• Olean-12-en-28-oicacid, 3-[[2-O-(6-deoxy-a-L-mannopyranosyl)-a-L-arabinopyranosyl]oxy]-16-hydroxy-, (3b,16a)- (9CI)
• 143840-78-2
• C41H66 O12
• .

• Octacosanoic acid, zincsalt (2:1)
• 121236-27-9
• C28H56 O2 . 1/2 Zn
• .

• Oxirane,2,2'-[[2-(2-oxiranylmethoxy)-1,3-phenylene]bis(methylene)]bis-
• 13561-08-5
• C15H18 O4
• 236-951-5
• 262.33
• .

• Oxacyclotetratetraconta-5,7,9,11,13,19,23,35-octaene-2,28-dione,44-[(1E,4R,5E,8R)-11-amino-4,8-dihydroxy-1,5-undecadien-1-yl]-23-(3-buten-1-yl)-26-[(6-deoxy-a-L-mannopyranosyl)oxy]-16,18,30,32,34,38,40,42-octahydroxy-15,17,27-trimethyl-,(5E,7E,9E,11E,13E,16S,17S,18R,19E,23E,32S,34S,35E,38R,40S,42R,44S)-
• 12710-02-0
• C67H107 N O18
• 0
• .

• Octadecanamide,N-(aminoiminomethyl)-
• 40538-17-8
• C19H39 N3 O
• 254-964-4
• 325.53246
• .

• Octadecanoic acid,12-oxo-
• 925-44-0
• C18H34 O3
• 0
• .

• Oxacyclodotetraconta-3,13,17,21,39-pentaen-2-one,8,10,16,20,24,26,28,30,32,34,36,38-dodecahydroxy-23-(a-D-mannopyranosyloxy)-3,7,9,15,19,21,31,33-octamethyl-42-[(1R)-1-[(2R)-tetrahydro-5-hydroxy-2-furanyl]ethyl]-,(3E,7S,8R,9S,10S,13E,15S,16S,17E,19S,20R,21E,23S,24R,26S,28S,30S,31S,32R,33S,34R,36S,38S,39E,42S)-
• 143629-44-1
• C61H106 O22
• 0
• .

• Olean-12-ene-28,29-dioicacid, 23-hydroxy-3-(b-D-xylopyranosyloxy)-, (3b,4a,20b)- (9CI)
• 139198-58-6
• C35H54 O10
• 0
• .

• Octanamide,N,N-bis(2-hydroxyethyl)-
• 3077-30-3
• C12H25 N O3
• 221-362-8
• 231.3318
• .

• Octadecane,1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16-tritriacontafluoro-18-iodo-
• 65150-94-9
• C18H4 F33 I
• 265-525-1
• 974.0761356
• .

• Octadecane, 4-methyl-
• 10544-95-3
• C19H40
• 268.5209
• .

• Oxirane,2-[[(1-methylethyl)thio]methyl]-
• 14360-00-0
• C6H12 O S
• 132.2239
• .

• Oxireno[3,4]benz[1,2-c]acridine-2,3-diol,1a,2,3,11c-tetrahydro-6-methyl-, (1aa,2b,3a,11ca)- (9CI)
• 101135-03-9
• C18H15 N O3
• 293.3166
• .

• Oxirane,2-(4-methoxyphenyl)-3-methyl-
• 51410-46-9
• C10H12 O2
• 164.2011
• .

• Oxirane, phenyl-, polymer with oxirane, mono(dihydrogen phosphate),decyl ether
• 308336-53-0
• 0
• .

• Olean-12-ene-3,22,23,29-tetrol,(3b,4b,20b,22b)- (9CI)
• 121994-07-8
• C30H50 O4
• .

• Oxytocin,1-(3-mercapto-L-valine)-2-L-leucine- (9CI)
• 68974-28-7
• C42H72 N12 O11 S2
• 0
• .

• Oxacycloheptadec-10-en-2-one
• 28645-51-4
• C₁₆H₂₈O₂
• 249-120-7
• 252.39
• .

• Olean-12-ene-3,21,23-triol,(3b,4b,21a)- (9CI)
• 122746-50-3
• C30H50 O3
• .

• Octalene
• 257-55-6
• C14H12
• 180.2451
• .

• Oxirane, methyl-, polymer with oxirane, monohexadecyl ether, phosphate
• 73361-29-2
• 0
• .

• oxalic acid; 4-(2-propylsulfanylethyl)pyridine
• 134480-49-2
• C₁₂H₁₇NO₄S
• 271.3327
• .

• Octadecanamide,N-octadecyl-
• 13276-08-9
• C36H73 N O
• 236-276-6
• 535.97092
• .

• Oxirane,2,2,3-trifluoro-3-(trifluoromethyl)-, homopolymer
• 25038-02-2
• C3 F6 O
• 132.06
• .

• Octadecanoic acid,4,6,7,8-tetrahydro-3,7-dimethyl-6,8-dioxo-3H-2-benzopyran-7-yl ester (9CI)
• 162559-04-8
• C29H46 O5
• .

