Alphabetical listing – O

Chemical Name


CAS no.
o-Aminoanisole90-04-0
o-Aminobenzoic acid118-92-3
o-Aminobenzoic acid methyl ester134-20-3
o-Cresol 
o-Cresolphthalein596-27-0
o-Cresolphthalein Complexone2411-89-4
Oil red O1320-06-5
Oil soluble blue N 
Oleic acid112-80-1
Olive oil8001-25-0
o-Phenylenediamine95-54-5
o-Phenylenediamine dihydrochloride615-28-1
o-Phthaladehyde643-79-8
o-Phthalic acid88-99-3
o-Phthalic anhydride85-44-9
Oracet blue B 
Orange 6G1936-15-8
Orange Ⅰ523-44-4
Orange Ⅳ 
Orange G1936-15-8
Orange II633-96-5
Orotic acid                                                                                         65-86-1
o-Tolidine119-93-7
o-Tolidine dihydrochloride612-82-8
o-Toluic acid118-90-1
o-Toluidine95-53-4
Oxalic acid6153-56-6
Oxalyl chloride79-37-8
Oxamide471-46-5
Oxazole288-42-6
o-Xylene95-47-6