• Octadecanoic acid,(hydroxymethyl)-, methyl ester
• 89163-35-9
• C20H40 O3
• 289-477-6
• 328.5298
• .

• Octanoic acid,2-bromo-4-cyano-6-iodophenyl ester
• 93777-16-3
• C15H17 Br I N O2
• 298-045-6
• 450.10945
• .

• Olean-12-en-28-oicacid, 3-hydroxy-23-oxo-, O-a-L-arabinofuranosyl-(1®3)-O-[O-b-D-xylopyranosyl-(1®4)-6-deoxy-a-L-mannopyranosyl-(1®2)]-4-O-acetyl-6-deoxy-b-D-galactopyranosyl ester, (3b,4a)- (9CI)
• 229486-42-4
• C54H84 O21
• .

• Oxazolidine,4,4-dimethyl-2-(trifluoromethyl)-
• 31185-57-6
• C6H10 F3 N O
• 169.1449
• .

• Oils, niaouli
• 8014-68-4
• 0
• .

• Octadecanoic acid,12-[(1-oxooctadecyl)oxy]-, 2-hexyldecyl ester
• 100258-45-5
• C52H102 O4
• 309-389-4
• 791.36388
• .

• Octastannane
• 169438-59-9
• H18Sn8
• .

• Olean-12-en-28-oicacid, 2,3,23-trihydroxy-, (2b,3b,4b)- (9CI)
• 106293-97-4
• C30H48 O5
• .

• OP 4 (surfactant)
• 11107-89-4
• ClV^-
• 86.3945
• .

• Octadecanoic acid,2-[(2-hydroxyethyl)octadecylamino]ethyl ester
• 52497-24-2
• C40H81 N O3
• 257-964-2
• 313.56152
• .

• Octane, 4-chloro-
• 999-07-5
• C8H17 Cl
• 213-657-5
• 148.67
• .

• Olean-12-en-28-oicacid, 3-(b-D-glucopyranosyloxy)-16,23-dihydroxy-,O-6-deoxy-a-L-mannopyranosyl-(1®3)-O-b-D-xylopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-b-D-xylopyranosyl ester, (3b,4a,16a)- (9CI)
• 74411-65-7
• C58H94 O26
• 277-862-1
• 1207.35
• .

• Oxireno[4,5]cyclopenta[1,2-c]pyran-5-carboxylicacid, 1a,1b,2,5a,6,6a-hexahydro-2,5a,6-trihydroxy-1a-methyl-, methyl ester,(1aR,1bS,2S,5aR,6R,6aS)- (9CI)
• 143086-39-9
• C11H14 O7
• .

• Octadecanoic acid,1,1'-[1-[(phosphonooxy)methyl]-1,2-ethanediyl] ester
• 17966-25-5
• C39H77 O8 P
• 241-890-2
• 704.997641
• .

• Oxacyclodotetraconta-4,22,26,30,40-pentaene-2-pentanoicacid, g,6,8,10,12,14,16,18,20,24,28,34,36-tridecahydroxy-21-(a-D-mannopyranosyloxy)-d,11,13,23,25,29,35,37,41-nonamethyl-42-oxo-,(gR,dR,2S,4E,6S,8S,10R,11S,12R,13S,14S,16S,18S,20R,21S,22E,24R,25S,26E,28S,29S,30E,34S,35S,36R,37S,40E)-(9CI)
• 152880-71-2
• C61H106 O23
• .

• Octadecanoic acid,isooctadecyl ester
• 60350-70-1
• C36H72 O2
• 262-192-4
• 536.95568
• .

• Octadecanamide,N-phenyl-
• 637-54-7
• C24H41 N O
• 211-290-5
• 359.59
• .

• Oxirane,2-ethyl-3-phenyl-, trans- (9CI)
• 69140-50-7
• C10H12 O
• 0
• .

• Oxireno[b]benzofuran,1a,6b-dihydro-1a-methyl-
• 148270-76-2
• C9H8 O2
• .

• Olean-12-ene-28,29-dioicacid, 3,23-dihydroxy-, 28-(O-6-deoxy-a-L-mannopyranosyl-(1®4)-O-b-D-glucopyranosyl-(1®6)-b-D-glucopyranosyl) ester, (3a,4a,20a)- (9CI)
• 151271-84-0
• C48H76 O20
• .

• Olean-12-en-23-oicacid, 3-hydroxy-, (3a,4b)-
• 471-66-9
• C₃₀H₄₈O₃
• 456.7
• .

• Oxirane, methyl-, polymer with oxirane, ether with 1,2,3-propanetriol (3:1), polymer with 1,1-methylenebis(isocyanatobenzene)
• 112898-48-3
• (C₁₅H₁₀N₂O₂·C₃H₈O₃·3(C<
• 0
• .

• Oxaziridine,2-cyclohexyl-3-(4-nitrophenyl)-
• 23898-58-0
• C13H16 N2 O3
• 248.2777
• .

• Octanal,7-(1-ethoxyethoxy)-3,7-dimethyl-
• 93858-99-2
• C14H28 O3
• 299-335-5
• 244.37032
• .

• Octanamide,N,N'-[1,6-hexanediylbis(thio-1,3,4-thiadiazole-5,2-diyl)]bis- (9CI)
• 87202-69-5
• C26H44 N6 O2 S4
• 0
• .

• Oxidase, oxalate
• 9031-79-2
• 232-873-0
• 0
• .

• Oxazole,2-methyl-4,5-diphenyl-
• 14224-99-8
• C16H13 N O
• 235.28
• .