• Octadecanoic acid,(4-hydroxyphenyl)-, dodecyl ester (9CI)
• 123991-00-4
• C36H64 O3
• .

• Oxycort
• 8017-33-2
• C₄₃H₅₅ClN₂O₁₄
• 0
• .

• Olean-12-en-28-oicacid, 3-[(O-b-D-glucopyranosyl-(1®3)-O-b-D-ribopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®2)-a-L-arabinopyranosyl)oxy]-, (3b)- (9CI)
• 152218-43-4
• C52H84 O20
• .

• Octanoic acid, lead(2+)salt (2:1)
• 7319-86-0
• C8H16 O2 . 1/2 Pb
• 230-784-1
• 495.6229
• .

• Oxaziridine,2-cyclohexyl-3-(2-nitrophenyl)-
• 23898-56-8
• C13H16 N2 O3
• 248.2777
• .

• Olean-12-en-28-oicacid, 3-[(O-b-D-galactopyranosyl-(1®4)-O-6-deoxy-a-L-mannopyranosyl-(1®4)-a-L-arabinopyranosyl)oxy]-16-hydroxy-, (3b,16a)- (9CI)
• 137551-42-9
• C47H76 O17
• 0
• .

• Osmium(2+),pentaamminechloro-, dichloride, (OC-6-22)- (9CI)
• 39176-94-8
• ClH15 N5 Os . 2 Cl
• 0
• .

• Osmate(2-),carbonylpentachloro-, dicesium, (OC-6-21)- (9CI)
• 30191-87-8
• CCl5 O Os . 2 Cs
• 250-089-7
• 693.35786
• .

• Oxytocin,2-(O-methyl-L-tyrosine)- (7CI,9CI)
• 2706-70-9
• C44H68 N12 O12 S2
• 220-297-2
• 342.17402
• .

• Oleanan-29-al,13,28-epoxy-3-hydroxy-16-oxo-, (3b,20b)- (9CI)
• 2749-25-9
• C30H46 O4
• 0
• .

• Olean-12-en-28-oicacid, 2,16,23-trihydroxy-3-[(3-O-b-D-xylopyranosyl-b-D-glucopyranosyl)oxy]-, O-5-O-acetyl-D-apio-b-D-furanosyl-(1®3)-O-[O-6-deoxy-a-L-mannopyranosyl-(1®3)-O-b-D-xylopyranosyl-(1®4)-6-deoxy-a-L-mannopyranosyl-(1®2)]-6-deoxy-4-O-[3-[3-(3-hydroxy-1-oxobutoxy)-1-oxobutoxy]-1-oxobutyl]-b-D-galactopyranosyl ester, (2b,3b,4a,16a)- (9CI)
• 156280-06-7
• C83H132 O42
• .

• Octadecanoic acid,ethenyl ester
• 111-63-7
• C20H38 O2
• 203-890-0
• 310.51
• .

• Olean-12-ene-3,21,22,28-tetrol,(3b,21b,22a)-
• 24399-62-0
• C30H50 O4
• 0
• .

• Octadecanoic acid,(6E,10Z)-5,8,9,12-tetrahydro-4-methoxy-7,11-dimethyl-1-benzocyclodecenyl ester
• 156980-40-4
• C35H56 O3
• .

• Olean-12-en-28-oicacid, 16,21-dihydroxy-3-[(O-b-D-xylopyranosyl-(1®2)-O-6-deoxy-b-D-galactopyranosyl-(1®6)-b-D-glucopyranosyl)oxy]-, g-lactone, (3b,16a,21b)-
• 148299-13-2
• C47H74 O17
• .

• Oxonium, trimethyl-(9CI)
• 43625-65-6
• C3H9 O
• 0
• .

• Octanoic acid,2-chlorophenyl ester
• 6976-56-3
• C14H19 Cl O2
• 0
• .

• Oleic acid, sulfated, sodium salt
• 68331-91-9
• C₁₈H₃₅NaO₆S
• 269-770-5
• 402.5217
• .

• Octanoic acid,chromium(2+) salt (2:1)
• 6427-90-3
• C8H16 O2 . 1/2 Cr
• 229-200-8
• 338.4031
• .

• Oils, mink
• 8023-74-3
• 232-423-3
• 0
• .

• Olean-12-en-28-oicacid, 3,21-dihydroxy-, (3b,21b)-
• 25763-71-7
• C30H48 O4
• 0
• .

• Oxidase, sarcosine
• 9029-22-5
• NULL
• 232-850-5
• 0
• .

• Oxidase, pyruvate
• 9001-96-1
• NULL
• 232-644-5
• 0
• .

• Oxazole,2-(3,4-dimethoxyphenyl)-4,5-dihydro-4,4-dimethyl-
• 57193-17-6
• C13H17 N O3
• 235.28
• .

• Ornade
• 50808-49-6
• C₅₂H₇₀Cl₂IN₅O₆
• 0
• .