IMPURITIES

Products

Chemical Name* CAS No.* Purity %
Acetyl cysteine impurity D 18725-37-6 97.78

Chemical Name* CAS No.* Purity %
Aciclovir EP Impurity B 73-40-5 95.34

Chemical Name* CAS No.* Purity %
Abiraterone WS 154229-18-2 96.26
Abiraterone ethyl esther 2484719-14-2 96.24
Abiraterone Acetate 154229-19-3 95.78
Abiraterone Proprionate 1620323-43-4 98.64
Abitaternone Alcohol 154229-19-3 95.63

Chemical Name* CAS No.* Purity %
Amiodarone EP Impurity D 1951-26-4 95.27

Chemical Name* CAS No.* Purity %
Azithromycin API 83905-01-5 96.10
Azithromycin EP Impurity J 117693-41-1 95.12
Azithromycin EP Impurity L 90503-06-3 96.46
Azithromycin EP Impurity M 765927-71-7 97.60
Azithromycin EP Impurity F 612069-31-5 98.76
Azithromycin EP Impurity I 172617-84-4 97.26
Azithromycin EP Impurity G 612069-28-0 98.12
Azithromycin EP Impurity E 612069-27-9 97.62
Azithromycin (AZAE) 76801-85-9 98.12

Chemical Name* CAS No.* Purity %
Anastrazole Key Intermediate 120511-74-2 95.76
Anastrazole EP Impurity C 120511-84-4 95.20
Anastrazole Mono amide Mono Nitrile 120512-03-0 95.12
Anastrazole Mono bromo 120511-73-1 96.27
Anastrazole Mono Nitrile Mono acid 1338800-82-0 96.10
Anastrazole EP Impurity D 1027160-12-8 97.12
Anastrazole EP Impurity A 1215780-15-6 98.30
Anastrazole EP Impurity H 120511-72-0 96.46

Chemical Name* CAS No.* Purity %
Azacitidine-5-Aza-Cytosine 931-86-2 95.29

Chemical Name* CAS No.* Purity %
Bortezomib Reference standard 179324-69-7 97.85

Chemical Name* CAS No.* Purity %
Busulfan 55-98-1 98.60

Chemical Name* CAS No.* Purity %
Bendamustine Deschloroethyl Acid Ethyl Ester 2517968-40-8 95.93
Bendamustine Dideschloroethyl Acid Impurity 914626-62-3 95.39
Bendamustine Dihydroxy Impurity 109882-29-3 95.87
Bendamustine Monohydroxy Acid Impurity 109882-26-0 95.76
Bendamustine Monohydroxy Acid Ethyl Ester 898224-95-8 95.62
Bendamustine Mono Hydroxy Impurity 1366085-72-4 95.27
Bendamustine Amine Impurity 1469343-10-9 95.87
chloroethyl Bendamustine Ethyl Ester 3543-74-6 95.86
 

Chemical Name* CAS No.* Purity %
cotticosterone 50-22-6 95.39

Chemical Name* CAS No.* Purity %
Capacitabine Impurity B 3094-09-5 96.24
Capacitabine Impurity A 66335-38-4 97.46
Capacitabine (gland)

Chemical Name* CAS No.* Purity %
Ceramide II 100403-19-8 97.86

Chemical Name* CAS No.* Purity %
Cefepime Related Compound E 103121-85-3 95.12
Cefepime Hydrochloride 123171-59-5 95.57
Cefepime 88040-23-7 95.67

Chemical Name* CAS No.* Purity %
Cefotaxime Sodium EP Impurity A 65052-63-3 95.89
Cefotaxime Acid (Free acid) 63527-52-6 95.26
Cefotaxime Sodium (Na) 64485-93-4 95.57
Cefotaxime Sodium (S) -USP NA 95.98

Chemical Name* CAS No.* Purity %
Cefprozil Mono Hydride 92665-29-7 95.56

Chemical Name* CAS No.* Purity %
Clarithromycin EP Impurity  H 127140-69-6 95.87
Clarithromycin EP Impurity  G 127182-44-9 96.13
Clarithromycin EP Impurity J 13127-18-9 96.65
Clarithromycin API 81103-11-9 98.10
Clarithromycin EP Impurity D 101666-68-6 97.12

Chemical Name* CAS No.* Purity %
Ceftriaxone Sodium 104376-79-6 95.45
Ceftriaxone Sodium Sterile USP  104376-79-6 95.68

