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Erdosteine Impurity Standards
Melphalan lmpurity Standards
Tacrolimus Impurity Standards
Diquafosol Impurity Standards
Memantine Hydrochloride Impurity Standards
Vildagliptin Impurity Standards
Neomycin Impurity Standards
Flecainide Impurity Standards
Clarthromycin Impurity Standards
Amodiaquine Hydrochloride Impurity Standards
Aspirin Impurity Standards
Atenolol Impurity Standards
Acyclovir Impurity Standards
Bisoprolol Fumarate Impurity Standards
Captopril Impurity Standards
Esomeprazole Impurity Standards
Ibuprofen Impurity Standards
Entacapone Impurity Standards
Famotidine Impurity Standards
Felodipine Impurity Standards
Ketotifen Fumarate Impurity Standards
Metoprolol Impurity Standards
Diclofenac Sodium Impurity Standards
Ambroxol Hydrochloride Impurity Standards
Betaxolol Hydrochloride Impurity Standards
Acebutolol Hydrochloride Impurity Standards
Diltiazem Hydrochloride Impurity Standards
Donepezil Hydrochloride Impurity Standards
Ciprofloxacin Hydrochloride Impurity Standards
Cimetidine Hydrochloride Impurity Standards
Omeprazole Impurity Standards
Ornidazole Impurity Standards
Piracetam Impurity Standards
Piroxicam Impurity Standards
Tamoxifen Citrate Impurity Standards
Methimazole Impurity Standards
Metronidazole Impurity Standards
Rasidipine Impurity Standard
Leflunomide Impurity Standards
Ketoprofen Impurity Standards
Loratadine Impurity Standards
Dembrexine Iimpurity Standards
Tranexamic Acid Impurity Standards
Rabeprazole Impurity Standards
Salbutamol Impurity Standards
Mycophenolate Mofetil Impurity Standards
Meloxicam Impurity Standards
Mesalazine Iimpurity Standards
Lansoprazole Impurity Standards
Hymecromone Impurity Standards
Ketorolinic acid tromethamine impurity standards
Metformin Hydrochloride Impurity Standard
Granisetron Hydrochloride Impurity Standard
Itraconazole Impurity Standards
Indomethacin Impurity Standards
Sildenafil Impurity Standards
Azithromycin Impurity Standards
Ganciclovir Impurity Standards
Dapagliflozin Impurity Standards
Biapenem Impurity Standards
Acarbose EP Impurity Standards
Oseltamivir EP Impurity Standards
Posaconazole Impurity Standards
Haloperidol Impurity Standards
Clavulanate Potassium EP Impurity Standards
Linezolid Impurity Standards
Meropenem Impurity Standards
Peramivir Impurity Standards
Parecoxib Impurity Standards
Prasugrel Impurity Standards
Other Impurity Standards

Item Products Name CAS Structural
1396 Imp. H (EP):2-Amino-7-[[2-hydroxy-1-(hydroxymethyl)ethoxy]methyl]-1,7-dihydro-6H-purin-6-one(N-7 Isomer of Ganciclovir) 84222-50-4
1397 Imp. F (EP):2-Amino-1,9-dihydro-6H-purin-6-one (Guanine) 73-40-5
1398 Imp. I (EP):2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]-propane-1,3-diylDipropanoate(Ganciclovir Dipropionate) 86357-20-2
1399 Imp. J (EP):2-[2-(Propanoylamino)-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]propane-1,3-diyldipropanoate (GanciclovirTripropionate) 177216-32-9
1400 Imp. B (EP):1-[4-(2-Dimethylaminoethoxy)phenyl]-1,2-diphenylbutan-1-ol 748-97-0
1401 Imp. G (EP):(2RS)-1-[4-[2-(Dimethylamino)-ethoxy]phenyl]-2-phenylbutan-1-one 68047-07-4
1402 1-(4-Methoxyphenyl)-1,2-diphenylbutan-1-ol 650624-50-3
1403 Imp. C (EP) E-Isomer:2-[4-[(E)-1,2-Diphenylethenyl]phenoxy]-N,N-dimethylethanamine 97151-10-5
1404 Imp. D (EP) E-Isomer:2-[4-[(E)-1,2-Diphenylprop-1-enyl]phenoxy]-N,N-dimethylethanamine 31750-45-5
1405 Imp. C (EP):1-Methyl-2-(methylsulphanyl)-1H-imidazole 14486-52-3
