• Octadecanamide,N-(2-hydroxyethyl)-
• 111-57-9
• C₂₀H₄₁NO₂
• 203-883-2
• 327.55
• .

• Oxirane, 2-(1-pyrenyl)-
• 92078-74-5
• C18H12 O
• 0
• .

• Oils, angelica
• 8015-66-5
• 0
• .

• Octadecanamide,N,N'-1,3-phenylenebis-
• 15430-36-1
• C42H76 N2 O2
• 641.065
• .

• Octadecanoic acid,carboxymethyl ester
• 5767-84-0
• C20H38 O4
• 227-292-4
• 342.51332
• .

• Octadecanamide,N-[3-(dimethylamino)propyl]-, hydrochloride (1:1)
• 83607-13-0
• C23H48 N2 O . Cl H
• 280-508-9
• 405.10096
• .

• Octanoic acid, calciumsalt (2:1)
• 6107-56-8
• C₁₆H₃₀CaO₄
• 228-067-3
• 344.5
• .

• Octadecanoic acid,(methylstannylidyne)tris(thio-2,1-ethanediyl) ester (9CI)
• 59118-76-2
• C61H120 O6 S3 Sn
• 261-607-6
• 1164.5069
• .

• Octanoic acid,1,1'-[2,2-bis[[(1-oxooctyl)oxy]methyl]-1,3-propanediyl] ester
• 3008-50-2
• C37H68 O8
• 221-123-8
• 640.93102
• .

• Oxirane, 2,3-diphenyl-
• 17619-97-5
• C14H12 O
• 196.24448
• .

• Oxazolidine,2-ethenyl-3-ethyl-
• 28467-85-8
• C7H13 N O
• 127.1842
• .

• Octanedioic acid,2-amino-, (2R)-
• 19641-63-5
• C₈H₁₅NO₄
• 189.21
• .

• Oxytocin, 4-L-glutamicacid-, hydrazide (9CI)
• 127716-65-8
• C43H67 N13 O12 S2
• 0
• .

• Oxirane,2-[([1,1'-biphenyl]-4-yloxy)methyl]-
• 4698-96-8
• C15H14 O2
• 225-174-7
• 226.29
• .

• Octanoic acid,8-[(2-hydroxybenzoyl)amino]-
• 183990-46-7
• C15H21 N O4
• 0
• .

• Octadecanoic acid,methyl ester
• 172226-14-1
• C19H38 O2
• 298.50382
• .

• Octadecanoic acid,trihydroxy- (7CI,8CI,9CI)
• 26248-23-7
• C18H36 O5
• 0
• .

• Oxirane,2-methyl-2-(trichloromethyl)-
• 16387-26-1
• C4H5 Cl3 O
• 175.4409
• .

• Olive leaf
• 84012-27-1
• 0
• .

• Oxoniumylidene
• 12259-29-9
• HO
• 18.0147
• .

• Oleanan-28-oic acid,3,19-dihydroxy-, g-lactone,(3b,18a,19b)-
• 24035-70-9
• C30H48 O3
• .

• Octadecanoic acid,9,10-dihydroxy-, sodium salt (1:1)
• 20731-55-9
• C18H36 O4 . Na
• 243-995-9
• 338.45787
• .

• Oxirane,2-[(nonyloxy)methyl]-
• 10580-65-1
• C12H24 O2
• 234-177-2
• 200.31776
• .

• Ovral
• 8056-51-7
• C₂₁H₂₈O₂.C₂₀H₂₄O₂
• 608.93
• .

• Orion (dental resin)(9CI)
• 105287-44-3
• 0
• .

• Olean-12-en-28-oicacid, 3-[(O-a-L-arabinopyranosyl-(1®2)-O-a-L-arabinopyranosyl-(1®2)-a-L-arabinopyranosyl)oxy]-16-hydroxy-, (3b,16a)- (9CI)
• 25314-45-8
• C45H72 O16
• 869.0436
• .

• Olean-12-en-3-ol,16,28-epoxy-, (3b,16b)- (9CI)
• 171439-44-4
• C30H48 O2
• .

• Oxirane,2-[[4-(1-methyl-1-phenylethyl)phenoxy]methyl]-
• 61578-04-9
• C18H20 O2
• 262-857-9
• 268.3502
• .

• Olean-12-en-29-oicacid, 3-(3-carboxy-1-oxopropoxy)-11-oxo-, sodium salt (1:2), (3b,20b)-
• 7421-40-1
• C34H50 O7 . 2 Na
• 231-044-0
• 614.80
• .

