• Octasiloxane,1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,15-octadecamethyl-
• 556-69-4
• C18H54 O7 Si8
• 209-138-8
• 607.30116
• .

• Oxirane,2-(4-methylphenyl)-
• 13107-39-6
• C9H10 O
• 134.19
• .

• Oxirane, (chloromethyl)-, polymer with methyloxirane and oxirane
• 25931-44-6
• C₈H₁₅ClO₃
• 0
• .

• Oxazolo[5,4-b]pyridin-2(1H)-one,1-[3-[4-(4-fluorophenyl)-1-piperazinyl]propyl]-
• 162254-18-4
• C19H21 F N4 O2
• 356.394
• .

• Oxirane,2,2,3,3-tetrachloro-
• 16650-10-5
• C2Cl4 O
• 181.82
• .

• Oxirane,2,2'-(1,3-phenylene)bis-
• 16832-59-0
• C10H10 O2
• 240-854-3
• 162.1852
• .

• Octadecanoic acid,iodo-, ethyl ester (9CI)
• 100018-96-0
• C20H39 I O2
• 309-101-7
• 438.42693
• .

• Octanoic acid,1,1',1''-(1,2,3-propanetriyl) ester
• 538-23-8
• C27H50 O6
• 208-686-5
• 470.77
• .

• Oxireno[c]phenanthro[1,2-d]pyran-3,5,8(3aH,4bH,7H)-trione,1-(3-furanyl)-1,6,6a,10a,10b,11,12,12a-octahydro-4b,7,7,10a,12a-pentamethyl-,(1S,3aS,4aR,4bR,6aR,10aS,10bR,12aS)-
• 13072-74-7
• C26H30 O6
• 438.5128
• .

• Octadecanamide,N-[2-ethoxy-3-(phosphonooxy)propyl]-
• 131933-66-9
• C23H48 N O6 P
• 465.6041
• .

• Oxirane,2-methyl-3-phenyl-, (2R,3R)-
• 14212-54-5
• C9H10 O
• 134.19
• .

• Oils, oat
• 106457-91-4
• .

• Octane, 3-ethyl-
• 5881-17-4
• C10H22
• 142.28
• .

• Octadecanoic acid,9-hydroxy-
• 3384-24-5
• C18H36 O3
• 0
• .

• Oxamide, dithio-,S,S'-dioxide (7CI)
• 92276-93-2
• C2H4 N2 O2 S2
• 0
• .

• Oils, parsley
• 8000-68-8
• 0
• .

• Oxireno[6,7]phenanthro[1,2-c]furan-1,5-dione,3,3b,4,6,6a,7a,8,8b,9,10-decahydro-6,8-dihydroxy-8b-methyl-6a-(1-methylethyl)-,(3bR,6S,6aR,7aS,8R,8bS)- (9CI)
• 149183-67-5
• C20H24 O6
• 0
• .

• Oxacyclooctadec-9-ene-2,6,12,16-tetrone,3,8,14-trihydroxy-17-[(S)-hydroxy[(2R,3R)-2-methyl-3-[(1S,2Z)-1-methyl-2-butenyl]oxiranyl]methyl]-4-methoxy-5,7,9,11,15-pentamethyl-,(3R,4S,5S,7R,8R,9E,11S,14S,15R,17R)-
• 92471-87-9
• C32H50 O11
• 0
• .

• Oleana-1,12-dien-28-oicacid, 15-hydroxy-3-oxo-, (15a)- (9CI)
• 149260-89-9
• C30H44 O4
• .

• Octanoic acid,2-acetyl-, ethyl ester
• 29214-60-6
• C12H22 O3
• 249-518-0
• 214.34
• .

• Oxirane,2-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heneicosafluoroundecyl)-
• 38565-54-7
• C13H5 F21 O
• 254-007-0
• 576.1447
• .

• Octadecanoicacid, 9-iodo-
• 104855-13-2
• C18H35 I O2
• 0
• .

• Oxireno[c]phenanthro[1,2-d]pyran-3(3aH)-one,5,8,10-tris(acetyloxy)-1-(3-furanyl)tetradecahydro-4b,7,7,10a,12a-pentamethyl-,(1S,3aS,4aR,4bS,5R,6aS,8R,10S,10aS,10bR,12aS)-
• 2524-38-1
• C32H42 O10
• 586.6699
• .

• Osmaron B (8CI,9CI)
• 8031-66-1
• 0
• .

• Oxepino[2,3-b][1,4]benzodioxin-5(2H)-one,decahydro-5a,8,10-trihydroxy-2-methyl-7,9-bis(methylamino)-, [2R-(2a,5ab,6ab,7b,8b,9b,10a,10aa,11ab)]- (9CI)
• 97187-32-1
• C15H26 N2 O7
• 0
• .