1406 Imp. B (EP):1-Methyl-1H-imidazole 616-47-7
1407 1-(2-Hydroxyethyl)-2-hydroxymethyl-5-nitroimidazole(Hydroxymetronidazole) 4812-40-2
1408 Imp. C (EP):2-(4-Nitro-1H-imidazol-1-yl)-ethanol 5006-69-9
1409 Imp. D (EP):2-(5-Nitro-1H-imidazol-1-yl)-ethanol 5006-68-8
1410 Imp. G (EP):2-(2-Methyl-5-nitro-1Himidazol-1-yl)acetic Acid 1010-93-1
1411 Imp. E (EP):2-(2-Methyl-4-nitro-1Himidazol-1-yl)ethanol 705-19-1
1412 Imp. A (BP): Ethyl Methyl(E)-4-{2-[2-(tert-Butoxycarbonyl)vinyl]phenyl}-1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylate 103890-81-9
1413 Imp. B (BP): Diethyl(E)-4-{2-[2-(tert-Butoxycarbonyl)vinyl]phenyl}-2,6-dimethylpyridine-3,5-dicarboxylate 130996-24-6
1414 Imp. A (EP) as Hydrochloride:4-(Trifluoromethyl)aniline Hydrochloride 90774-69-9
1415 Imp. C (EP):5-Methyl-N-[3-(trifluoromethyl)-phenyl]isoxazole-4-carboxamide 61643-23-0
1416 Imp. D (EP):5-Methylisoxazole-4-carboxylic Acid 42831-50-5
1417 Imp. G (EP):5-Methyl-N-(4-methylphenyl)-isoxazole-4-carboxamide 724429-16-7
1418 3-Ethylbenzophenone 66067-43-4
1419 Imp. C (EP):3-[(1RS)-1-Carboxyethyl]-benzoic Acid 68432-95-1
1420 3-(1-Hydroxyethyl)benzophenone 67173-18-6
1421 Imp. D (EP):(2RS)-2-[3-(4-Methylbenzoyl)-phenyl]propanoic Acid 107257-20-5
1422 3-(1-Methoxyethyl)benzophenone
1423 Ethyl2-(3-Benzoylphenyl)propionate(Ketoprofen Ethyl Ester) 60658-04-0
1424 Isopropyl2-(3-Benzoylphenyl)propionate 220662-26-0
1425 Imp. A (EP): Ethyl4-[(11RS)-8-Chloro-11-hydroxy-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl]piperidine-1-carboxylate 133284-74-9
1426 (11RS)-8-Chloro-11-hydroxy-11-(1-methylpiperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 38089-93-9
1427 Imp. C (EP): Ethyl4-(4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate 165739-83-3
1428 Imp. E (EP):2,4,6-Tribromophenol 118-79-6
1429 Imp. D (EP):4-Aminomethylbenzoic Acid 56-91-7
1430 2-[[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl]thio]-1H-benzimidazole 117977-21-6
1431 Rabeprazole Sulphone 117976-47-3
1432 Rabeprazole N-Oxide 924663-38-7
1433 Rabeprazole Sulphone N-Oxide 924663-37-6
1434 2-Chloromethyl-3-methyl-4-(3-methoxypropoxy)pyridine hydrochloride 153259-31-5
1435 Imp. B (EP):(1RS)-2-[(1,1-Dimethylethyl)-amino]-1-(4-hydroxyphenyl)ethano 96948-64-0
1436 Imp. C (EP):(1RS)-2-[(1,1-Dimethylethyl)-amino]-1-(4-hydroxy-3-methylphenyl)-ethanol 18910-68-4
1437 Imp. E (EP):(1RS)-2-[Benzyl(1,1-dimethylethyl)amino]-1-[4-hydroxy-3-(hydroxymethyl)-phenyl]ethanol 24085-03-8
1438 Imp. G (EP) as Hydrochloride:2-[Benzyl(1,1-dimethylethyl)amino]-1-[4-hydroxy-3-(hydroxymethyl)phenyl]ethanone Hydrochloride 24085-08-3
1439 4-[2-[(1,1-Dimethylethyl)amino]ethyl]-2-methylphenol 132183-64-3
1440 Imp. I (EP):(1RS)-2-[(1,1-Dimethylethyl)amino]-1-[4-(benzyloxy)-3-(hydroxymethyl)phenyl]ethanol 56796-66-8
1441 Imp. J (EP) as Hydrochloride:2-[(1,1-Dimethylethyl)amino]-1-[4-hydroxy-3-(hydroxymethyl)-phenyl]ethanone Hydrochloride 41489-89-8
1442 Imp. E (EP): Methyl(4E)-6-(4-Hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydroisobenzofuran-5-yl)-4-methylhex- 4-enoate 31858-66-9
1443 Imp. G (EP):2-(Morpholin-4-yl)ethyl(4E)-6-(4-Hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydroisobenzofuran-5-yl)-4-methylhex-4-enoate N-Oxide 224052-51-1
1444 Imp. H (EP):7-Hydroxy-5-methoxy-4-methyl-6-[2-[(2RS)-2-methyl-5-oxotetrahydrofuran-2-yl]ethyl]isobenzofuran-1(3H)-one 26675-76-3
1445 Imp. A (EP): Ethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide 24683-26-9

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