Impurities

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General

API NameImpurity CAS Number
1. AlbendazoleEP impurity D 
 EP impurity J 
 EP impurity K 
 EP impurity L 
2. AcebutololAcebutolol EP impurity A28197-66-2
 Acebutolol EP impurity B22568-64-5
 Acebutolol EP impurity C40188-45-2
3. AlprazolamAlprazolam EP impurity G448950-89-8
4. AmlodipineAmlodipine EP impurity A88150-62-3
 Amlodipine EP impurity B721958-72-1
 Amlodipine EP impurity D--
 Amlodipine EP impurity E140171-65-9
 Amlodipine EP impurity G43067-01-2
 Amlodipine EP impurity H318465-73-5
5. ApixabanApixaban In House impurity 2187409-01-2
6. AtomoxetineAtomoxetine impurity 1212215-97-8
 Atomoxetine N-desmethylimpurity881995-46-6
 Atomoxetine impurity42064-62-0
7. AzithromycinAzithromycin EP Impurity A76801-85-9
8. BenzocaineBenzocaine N-b-D-Glucoside28315-50-6
 Ethyl -4-nitrobenzoate99-77-4
10. Candesartan CilexetilCandesartan Cilexetil EP impurity B869631-11-8
 Candesartan Cilexetil EP impurity C1185255-99-5
 Candesartan Cilexetil EP impurity D1185256-03-4
 Candesartan Cilexetil EP impurity E914613-35-7
 Candesartan Cilexetil EP impurity F914613-36-8
11. CarmustineCarmustine related compound A2214-72-4
12. CarvedilolCarvedilol EP impurity D51997-51-4
13. CefepimeCefepime EP impurity D65872-41-5
 Cefepime EP impurity E103121-85-3
14. Clobetasol PropionateClobetasol Propionate related compound A1486466-31-2
15. CitalopramCitalopram related compound A64372-56-1 
 Citalopram related compound E62498-71-9
 Citalopram diol103146-26-5
16. ClotrimazoleClotrimazole EP impurity A66774-02-5
17. Dapagliflozin1α-Methoxy dapagliflozin impurity714269-57-5
 O-Desethyl dapagliflozin impurity864070-37-1
 Dapagliflozin tetraacetate impurity461432-25-7
18. DiclofenacDiclofenac related compound A15362-40-0
 Diclofenac EP impurity B22121-58-0
 Diclofenac EP impurity C27204-57-5
 Diclofenac EP impurity E59-48-3
19. Ezetimibe(S)-3-((S)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one189028-95-3
 Ezetimibe ketone191330-56-0
 Ezetimibe tetrahydropyran analog1296129-15-1
20. Hydrocortisone acetate Hydrocortisone acetate EP impurity A50-23-7
 Hydrocortisone acetate EP impurity B641-77-0
 Hydrocortisone acetate EP impurity C52-21-1
 Hydrocortisone acetate EP impurity D50-04-4
 Hydrocortisone acetate EP impurity E7753-60-8
21. MeloxicamMeloxicam EP impurity A24683-26-9
 Meloxicam EP impurity B7305-71-7
 Meloxicam EP impurity C1262333-25-4
 Meloxicam EP impurity D1331636-17-9
22. MetforminMetformin EP impurity A461-58-5
 Metformin EP impurity C1985-46-2
 Metformin EP impurity F506-59-2
23. MirtazapineMirtazapine EP impurity F191546 -97-1
24. MontelukastMontelukast sulfoxide impurity909849-96-3
 Montelukast cis isomer impurity774538-96-4
 Montelukast methylstyrene impurity918972-54-0
25. MoxifloxacinDecarboxy moxifloxacin1322062-57-6
 Moxifloxacin-7-amine172426-88-9
26. Olmesartan MedoxomilOlmesartan Medoxomil EP impurity A144689-24-7
 Olmesartan Medoxomil EP impurity C879562-26-2
27. OmeprazoleOmeprazole EP impurity A37052-78-1
 Omeprazole EP impurity C73590-85-9
 Omeprazole EP impurity D88546-55-8
 Omeprazole EP impurity XI86604-75-3
28. PantoprazolePantoprazole EP impurity A 127780-16-9
 Pantoprazole EP impurity B102625-64-9
 Pantoprazole EP impurity C97963-62-7
 Pantoprazole EP impurity --
 D and F mixture 
 Pantoprazole chloromethyl impurity72830-09-2
29. RitonavirRitonavir EP impurity C1010808-43-1
 Ritonavir EP impurity J162849-95-8
30. Sertraline hydrochlorideSertraline hydrochloride EP impurity A79617-99-5
 Sertraline hydrochloride EP impurity F155748-61-1
 Sertraline hydrochloride EP impurity G79645-15-1
31. SimvastatinSimvastatin EP impurity A101314-97-0
 Simvastatin EP impurity B145576-25-6
 Simvastatin EP impurity C210980-68-0
 Simvastatin EP impurity E75330-75-5
 Simvastatin EP impurity H79952-42-4
 Simvastatin EP impurity I79902-42-4
 Simvastatin EP impurity J864357-88-0
32. SitagliptinSitagliptin acid936630-57-8
 Sitagliptin phenylcrotonyl analog1253056-18-6
 Sitagliptin triazecine analog2088771-61-1
33.SulfamethoxazoleSulfamethoxazole EP impurity A21312-10-7
 Sulfamethoxazole EP impurity C1072-67-9
34. TadalafilTadalafil EP impurity A171596-27-3
 Tadalafil EP impurity B629652-72-8
 Tadalafil EP impurity C171596-28-4
 (1R,3R)-methyl 1-(benzo[d][1,3]dioxol-5-yl)-2-(2- chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole- 3-carboxylate171489-59-1
 (1S,3R)-methyl 1-(benzo[d][1,3]dioxol-5-yl)-2-(2- chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole- 3-carboxylate629652-40-0
 (6S,12aS)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4- dione--
35. ValsartanDevaleryl valsartan676129-92-3

