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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
1446 Imp. F (EP): Isopropyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide(1-Methylethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide) 118854-48-1
1447 Imp. C (EP):N-[(2Z)-3,5-Dimethylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide
1448 5-Acetaminosalicylic Acid 51-59-2
1449 Imp. I (EP):2-Hydroxy-5-(phenyldiazenyl)benzoic Acid(Phenylazosalicylic Acid) 3147-53-3
1450 Imp. B (EP):2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphonyl]-1Hbenzimidazole(Lansoprazole Sulphone) 131926-99
1451 Imp. F (EP):2-[(RS)-[(4-Chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole 168167-42-8
1452 Imp. A (EP):2-[(RS)-[[3-Methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]-sulphinyl]-1H-benzimidazole(LansoprazoleN-Oxide) 213476-12-1
1453 Lansoprazole Sulphone N-Oxide 953787-54-7
1454 Imp. B (EP):7-Hydroxy-2-methyl-4H-1-benzopyran-4-one 6320-42-9
1455 Hymecromone Acetate 309490
1456 7-Acetoxy-3-acetyl-2-4H-1-benzopyran-4-one 52751-48-1
1457 Imp. I (EP):Phenyl(2,3-dihydro-1H-pyrrolizin-5-yl)methanone1
1458 Imp. B (EP): 5-Benzoyl-2,3-dihydro-1H-pyrrolizin-1-one(Ketorolac1-Keto Anolog) 113502-52-6
1459 Imp. C (EP):N,N-Dimethyl-1,3,5-triazine-2,4,6-triamine1 1985-46-2
1460 Imp. E (EP) as Hydrochloride:1-MethylbiguanideHydrochloride 1674-62-0
1461 Imp. B (EP) as Nitrate:(4,6-Diamino-1,3,5-triazin-2-yl)g 3553-49-9
1462 Imp. B (EP):N-[(1R,3r,5S)-9-Methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide 107007-95-4
1463 Imp. C (EP): N-[(1R,3r,5S)-9-Azabicyclo[3.3.1]non-3-yl]-1-methyl-1H-indazole-3-carboxamide 160177-67-3
1464 Imp. G (EP):2-Methyl-2H-indazole-3-carboxylic Acid 34252-44-3
1465 Imp. I (EP):1-Methyl-1H-indazole-3-carboxylicAnhydride 1363173-34-5
1466 Imp. A (EP):4-[4-[4-(4-Methoxyphenyl)piperazin-1-yl]phenyl]-2-[(1RS)-1-methylpropyl]-2,4-dihydro-3H-1,2,4-triazol-3-one 252964-68-4
1467 Imp. C (EP):4-[4-[4-[4-[[cis-2-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]-methoxy]phenyl]piperazin-1-yl]phenyl]-2-propyl-2,4-dihydro-3H-1,2,4-triazol-3-one 74855-91-7
1468 Imp. D (EP):4-[4-[4-[4-[[cis-2-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]-methoxy]phenyl]piperazin-1-yl]phenyl]-2-(1-methylethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one 89848-49-7
1469 Imp. F (EP):2-Butyl-4-[4-[4-[4-[[cis-2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazin-1-yl]phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one 89848-51-1
1470 2,4-Dihydro-4-[4-[4-(4-methoxyph enyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one 74853-07-9
1471 Imp. G (Pharmeuropa):[1-(3,4-Dichlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetic Acid(3,4-Dichloroindometacin) 402849-26-7
1472 2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]BENZOIC ACID 194602-23-8
1473 Desethyl Sildenafil 139755-91-2
1474 AZITHROMYCIN IMPURITY A
1475 AZITHROMYCIN IMPURITY B 307974-61-4
1476 AZITHROMYCIN IMPURITY B 620169-47-3
1477 AZITHROMYCIN IMPURITY D 612069-26-8
1478 AZITHROMYCIN IMPURITY E 612069-27-9
1479 AZITHROMYCIN IMPURITY F 612069-28-0
1480 AZITHROMYCIN IMPURITY G 612069-31-5
1481 AZITHROMYCIN IMPURITY H 612069-30-4
1482 AZITHROMYCIN IMPURITY I 172617-84-4
1483 AZITHROMYCIN IMPURITY J 117693-41-1
1484 AZITHROMYCIN IMPURITY L 90503-06-3
1485 AZITHROMYCIN IMPURITY M 765927-71-7
1486 AZITHROMYCIN IMPURITY N 612069-25-7
1487 AZITHROMYCIN IMPURITY O 763924-54-5
1488 AZITHROMYCIN IMPURITY P 76801-85-9
1489 AZITHROMYCIN IMPURITY Q 2095879-65-3
1490 Erythromycin A 6,9-Imino Ether 99290-97-8
1491 Erdosteine Impurity 1
1492 Erdosteine Impurity
1493 Erdosteine Bis-N-(2-Oxo-3-tetrahydrothienyl) Impurity 
1494 Erdosteine Homocysteine Impurity
1495 Erdosteine Thioacid Disodium Salt 254884-18-9

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