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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
1296 4-Hydroxybenzoic acid 99-96-7
1297 4-Hydroxyisophthalic acid 636-46-4
1298 Salicylic acid 69-72-7
1299 Acetylsalicylsalicylic Acid 552-94-3
1300 2-(2,4-Dihydroxybenzoyl)benzoic Acid 2513-33-9
1301 4-Acetoxyisophthalic Acid 5985-26-2
1302 2-[4-[[(2RS)-Oxiran-2-yl]methoxy]phenyl]-acetamide 29122-69-8
1303 Imp. B (EP):2-[4-[(2RS)-2,3-Dihydroxypropoxy]phenyl]acetamide 61698-76-8
1304 mp. D (EP):2-[4-[(2RS)-3-Chloro-2-hydroxypropoxy]phenyl]acetamide 115538-83-5
1305 Imp. H (EP):2-[4-[(2RS)-2-Hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]-acetonitrile 29277-73-4
1306 Imp. A (EP):2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl Acetate 102728-64-3
1307 Imp. C (EP):2-Amino-7-[(2-hydroxyethoxy)methyl]-1,7-dihydro-6H-purin-6-one 91702-61-3
1308 2-[[2-(Acetylamino)-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]ethylBenzoate 133186-23-9
1309 Imp. A (EP):(RS)-1-(4-Hydroxymethylphenoxy)-3-isopropylaminopropan-2-ol 62572-93-4
1310 Imp. C (EP):5-[[4-(Hydroxymethyl)phenoxy]-methyl]-3-isopropyl-1,3-oxazolidin-2-one(Bisoprolol
1311 Imp. U (EP):5-[[4-(Hydroxymethyl)phenoxy]-methyl]-3-isopropyl-1,3-oxazolidin-2-one(Bisoprolol Oxazolidinonebenzylalcohol) 1071765-44-0
1312 Imp. T (EP):4-[(3-Isopropyl-2-oxo-1,3-oxazolidin-5-yl)methoxy]benzaldehyde(Bisoprolol 1173203-2 6-3
1313 (2RS)-1-[4-((2-Hydroxy-ethoxy)methyl)phenoxy]-3-(isopropylamino)-2-propanol 109791-18-6
1314 Imp. A (EP):1,1'-[Disulfanediylbis-[(2S)-2-methyl-1-oxopropane-3,1-diyl]]-bis[(2S)-pyrrolidine-2-carboxylic] Acid(Captopril Disulfide) 64806-05-9
1315 Imp. B (EP):(2S)-1-[(2S)-3-Bromo-2-methylpropanoyl]pyrrolidine-2-carboxylic Acid 80629-35-2
1316 Imp. E (EP):(2S)-1-[2-Methylpropanoyl]-pyrrolidine-2-carboxylic Acid 23500-15-4
1317 Imp. B (EP):2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benzimidazole 110374-16-8
1318 Imp. E (EP):4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulphinyl]methyl]-3,5-dimethylpyridine 1-Oxide (OmeprazoleN-Oxide) 176219-04-8
1319 Imp. B (EP):(2RS)-2-(4-Butylphenyl)-propanoic Acid 3585-49-7
1320 Imp. J (EP):(2RS)-2-[4-(2-Methylpropanoyl)phenyl]propanoic Acid 65813-55-0
1321 Ibuprofen impurity L 53949-53-4
1322 4-Isobutyrylacetophenone 103931-20-0
1323 Imp. C (EP):(2RS)-2-[4-(2-Methylpropyl)-phenyl]propanamide 59512-17-3
1324 2-(4-Isobutyrylphenyl)propane 72846-62-9
1325 2-(4-n-Propylphenyl)propanoic Acid 3585-47-5
1326 2-(4-Isobutylphenyl)propionitrile 58609-73-7
1327 1-Ethyl-4-isobutylbenzene 100319-40-2
1328 Imp. O (EP):2-[4-(1-Methylpropyl)-phenyl]propanoic Acid 64451-76-9
1329 Imp. A (EP):(2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide 145195-63-7
1330 Imp. D (EP):(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide 857629-79-9
1331 Imp. E (EP):3,5-Dinitrobenzene-1,2-diol 7659-29-2
1332 Imp. I (EP): Propyl(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
1333 Imp. C (EP) as Hydrochloride: 3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulfanyl]-N-sulfamoylpropanamideHydrochloride 76824-17-4
1334 Imp. F (EP):3-[[[2-[(Diaminomethylene)-amino]thiazol-4-yl]methyl]sulfanyl]-propanoic Acid 107880-74-0
1335 Imp. A (EP) as Hydrochloride:3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]-methyl]sulfanyl]propanimidamideHydrochloride 76833-47-1
1336 Imp. I (EP):3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulfinyl]-N-sulfamoylpropanamide 1020719-36-1
1337 Imp. D (EP):4-[(aRaS)-1-Methylpiperidin-4-ylidene]-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one N-Oxide(Ketotifen N-Oxide) 88456-70-6
1338 Imp. B (EP):(4RS)-10-Methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol 59743-88-3
1339 N-Desmethylketotifen Hydrogen Fumarate 930765-16-5
1340 Imp. B (EP):4-(2-Methoxyethyl)phenol 56718-71-9
1341 Imp. O (EP):1,1'-[(1-Methylethyl)imino]bis-[3-[4-(2-methoxyethyl)phenoxy]propan-2-ol] 154784-36-8
1342 Imp. A (EP):(2RS)-1-(Ethylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol 109632-08-8
1343 Imp. D (EP):(2RS)-3-[4-(2-Methoxyethyl)phenoxy]propane-1,2-diol 62572-90-1
1344 Imp. H (EP):(2RS)-1-[4-(2-Hydroxyethyl)-phenoxy]-3-[(1-methylethyl)amino]propan-2-ol 62572-94-5
1345 (2RS)-1-(4-Ethenylphenoxy)-3-[(1-methylethyl)amino]propan-2-ol 933468-54-3

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