₃N₂O₆
• .

• Octanoic acid,8-[4-[[[2,5-dihydro-4-hydroxy-2-oxo-1-[4-(phenylmethyl)phenyl]-1H-pyrrol-3-yl]carbonyl]amino]phenoxy]-
• 479621-91-5
• C₃₂H₃₄N₂O₆
• .