Chemical Name* CAS No.* Purity %
Cephalothin Lactone 10590-10-0 95.25
Cephalothin Impurity A 34691-02-6 95.46
Cephalothin Impurity B 58-71-9 95.89

Chemical Name* CAS No.* Purity %
Cefoperazone Sodium 62893-20-3 95.78
Cefoperazone Acid 62893-19-0 95.35

Chemical Name* CAS No.* Purity %
Cefuroxime 55268-75-2 95.30

Chemical Name* CAS No.* Purity %
Clobetasol Propionate Impurity F 2412496-00-3 96.23
Clobetasol Propionate Impurity E NA 96.25

Chemical Name* CAS No.* Purity %
Carvedilol Impurity NA 95.56

Chemical Name* CAS No.* Purity %
Cisplatin Impurity A 14913-33-8 98.56

Chemical Name* CAS No.* Purity %
Cytosine Impurity 71-30-7 96.12

Chemical Name* CAS No.* Purity %
Cefdinir API 91832-40-5 95.45

Chemical Name* CAS No.* Purity %
Desacetyl acaphalothin Impurity D

Chemical Name* CAS No.* Purity %
Diatrizoic acid Impurity A 1713-07-1 95.67

Chemical Name* CAS No.* Purity %
Decitabine 2353-33-5 97.24

Chemical Name* CAS No.* Purity %
Daunorubicin Hydrochloride 23541-50-6 96.34

Chemical Name* CAS No.* Purity %
Doxorubicinone Hydrochloride 25316-40-9 97.56
Doxorubicinone 24385-10-2 97.43

Chemical Name* CAS No.* Purity %
Danorubicinone 21794-55-8 97.14

Chemical Name* CAS No.* Purity %
Dasatinib Impurity A 302964-24-5 95.70
Dasatinib Impurity B 1780-26-3 95.65
Dasatinib Impurity C 910297-51-7 95.35
Dasatinib Impurity D 302964-08-5 95.76
Dasatinib N-Oxide 910297-52-8 95.78
Dasatinib Impurity E 1159977-13-5 95.89

Chemical Name* CAS No.* Purity %
Dextromethorphan Impurity C 57969-05-8 95.12
Dextromethorphan Impurity B 125-73-5 95.12

Chemical Name* CAS No.* Purity %
4-EPI-6-Oxo-Docetaxel -D 162784-72-7 97.34
6-Oxo-Docetaxel – B 167074-97-7 96.15
4-EPI-Docetaxel -C 153381-68-1 97.45

Chemical Name* CAS No.* Purity %
Alpha-Diethyl ethanolamine Dicyclohexylketone NA 95.23

Chemical Name* CAS No.* Purity %
Eberconazole Hydroxy derivative 130126-89-5 95.47
Efinaconazole Impurity (PDR) 2055912-03-1 95.68

Chemical Name* CAS No.* Purity %
Erlotinib Ester 179688-27-8 95.78
Erlotinib Chloro Impurity 183322-18-1 95.34
Erlotinib -6-O-Chloro ethyl Analog (Mixture) 183320-04-9                                     183320-19-6 95.45
Erlotinib Impurity (Reaction with 3-Vinylaniline) NA 95.46
Erlotinib Hydrochloride(Tarceva) 183319-69-9 95.47

Chemical Name* CAS No.* Purity %
Erythromycin 114-07-8 95.37
Erythromycin EP Impurity E (Ethyl ether) 33396-29-1 95.86
Erythromycin Impurity A /Oxime / Clarithromycin Impurity J 13127-18-9 95.65
Erythromycin Impurity A 76820-32-1 95.78

Chemical Name* CAS No.* Purity %
2-Dimethylamino fingolimod 1404433-87-9 95.42
Fingolimod Decyl Homolog 780729-32-0 95.12
Fingolimod (2-(4-Octyl phenethyl) 851039-25-3 96.26
Fingolimod Decyl Homolog 780729-32-0 96.65
Fingolimod Nitro diol 374077-88-0 95.36
Fingolimod Hexyl 1201794-93-5 95.47
Fingolimod Heptyl 745767-97-9 95.36
Fingolimod Nonyl 296282-40-1 95.26
Fingolimod 2-Phenyl 851039-25-3 95.47
Fingolimod 3-Phenyl 851039-24-2 95.57

