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Y0000713 (1R,2R,4S,5S,7s,9r)-9-Ethyl-9-methyl-7-[(2-phenylprop-2-enoyl)oxy]-3-oxa-9-azoniatricyclo[3.3.1.2,4]nonane European Pharmacopoeia (EP) Reference Standard
Y0001442 N-[(cis-4-Isopropylcyclohexyl)carbonyl]-D-phenylalanine European Pharmacopoeia (EP) Reference Standard
Y0000190 N-Methylpyrrolidone - reference spectrum European Pharmacopoeia (EP)
N0020000 Nabumetone European Pharmacopoeia (EP) Reference Standard
N0020020 Nabumetone impurity D European Pharmacopoeia (EP) Reference Standard
N0020030 Nabumetone impurity F European Pharmacopoeia (EP) Reference Standard
Y0000146 Nadolol European Pharmacopoeia (EP) Reference Standard
Y0001215 Nadolol impurity mixture European Pharmacopoeia (EP) Reference Standard
N0025000 Nadroparin calcium European Pharmacopoeia (EP) Reference Standard
Y0000120 Naftidrofuryl impurity A European Pharmacopoeia (EP) Reference Standard
Y0000121 Naftidrofuryl impurity B European Pharmacopoeia (EP) Reference Standard
Y0000331 Naftidrofuryl impurity F European Pharmacopoeia (EP) Reference Standard
Y0000077 Naftidrofuryl - reference spectrum European Pharmacopoeia (EP)
N0050000 Nalidixic acid European Pharmacopoeia (EP) Reference Standard
Y0001792 Nalidixic acid impurity C EuropePharmacopoeia (EP) Reference Standard
N0075000 Naloxone hydrochloride dihydrate European Pharmacopoeia (EP) Reference Standard
Y0000695 Naloxone for peak identification European Pharmacopoeia (EP) Reference Standard
Y0000400 Naltrexone hydrochloride European Pharmacopoeia (EP) Reference Standard
Y0000410 Naltrexone impurity C European Pharmacopoeia (EP) Reference Standard
N0080000 Naphazoline hydrochloride European Pharmacopoeia (EP) Reference Standard
N0100000 Naphazoline nitrate European Pharmacopoeia (EP) Reference Standard
N0200000 Naphazoline impurity A European Pharmacopoeia (EP) Reference Standard
N0250000 Naproxen European Pharmacopoeia (EP) Reference Standard
Y0000631 Naproxen impurity L European Pharmacopoeia (EP) Reference Standard
Y0000399 Naproxen (racemic)
Y0001378 Naringin European Pharmacopoeia (EP) Reference Standard
Y0001437 Nateglinide European Pharmacopoeia (EP) Reference Standard
Y0001440 Nateglinide impurity A European Pharmacopoeia (EP) Reference Standard
Y0001441 Nateglinide impurity B European Pharmacopoeia (EP) Reference Standard
N0300000 Neamine European Pharmacopoeia (EP) Reference Standard
N0399000 Neohesperidin dihydrochalcone European Pharmacopoeia (EP) Reference Standard
N0399004 Neohesperidin dihydrochalcone impurity B European Pharmacopoeia (EP) Reference Standard
N0401000 Neomycin sulfate, for microbiological assay European Pharmacopoeia (EP) Reference Standard
N0400000 Neomycin sulphate European Pharmacopoeia (EP) Reference Standard
N0500000 Neostigmine bromide European Pharmacopoeia (EP) Reference Standard
N0550000 Neostigmine methyl sulfate European Pharmacopoeia (EP) Reference Standard
Y0001499 Nevirapine hemihydrate European Pharmacopoeia (EP) Reference Standard
Y0000520 Nevirapine (anhydrous) European Pharmacopoeia (EP) Reference Standard
Y0000521 Nevirapine for peak identification European Pharmacopoeia (EP) Reference Standard
Y0001373 Nicergoline European Pharmacopoeia (EP) Reference Standard
Y0001362 Nicergoline for peak identification European Pharmacopoeia (EP) Reference Standard
Y0001352 Nicergoline for system suitability European Pharmacopoeia (EP) Reference Standard
Y0001356 Nicergoline impurity D European Pharmacopoeia (EP) Reference Standard
N0560000 Niclosamide (anhydrous) European Pharmacopoeia (EP) Reference Standard