• Olean-12-en-28-oicacid, 3-[(O-6-deoxy-a-L-mannopyranosyl-(1®3)-O-b-D-glucopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®4)-b-D-xylopyranosyl)oxy]-23-hydroxy-, b-D-glucopyranosyl ester, (3b,4a)- (9CI)
• 155313-59-0
• C59H96 O26
• .

• Oxirane,2-[(2,4,6-tribromophenoxy)methyl]-
• 5296-40-2
• C9H7 Br3 O2
• 226-140-4
• 386.86268
• .

• Olean-12-en-28-oicacid, 3-[(O-6-deoxy-a-L-mannopyranosyl-(1®3)-O-[O-b-D-xylopyranosyl-(1®4)-b-D-glucopyranosyl-(1®4)]-O-b-D-galactopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-a-L-arabinopyranosyl)oxy]-23-hydroxy-,(3b,4a)- (9CI)
• 159993-46-1
• C64H104 O30
• .

• Oxirane,2-(2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptyl)-
• 38565-52-5
• C9H5 F13 O
• 254-004-4
• 376.1146
• .

• Oxiranecarboxamide,3-[(4E,7E)-1-oxo-4,7-tridecadienyl]-, (2R,3S)- (9CI)
• 147000-15-5
• C16H25 N O3
• .

• Octadecanamide,N,N-dimethyl-
• 3886-90-6
• C20H41 N O
• 223-426-0
• 311.62
• .

• Oils, Atractylis ovata
• 72275-92-4
• 0
• .

• Oxirane,2-(2-pentyn-1-yl)-
• 56956-21-9
• C7H10 O
• 260-465-2
• 110.1537
• .

• Octadecanoic acid,4-methyl-2-oxo-2H-1-benzopyran-7-yl ester
• 79408-85-8
• C28H42 O4
• 442.63
• .

• Oxirane,2-ethyl-3-phenyl-, (2R,3S)-rel-
• 69140-51-8
• C10H12 O
• 0
• .

• Octacyclo[44.3.1.14,8.111,15.118,22.125,29.132,36.139,43]hexapentaconta-1(50),4,6,8(56),11,13,15(55),18,20,22(54),25,27,29(53),32,34,36(52),39,41,43(51),46,48-heneicosaene
• 24386-11-6
• C56H56
• .

• Octanoic acid,triethylplumbyl ester
• 15773-45-2
• C14H30 O2 Pb
• 438.5947
• .

• Oxacyclotetracosa-3,6,10,12,14,19,21-heptaen-2-one,8,16-dihydroxy-18-methoxy-3,6,9,11,13,17,19,23-octamethyl-24-[2-[(1S)-3-methyl-1-[[(methylamino)carbonyl]oxy]butyl]-4-thiazolyl]-,(3E,6E,8S,9S,10Z,12Z,14E,16R,17S,18S,19E,21E,23S,24S)-
• 149633-98-7
• C42H62 N2 O7 S
• .

• Olean-12-en-28-oicacid, 3-[(6-O-a-L-arabinopyranosyl-b-D-glucopyranosyl)oxy]-2,16,23-trihydroxy-,O-D-apio-b-D-furanosyl-(1®4)-O-b-D-xylopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-6-deoxy-4-O-[9,16-dihydroxy-1-oxo-2-(b-D-xylopyranosyloxy)hexadecyl]-b-D-galactopyranosyl ester, (2b,3b,4a,16a)- (9CI)
• 113900-78-0
• C84H140 O39
• .

• Oxygenase,protocatechuate 3,4-di-
• 9029-47-4
• 0
• .

• Oxayohimbanium,3,4,5,6,16,17-hexadehydro-16-(methoxycarbonyl)-19-methyl-, inner salt, (19a,20a)-
• 642-18-2
• C21H20 N2 O3
• 349.4025
• .

• Octadecanamide,N-[2-(sulfooxy)propyl]-, sodium salt (1:1)
• 26577-87-7
• C21H43 N O5 S . Na
• 443.6166
• .

• Octanoic acid,(2R,2aS,4S,5aR,6S,9R,9aR,9bR,10S,12E)-2a,3,4,5,5a,6,7,9,9a,9b-decahydro-4,6,9,13-tetramethyl-3-oxo-2,9-[2]penteno-2H-furo[2,3,4-ef][3]benzoxepin-10-ylester, rel-(-)- (9CI)
• 146471-84-3
• C28H44 O5
• .

• Oxacyclohexadec-13-ene-2,6-dione,4,8-dihydroxy-5,5,7,9-tetramethyl-16-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-,(4S,7R,8S,9S,13Z,16S)-
• 186692-73-9
• C26H39 N O5 S
• 0
• .

• Octadecadien-1-ol,dihydrogen phosphate(9CI)
• 64509-07-5
• C18 H39 O4 P
• 264-933-7
• 346.441861
• .

• Oxacyclooctadeca-3,5,13,15-tetraen-2-one,18-[(1S,2R,3S)-3-[(2R,4R,5S,6R)-4-[[4-O-(aminocarbonyl)-2,6-dideoxy-b-D-arabino-hexopyranosyl]oxy]tetrahydro-2-hydroxy-5-methyl-6-(1E)-1-propen-1-yl-2H-pyran-2-yl]-2-hydroxy-1-methylbutyl]-8,10-dihydroxy-3,17-dimethoxy-5,7,11,13-tetramethyl-,(3Z,5E,7R,8S,10R,11R,13E,15E,17S,18R)-
• 144450-35-1
• C44H71 N O14
• 0
• .

• Octanoic acid, 2-oxo-
• 328-51-8
• C8H14 O3
• 206-331-9
• 158.19
• .

• Octanoic acid,2,2-dimethyl-, strontium salt (2:1)
• 100842-28-2
• C10H20 O2 . 1/2 Sr
• 0
• .