• Olean-12-en-28-oicacid,27,27'-[[(1S,2R)-1-(3,4-dihydroxyphenyl)-1,2-dihydro-6,7-dihydroxy-2,3-naphthalenediyl]bis(carbonyloxy)]bis[3-hydroxy-,(3b)-(3'b)- (9CI)
• 155661-13-5
• C78H106 O14
• .

• Oxacyclotetracosa-3,5,9,11,17,19-hexaene-2,16-dione,8,14-dihydroxy-24-methyl-, (3Z,5E,8S,9E,11Z,14S,17E,19E,24R)-
• 122540-31-2
• C24H32 O5
• .

• Olean-12-ene-3,22-diol,(3b,22b)-
• 6822-47-5
• C30H50 O2
• 0
• .

• Oxirane,2-[(2-propen-1-yloxy)methyl]-, homopolymer
• 25639-25-2
• C6 H10 O2
• 0
• .

• Oleanan-29-al,13,28-epoxy-3-[(O-b-D-glucopyranosyl-(1®2)-O-[O-b-D-xylopyranosyl-(1®2)-b-D-glucopyranosyl-(1®4)]-a-L-arabinopyranosyl)oxy]-16-hydroxy-, (3b,16a,20b)-
• 23643-61-0
• C52H84 O22
• 0
• .

• Oxacyclodotetraconta-4,22,26,30,40-pentaene-2-pentanoicacid, g,6,8,10,12,14,16,18,20,21,24,28,34,36-tetradecahydroxy-d,11,13,23,25,29,35,37,41-nonamethyl-42-oxo-,(dR,gR,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)-
• 152880-70-1
• C55H96 O18
• .

• Oxirane,methyl-,polymers,polymer with oxirane,ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)
• 52624-57-4
• C₁₇H₃₆O₇
• 352.46354
• .

• Octadecanoic acid,12-hydroxy-, aluminum salt (3:1)
• 13329-66-3
• C18H36 O3 . 1/3 Al
• 236-373-3
• 925.39
• .

• Octadecanal
• 638-66-4
• C18H36 O
• 211-346-9
• 268.47784
• .

• Oxirane,2,2'-(2,5,8,11-tetraoxadodecane-1,12-diyl)bis-
• 1954-28-5
• C12H22 O6
• 217-784-7
• 262.34
• .

• Octadecanamide,N,N'-1,6-hexanediylbis-
• 4112-25-8
• C42H84 N2 O2
• 223-897-2
• 649.12856
• .

• Oxireno[f]quinolinium,1a,7a-dihydro-5-methyl-
• 142044-37-9
• C10H10 N O
• 160.21
• .

• Octanoic acid,1-ethenyl-1,5-dimethyl-4-hexen-1-yl ester
• 10024-64-3
• C18H32 O2
• 233-026-8
• 280.45
• .

• Osmium, isotope of mass189
• 15761-06-5
• Os
• 0
• .

• o-(Methoxycarboxy)phenylammonium hydrogen sulphate
• 93918-40-2
• C8H11NO7S
• 299-920-5
• 265.24044
• .

• Octadecanamide,N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-
• 18503-71-4
• C29H47 N3 O2
• 0
• .

• Oxacyclooctadeca-3,5,13,15-tetraen-2-one,18-[(1S,2R,3S)-3-[(2R,4R,5S,6R)-4-[(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-5,7,9,11,13-pentamethyl-,(3Z,5E,7R,8R,9S,10S,11R,13E,15E,17S,18R)-
• 144450-34-0
• C44H72 O13
• 0
• .

• Oils, rutabaga
• 73049-70-4
• 0
• .

• Octadecanoic acid,3-hydroxy-2,2-bis(hydroxymethyl)propyl ester
• 78-23-9
• C23H46 O5
• 201-096-9
• 402.6083
• .

• Osmium,[5H-cyclopenta[a]phenanthrene-4,5-diolato(2-)-kO,kO']-
• 164-02-3
• C17H10 O2 Os
• .

• Olean-12-en-28-oicacid, 3-[(O-b-D-xylopyranosyl-(1®3)-O-b-D-xylopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®3)-O-b-D-xylopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-a-L-arabinopyranosyl)oxy]-, (3b)- (9CI)
• 141544-44-7
• C62H100 O27
• 0
• .