Y0001761 Nicorandil EuropePharmacopoeia (EP) Reference Standard
Y0001762 Nicorandil impurity A EuropePharmacopoeia (EP) Reference Standard
N0600000 Nicotinamide European Pharmacopoeia (EP) Reference Standard
N0590200 Nicotine ditartrate European Pharmacopoeia (EP) Reference Standard
Y0001425 Nicotine ditartrate dihydrate European Pharmacopoeia (EP) Reference Standard
Y0001023 Nicotine for system suitability European Pharmacopoeia (EP) Reference Standard
N0590000 Nicotine - reference spectrum European Pharmacopoeia (EP)
N0700000 Nicotinic acid European Pharmacopoeia (EP) Reference Standard
Y0001268 Nicotinic acid impurity mixture European Pharmacopoeia (EP) Reference Standard
N0750000 Nifedipine European Pharmacopoeia (EP) Reference Standard
N0750010 Nifedipine impurity A European Pharmacopoeia (EP) Reference Standard
N0750015 Nifedipine impurity B European Pharmacopoeia (EP) Reference Standard
Y0000824 Niflumic acid European Pharmacopoeia (EP) Reference Standard
Y0000825 Niflumic acid impurity A European Pharmacopoeia (EP) Reference Standard
Y0000826 Niflumic acid impurity B European Pharmacopoeia (EP) Reference Standard
Y0000827 Niflumic acid impurity E European Pharmacopoeia (EP) Reference Standard
Y0000836 Nifuroxazide European Pharmacopoeia (EP) Reference Standard
N0800000 Nikethamide European Pharmacopoeia (EP) Reference Standard
Y0000829 Nilutamide European Pharmacopoeia (EP) Reference Standard
Y0000894 Nilutamide impurity B European Pharmacopoeia (EP) Reference Standard
N0845000 Nimesulide European Pharmacopoeia (EP) Reference Standard
Y0001237 Nimesulide for peak identification European Pharmacopoeia (EP) Reference Standard
N0845008 Nimesulide impurity D European Pharmacopoeia (EP) Reference Standard
N0850000 Nimodipine European Pharmacopoeia (EP) Reference Standard
N0850010 Nimodipine impurity A European Pharmacopoeia (EP) Reference Standard
N0900000 Nitrazepam European Pharmacopoeia (EP) Reference Standard
N0905000 Nitrendipine European Pharmacopoeia (EP) Reference Standard
Y0001456 Nitrendipine for peak identification European Pharmacopoeia (EP) Reference Standard
N0905005 Nitrendipine impurity A European Pharmacopoeia (EP) Reference Standard
N0930000 Nitric oxide - reference spectrum European Pharmacopoeia (EP)
N0950000 Nitrofural European Pharmacopoeia (EP) Reference Standard
Y0001377 Nitrofural for peak identification European Pharmacopoeia (EP) Reference Standard
Y0001570 Nitrofural impurity B European Pharmacopoeia (EP) Reference Standard
N1000000 Nitrosotriaminopyrimidine European Pharmacopoeia (EP) Reference Standard
N1090000 Nizatidine European Pharmacopoeia (EP) Reference Standard
Y0001278 Nizatidine for system suitability European Pharmacopoeia (EP) Reference Standard
N1090060 Nizatidine impurity F European Pharmacopoeia (EP) Reference Standard
N1080000 Nomegestrol acetate European Pharmacopoeia (EP) Reference Standard
N1080005 Nomegestrol acetate impurity A European Pharmacopoeia (EP) Reference Standard
Y0001314 1-Nonadecanol European Pharmacopoeia (EP) Reference Standard
Y0000755 Nonoxinol 9 European Pharmacopoeia (EP) Reference Standard
N1100000 Noradrenaline tartrate European Pharmacopoeia (EP) Reference Standard
Y0000681 Noradrenaline impurity D European Pharmacopoeia (EP) Reference Standard
Y0000682 Noradrenaline impurity E European Pharmacopoeia (EP) Reference Standard
Y0000686 Noradrenaline impurity F European Pharmacopoeia (EP) Reference Standard
N1130000 Norcyclobenzaprine European Pharmacopoeia (EP) Reference Standard
N1200000 Norethisterone European Pharmacopoeia (EP) Reference Standard
