USP Nabumetone RS .

USP Nabumetone Related Compound A RS [1-(6-methoxy-2-naphthyl)-but-1-en-3-one] (C15H14O2 226.27) .

USP Nadolol RS .

USP Nafcillin Sodium RS .

USP Naftifine Hydrochloride RS .

USP Nalidixic Acid RS .

USP Nalorphine Hydrochloride RS .

USP Naloxone RS .

USP Naltrexone RS .

USP Naltrexone Related Compound A RS [N-(3-butenyl)-noroxymorphone hydrochloride] (C20H23NO4·HCl 377.87) .

USP Nandrolone RS .

USP Nandrolone Decanoate RS .

USP Nandrolone Phenpropionate RS .

USP Naphazoline Hydrochloride RS .

USP Naphthalene RS .

USP Naproxen RS .

USP Naproxen Sodium RS .

USP Narasin RS.

USP Naratriptan Hydrochloride RS .

USP Naratriptan Related Compound A RS [3-(1-methylpiperidin-4-yl)-1H-indole hydrochloride] (C14H18N2 · HCl 250.8) .

USP Naratriptan Related Compound B RS [2-[3-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indol-5-yl]ethanesulfonic acid methylamide oxalate] (C17H23N3O2S · C2H2O4 423.5) .

USP Naratriptan Resolution Mixture RS— A mixture of naratriptan hydrochloride with approximately 0.1% each of naratriptan related compound A [3-(1-methylpiperidin-4-yl)-1H-indole hydrochloride] and naratriptan related compound B [2-[3-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indole-5-yl]ethanesulfonic acid methylamide oxalate].

USP Natamycin RS .

USP Near-Infrared Calibrator RS.

USP Nefazodone Hydrochloride RS.

USP Nefazodone Related Compound A RS [1-(3-chloropropyl)-4-(chlorophenyl)piperazine] (C13H18Cl2N2 273.20) .

USP Nefazodone Related Compound B RS [2-(3-(4-(chlorophenyl)-1-piperazinyl)propyl)-5-ethyl-2,4-dihydro-4-(2-phenoxyethyl)-3H-1,2,4-triazol-3-one] (C25H32ClN5O2 470.01) .

USP Neomycin Sulfate RS .

USP Neostigmine Bromide RS .

USP Neostigmine Methylsulfate RS .

USP Neotame RS.

USP Neotame Related Compound A RS [N-[3,3-dimethylbutyl)-l--aspartyl]-l-phenylalanine].

USP Netilmicin Sulfate RS .

USP Nevirapine Anhydrous RS .

USP Nevirapine Hemihydrate RS .

USP Nevirapine Related Compound A RS [5,11-dihydro-6H-11-ethyl-4-methyl-dipyrido[3,2-b:2¢,3¢-e][1,4]diazepin-6-one] (C14H14N4O 254.29) .

USP Nevirapine Related Compound B RS [5,11-dihydro-4-methyl-6H-dipyrido[3,2-b:2¢,3¢-e][1,4]diazepin-6-one] (C12H10N4O 226.23) .

USP Niacin RS .

USP Niacinamide RS .

USP Nicotine Bitartrate Dihydrate RS .

USP Nifedipine RS .

USP Nifedipine Nitrophenylpyridine Analog RS [dimethyl 4-(2-nitrophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate] (C17H16N2O6 344.33) .

USP Nifedipine Nitrosophenylpyridine Analog RS [dimethyl 4-(2-nitrosophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate] (C17H16N2O5 328.33) .

USP Nimodipine RS.

USP Nimodipine Related Compound A RS [(2-methoxyethyl-1-methylethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate] (C21H24N2O7 416.42).

USP Nitrofurantoin RS .

USP Nitrofurantoin Related Compound A RS [N-(aminocarbonyl)-N-[([5-nitro-2-furanyl]methylene)-amino]glycine] .

USP Nitrofurazone RS .

USP Nitrofurazone Related Compound A RS [5-nitro-2-furfuraldazine] (C10H6N4O6 278.18) .

USP Nitrofurfural Diacetate RS (C9H9NO7 243.17) .

USP Nitrogen RS.

USP Diluted Nitroglycerin RS .

USP Nitrous Oxide RS.

USP Nizatidine RS .

USP Nonoxynol 9 RS .

USP Nordazepam RS [7-chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one] (C15H11ClN2O 270.72) .

USP Norepinephrine Bitartrate RS .

USP Norethindrone RS .

USP Norethindrone Acetate RS .

USP Norethynodrel RS .

USP Norfloxacin RS .

USP Norgestimate RS .

USP Norgestimate Related Compound A RS.

USP Norgestimate Oxime Mixture RS [mixture of syn-17-deacetyl norgestimate and anti-17-deacetyl norgestimate] .

USP Norgestrel RS .

USP Noroxymorphone Hydrochloride RS .

USP Norphenylephrine Hydrochloride RS.

USP Nortriptyline Hydrochloride RS .

USP Noscapine RS .

USP Novobiocin RS .

USP Nystatin RS .