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USP Octinoxate RS
Click to View Structure [octyl methoxycinnamate] .

USP Octisalate RS
Click to View Structure [octyl salicylate] .

USP Octocrylene RS
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USP Octoxynol 9 RS
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USP Octyldodecanol RS
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USP Ofloxacin RS
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USP Ofloxacin Related Compound A RS
Click to View Structure [9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid] .
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USP Oleic Acid RS.
Click to View Structure USP31

USP Oleoyl Polyoxylglycerides RS
.
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USP Oleyl Oleate RS.
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USP Omeprazole RS
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USP Omeprazole Magnesium RS.
1S (USP31)
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USP Omeprazole Related Compound A RS
[(omeprazole sulfone, 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfonyl]-1H-benzimidazole)] (C17H19N3O4S 361.42 CAS-88546-55-8). 1S (USP31)

USP Ondansetron Hydrochloride RS
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USP Ondansetron Related Compound A RS
Click to View Structure [3[(dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one] .

USP Ondansetron Related Compound B RS
Click to View Structure [6,6¢-methylene bis-[(1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)-methyl]-4H-carbazol-4-one] .

USP Ondansetron Related Compound C RS
Click to View Structure [1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one] .

USP Ondansetron Related Compound D RS
Click to View Structure [1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one] .

USP Ondansetron Resolution Mixture RS—
Click to View Structure Ondansetron hydrochloride having approximately 0.4% w/w of both ondansetron related compound A and 6,6¢-methylene bis-[(1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)-methyl]-4H-carbazol-4-one)].

USP Orphenadrine Citrate RS
.

USP Oxacillin Sodium RS
.

USP Oxandrolone RS
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USP Oxandrolone Related Compound A RS
Click to View Structure [(7,8-didehydro-oxandrolone) or (17-hydroxy-17-methyl-2-oxa-5-androst-7-en-3-one)].

USP Oxandrolone Related Compound B RS
Click to View Structure [(anhydro-oxandrolone) or (17-17-dimethyl-2-oxa-18-nor-5-androstan-3-one)].

USP Oxandrolone Related Compound C RS
Click to View Structure [anhydro-oxandrolone (17,17-dimethyl-2-oxa-18-nor-5-androstan-3-one)] .

USP Oxaprozin RS
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USP Oxazepam RS
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USP Oxfendazole RS
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USP Oxprenolol Hydrochloride RS
.

USP Oxtriphylline RS
.

USP Oxybenzone RS
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USP Oxybutynin Chloride RS
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USP Oxybutynin Related Compound A RS [phenylcyclohexylglycolic acid]
Click to View Structure (C14H18O3 234.30) .

USP Oxybutynin Related Compound B RS
Click to View Structure [methyl ester of phenylcyclohexylglycolic acid, or CHMME (cyclohexyl mandelic acid methyl ester)] .

USP Oxybutynin Related Compound C RS
Click to View Structure [methylethyl analog of oxybutynin chloride, or (4-(ethylmethylamino) but-2-ynyl (±) 2-cyclohexyl-2-hydroxy-2-phenylacetate hydrochloride)] .

USP Oxycodone RS
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USP Oxygen–Helium RS.

USP Oxymetazoline Hydrochloride RS
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USP Oxymetholone RS
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USP Oxymorphone RS
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USP Oxyquinoline Sulfate RS
.

USP Oxytetracycline RS
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USP Oxytocin RS
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