N1225000 Norethisterone acetate European Pharmacopoeia (EP) Reference Standard
Y0001532 Norethisterone acetate for system suitability European Pharmacopoeia (EP) Reference Standard
Y0000522 Norethisterone for system suitability European Pharmacopoeia (EP) Reference Standard
N1230000 Norfloxacin European Pharmacopoeia (EP) Reference Standard
Y0001301 Norfloxacin for peak identification European Pharmacopoeia (EP) Reference Standard
Y0001015 Norfloxacin for system suitability European Pharmacopoeia (EP) Reference Standard
N1230010 Norfloxacin impurity A European Pharmacopoeia (EP) Reference Standard
Y0001609 Norflurane - reference spectrum European Pharmacopoeia (EP)
Y0000724 Norgestimate European Pharmacopoeia (EP) Reference Standard
Y0000725 Norgestimate for system suitability European Pharmacopoeia (EP) Reference Standard
N1250000 Norgestrel European Pharmacopoeia (EP) Reference Standard
N1279000 Norpseudoephedrine hydrochloride European Pharmacopoeia (EP) Reference Standard
N1280000 Nortriptyline hydrochloride European Pharmacopoeia (EP) Reference Standard
Y0001296 Nortriptyline for system suitability European Pharmacopoeia (EP) Reference Standard
N1300000 Noscapine European Pharmacopoeia (EP) Reference Standard
N1400000 Nystatin European Pharmacopoeia (EP) Reference Standard
O0100900 Octoxinol 10 European Pharmacopoeia (EP) Reference Standard
O0101000 Octyldodecanol European Pharmacopoeia (EP) Reference Standard
Y0000368 Octyl gallate European Pharmacopoeia (EP) Reference Standard
O0120010 Ofloxacin impurity A European Pharmacopoeia (EP) Reference Standard
O0120050 Ofloxacin impurity E European Pharmacopoeia (EP) Reference Standard
Y0001370 Olanzapine European Pharmacopoeia (EP) Reference Standard
Y0001380 Olanzapine for system suitability European Pharmacopoeia (EP) Reference Standard
Y0001392 Olanzapine impurity A European Pharmacopoeia (EP) Reference Standard
Y0001204 Oleanolic acid European Pharmacopoeia (EP) Reference Standard
Y0001479 Oleic acid European Pharmacopoeia (EP) Reference Standard
Y0000805 Oleuropein European Pharmacopoeia (EP) Reference Standard
Y0001405 Olmesartan medoxomil European Pharmacopoeia (EP) Reference Standard
Y0001424 Olmesartan medoxomil for system suitability European Pharmacopoeia (EP) Reference Standard
O0146000 Olsalazine sodium European Pharmacopoeia (EP) Reference Standard
O0146010 Olsalazine sodium for performance test European Pharmacopoeia (EP) Reference Standard
O0150000 Omeprazole European Pharmacopoeia (EP) Reference Standard
Y0001042 Omeprazole for peak identification European Pharmacopoeia (EP) Reference Standard
O0151000 Omeprazole impurity D European Pharmacopoeia (EP) Reference Standard
Y0001043 Omeprazole magnesium European Pharmacopoeia (EP) Reference Standard
Y0000218 Ondansetron hydrochloride dihydrate European Pharmacopoeia (EP) Reference Standard
Y0000197 Ondansetron for LC system suitability European Pharmacopoeia (EP) Reference Standard
Y0000196 Ondansetron for TLC system suitability European Pharmacopoeia (EP) Reference Standard
Y0001345 Ondansetron impurity A European Pharmacopoeia (EP) Reference Standard
Y0000195 Ondansetron impurity D European Pharmacopoeia (EP) Reference Standard
Y0001326 Ondansetron impurity E European Pharmacopoeia (EP) Reference Standard
Y0001320 Ondansetron impurity F European Pharmacopoeia (EP) Reference Standard
Y0001346 Ondansetron impurity G European Pharmacopoeia (EP) Reference Standard
Y0001125 Orbifloxacin European Pharmacopoeia (EP) Reference Standard
Y0001147 Orbifloxacin impurity mixture European Pharmacopoeia (EP) Reference Standard