Oncology

API NameImpurity CAS No
1. AxitinibImpurity H (N-Acetyl Axitinib)
 885126-35-2
 1959572-97-4
 1959572-98-5
 1443118-73--7
 1639137-80-6
 885126-35-2
2. Dasatinib910297-61-9
 910297-51-7
 910297-52-8
 N-acethyl-Thiazole Carboximide
3. Lenvatinib417717-21-6
 Impurity 2
4. Nilotinib943320-48-7
 641571-06-4
 123367-26-0
 917392-54-2
 1246817-85-5
 641569-96-2
 641569-94-0
 2119583-24-1
 2119583-26-3
 641571-05-3
 2139382-75-3
5. Osimertinib"Impurity Q
 (Osimertinib N,N'-Dioxide)"
 "Impurity L
 (Osimertinib N-Oxide)"
6. Polbociclib2270982-31-3
 571189-51-0
 851067-56-6
 2324831-15-2
 827022-35-5
 1651214-74-2
 2174002-29-8
 2098673-40-4
 571190-22-2
 DCTI-C-451
 1023594-49-1
7. Pazopanib221681-92-1
 444731-73-1
 1313372-75-6
 1354224-47-7
 635702-60-2
 444731-75-3
 444731-74-2
 1252927-47-1
 1797832-43-9
 1072836-76-0
8. Palbociclib"PBC Amine nitro
 DCTI-C-451"
 1023594-49-1
9. Pemetrexed193281-05-9
 144051-68-3
 869791-42-4
 "Pemetrexed Glutamide impurity
 (N-Methyl triacid)
 DCTI-C-442"
 Pemetrexed Methyl ester
 Pemetrexed impurity 18(AS PER SYNZEAL)
 Pemetrexed impurity 30
 (Tri ethyl ester)
10. RiboclibDCTI-C-302
 DCTI-C-305
 DCTI-C-306
 DCTI-C-303
 DCTI-C-304
 N-oxide
 DCTI-C-328
11. Sorafenib1129683-88-0
 2204442-52-2
 370-50-3
 2004659-84-9
 475207-59-1
 583840-03-3
  (Impurity G)
 N-Oxide
 PC Isomer imp C
 phenyl (3-chloro-2- (trifluoro methyl) phenyl) carbamate
 IMPURITY-D
 PC Isomer imp A
 phenyl (3-chloro-4- (trifluoro methyl) phenyl) carbamate
12. Tenofevir"RSR diastereo isomer
 DCTI-C-394"
 "TAF-PMPA-Isopropyl alaninate
 (Tenofovir Impurity-4)"
 851456-00-3

Reach us at

Dr.Narasimha Murthy

+91 740619672

murthy@inobelpharma.com

Dr. Harsha Jinadatharya

+91 9945028236, 9886288897

harsha@inobelpharma.com