• Olean-12-ene-28,29-dioicacid, 3-(b-D-glucopyranosyloxy)-2,23-dihydroxy-,(2b,3b,4a,20b)- (9CI)
• 60820-96-4
• C36H56 O12
• 0
• .

• Octanoic acid,2-hydroxy-,4-formyl-3,3a,6,6a,7,8,9,10-octahydro-3,10-dihydroxy-7,7-dimethyl-1-oxo-1H-naphtho[1,8a-c]furan-9-ylester (9CI)
• 158761-00-3
• C23H34 O8
• 438.5113
• .

• Oxoplatinum
• 31246-66-9
• H₈Cl₂N₂O₂Pt
• 334.0657
• .

• Olean-12-ene-23,28-dioicacid, 3-[(4-deoxy-a-L-threo-hex-4-enopyranuronosyl)oxy]-2-hydroxy-, (2b,3b,4a)- (9CI)
• 108886-08-4
• C36H52 O11
• .

• Octanedioic acid,2,2,7,7-tetramethyl-
• 16386-99-5
• C12H22 O4
• 230.3007
• .

• Oxiranecarboxylic acid,3-[[[1-[[(5-hydroxypentyl)amino]carbonyl]-3-methylbutyl]amino]carbonyl]- (9CI)
• 160825-48-9
• C15H26 N2 O6
• 0
• .

• Opal (SiO2.xH2O) (9CI)
• 14639-88-4
• H₂O . x O₂Si
• 0
• .

• Olean-12-en-28-oicacid, 2,3,23-trihydroxy-, 6-O-b-D-glucopyranosyl-b-D-glucopyranosyl ester, (2a,3b,4a)- (9CI)
• 161239-01-6
• C42H68 O15
• .

• Olean-12-ene-23,28-dioicacid, 3-[(2-O-b-D-glucopyranosyl-b-D-glucopyranosyl)oxy]-2,27-dihydroxy-,28-(O-b-D-xylopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-3,4-di-O-acetyl-6-deoxy-b-D-galactopyranosyl) ester, (2b,3b,4a)-
• 167324-07-4
• C63H98 O31
• .

• Octadecanoic acid,12-hydroxy-, cadmium salt (2:1)
• 69121-20-6
• C18H36 O3 . 1/2 Cd
• 273-881-4
• 711.3484
• .

• Olean-12-en-28-oicacid, 3-hydroxy-23-(sulfooxy)-, 28-(6-O-b-D-glucopyranosyl-b-D-glucopyranosyl) ester, (3b,4a)- (9CI)
• 125343-12-6
• C42H68 O17 S
• 877.0441
• .

• Olean-12-en-28-oicacid, 3-(b-D-glucopyranosyloxy)-23-hydroxy-,a-L-arabinopyranosyl ester, (3b,4a)- (9CI)
• 29774-57-0
• C41H66 O13
• .

• Oils, mink, Et esters
• 91079-08-2
• 293-394-0
• 0
• .

• Oils, violet
• 8024-08-6
• 0
• .

• Oxytocin,8a-endo-glycine- (8CI,9CI)
• 21687-84-3
• C45H69 N13 O13 S2
• 0
• .

• Oxayohimban-16-carboxylicacid, 16,17-didehydro-10-methoxy-19-methyl-, methyl ester, (19a,20a)-
• 482-91-7
• C22H26 N2 O4
• 382.45
• .

• Oxide
• 16833-27-5
• O
• 16.0005
• .

• Octapeptin,N-(6-amino-1-oxohexyl) deriv. (9CI)
• 102647-49-4
• .

• Oxytocin,1-(3-mercaptopropanoic acid)-4-[N6-(azidobenzoyl)-L-lysine]-8-L-arginine- (9CI)
• 109798-23-4
• C51H73 N17 O12 S2
• 0
• .

• Oxirane,2-[[4-(1-methylethyl)phenoxy]methyl]-
• 2210-72-2
• C12H16 O2
• 218-643-2
• 192.25424
• .

• Olean-12-ene-28,29-dioicacid, 3-[(2-O-b-D-glucopyranosyl-b-D-xylopyranosyl)oxy]-23-hydroxy-,29-methyl ester, (3b,4a,20b)- (9CI)
• 111199-24-7
• C42H66 O15
• .

• Octanedioic acid,4,5-diamino-, dihydrochloride, (R*,S*)- (9CI)
• 72955-63-6
• C8H16 N2 O4 . 2 Cl H
• 0
• .

• Octadecanol
• 26762-44-7
• C₁₈H₃₈O
• 204-017-6
• 270.4937
• .

• Oxacyclotriacont-3-en-2-one,30-[2,10-bis(sulfooxy)undecyl]-16,18-bis(sulfooxy)- (9CI)
• 85756-56-5
• C40H76 O18 S4
• 0
• .

• Octadecenoic acid,10-hydroxy-
• 80110-77-6
• C18 H36 O3
• 0
• .