Y0000895 Orciprenaline for system suitability European Pharmacopoeia (EP) Reference Standard
O0180000 Orciprenaline sulfate European Pharmacopoeia (EP) Reference Standard
Y0001501 Orientvine stem HRS European Pharmacopoeia (EP) Reference Standard
Y0000100 Orphenadrine hydrochloride European Pharmacopoeia (EP) Reference Standard
Y0000101 Orphenadrine citrate European Pharmacopoeia (EP) Reference Standard
Y0001181 Orphenadrine for peak identification European Pharmacopoeia (EP) Reference Standard
Y0000102 Orphenadrine impurity E European Pharmacopoeia (EP) Reference Standard
Y0001338 Oseltamivir impurity A European Pharmacopoeia (EP) Reference Standard
Y0001339 Oseltamivir impurity B European Pharmacopoeia (EP) Reference Standard
Y0001340 Oseltamivir impurity C European Pharmacopoeia (EP) Reference Standard
Y0001341 Oseltamivir impurity H European Pharmacopoeia (EP) Reference Standard
Y0001337 Oseltamivir phosphate (impurity B free) European Pharmacopoeia (EP) Reference Standard
Y0001207 Osthole European Pharmacopoeia (EP) Reference Standard
O0200000 Ouabain European Pharmacopoeia (EP) Reference Standard
Y0000638 Oxacillin sodium monohydrate European Pharmacopoeia (EP) Reference Standard
Y0000560 Oxacillin for peak identification European Pharmacopoeia (EP) Reference Standard
Y0000271 Oxaliplatin European Pharmacopoeia (EP) Reference Standard
Y0000272 Oxaliplatin impurity B European Pharmacopoeia (EP) Reference Standard
Y0000273 Oxaliplatin impurity C European Pharmacopoeia (EP) Reference Standard
Y0000274 Oxaliplatin impurity D European Pharmacopoeia (EP) Reference Standard
O0225000 Oxazepam European Pharmacopoeia (EP) Reference Standard
Y0001576 Oxcarbazepine European Pharmacopoeia (EP) Reference Standard
Y0001549 Oxcarbazepine impurity mixture European Pharmacopoeia (EP) Reference Standard
Y0000350 Oxeladin hydrogen citrate European Pharmacopoeia (EP) Reference Standard
Y0000404 Oxeladin impurity C European Pharmacopoeia (EP) Reference Standard
Y0000390 Oxeladin impurity D European Pharmacopoeia (EP) Reference Standard
O0225800 Oxfendazole European Pharmacopoeia (EP) Reference Standard
Y0000224 Oxfendazole impurity B European Pharmacopoeia (EP) Reference Standard
Y0000225 Oxfendazole with impurity D European Pharmacopoeia (EP) Reference Standard
O0260000 Oxibendazole European Pharmacopoeia (EP) Reference Standard
Y0001771 Oxidronate for radiochemical purity testing EuropePharmacopoeia (EP) Reference Standard
Y0000709 Oxitropium bromide European Pharmacopoeia (EP) Reference Standard
Y0000715 Oxitropium bromide impurity B European Pharmacopoeia (EP) Reference Standard
O0240000 Oxolinic acid European Pharmacopoeia (EP) Reference Standard
O0240005 Oxolinic acid impurity A European Pharmacopoeia (EP) Reference Standard
O0240010 Oxolinic acid impurity B European Pharmacopoeia (EP) Reference Standard
O0250000 Oxprenolol hydrochloride European Pharmacopoeia (EP) Reference Standard
O0270000 Oxybuprocaine hydrochloride European Pharmacopoeia (EP) Reference Standard
O0288000 Oxybutynin hydrochloride European Pharmacopoeia (EP) Reference Standard
O0288005 Oxybutynin impurity A European Pharmacopoeia (EP) Reference Standard
O0290000 Oxymetazoline hydrochloride European Pharmacopoeia (EP) Reference Standard
Y0001044 Oxymetazoline impurity A European Pharmacopoeia (EP) Reference Standard
O0500000 Oxytetracycline hydrochloride European Pharmacopoeia (EP) Reference Standard
O0700000 Oxytocin European Pharmacopoeia (EP) Reference Standard
O0770000 Oxytocin/Desmopressin validation mixture European Pharmacopoeia (EP) Reference Standard