Chemical Name* CAS No.* Purity %
Febuxostat API 144060-53-7 95.47
Febuxostat Impurity – III & Febuxostat Impurity – V NA 95.47

Chemical Name* CAS No.* Purity %
Gemcitabin API 95058-81-4 95.89
Gemcitabin Alpha anomer NA 96.23

Chemical Name* CAS No.* Purity %
Ganciclovir EP Impurity E (USP RC A) 86357-09-7 96.17

Chemical Name* CAS No.* Purity %
Gadodiamide Impurity B 92923-64-3 95.67

Chemical Name* CAS No.* Purity %
Glycopyrrolate Related Compoundd C 427-49-6 96.25

Chemical Name* CAS No.* Purity %
Gabapentin RC-7 (Free base) NA 95.35
Gabapentin Impurity A 64744-50-9 96.47
Gabapentin API 60142-96-3 96.24
Gabapentin Impurity B 133482-09-1 95.47
Gabapentin Impurity E 67950-95-2                                     667465-00-1 96.12
Gabapentin Impurity D 1076198-17-8 98.36
Gabapentin Amide Impurity – RC-5 NA 96.58

Chemical Name* CAS No.* Purity %
Guanylribosyl urea 926-72-7 96.47

Chemical Name* CAS No.* Purity %
Hydroxy Chloroquine Sulphate 47493-14-1 95.47
Hydroxy ChloroQuine Sulfate 747-36-4 95.49

Chemical Name* CAS No.* Purity %
Hydrocortisone 50-23-7 95.39

Chemical Name* CAS No.* Purity %
Halobetasol propionate 66852-54-8 95.86

Chemical Name* CAS No.* Purity %
Iso propyl ether aberaterone 2484719-15-3 95.12

Chemical Name* CAS No.* Purity %
Iohexol Impurity C 76820-34-3 95.34
Iohexol Impurity B 76801-93-9 95.67
Iohexol Impurity A 31127-80-7 95.38

Chemical Name* CAS No.* Purity %
Ioversol Impurity C 13290-96-5 95.46

Chemical Name* CAS No.* Purity %
Iopamidol Impurity B 77868-41-8 95.29

Chemical Name* CAS No.* Purity %
Imatinib N-Oxide Impurity 571186-93-1 95.46

Chemical Name* CAS No.* Purity %
Levodopa Impurity A 27244-64-0
Levodopa Rs 141505-33-1

Chemical Name* CAS No.* Purity %
Lenolidomide Impurity B 2197414-57-4
Lenolidomide Impurity D 295357-66-3

Chemical Name* CAS No.* Purity %
Lysolecithin 14863-27-5 96.15

Chemical Name* CAS No.* Purity %
Lapatinib Related Compound JQ(Formyl1) 231278-84-5 96.12
Lapatinib Related Compound KL 231278-20-9 95.46

Chemical Name* CAS No.* Purity %
Lansoprazole Sulfone N-Oxide 953787-54-7 98.37

Chemical Name* CAS No.* Purity %
Losartan Intermediate (N-(Triphenylmethyl)-5-(4’bromo methyl -biphenyl)-2-yl)tetrazole 124750-51-2 95.89

Chemical Name* CAS No.* Purity %
Methotrexate Impurity C 2410-93-7 97.34
Methotrexate Impurity B 54-62-6 97.37
Methotrexate Impurity E 19741-14-1 98.34
Methotrexate Impurity D 5623-18-7

Chemical Name* CAS No.* Purity %
Methyl-Mercapto Benzothirazole 149-30-4 96.46

Chemical Name* CAS No.* Purity %
Melphalan Dimer 2238824-43-4 97.45
Melphalan Impurity G NA 96.25
Melphalan Mono hydroxy EP Impurity D (Free base) 61733-01-5 95.78
Melphalan EP Impurity J NA 96.37
Melphalan Methyl ester 88457-23-2 96.12

Chemical Name* CAS No.* Purity %
Melamine 108-78-1 96.23
Monoguanyl melamine.HCL 2959-04-8 96.28
Monoguanyl melamine.HCL – EP -B 2959-04-8 (4405-08-7) 96.39

Chemical Name* CAS No.* Purity %
Metformin HCL Impurity E 1674-62-0 97.39
Metformin Impurity F 506-59-2 96.30

Chemical Name* CAS No.* Purity %
Methyl Indole-4- Carboxylate 39830-66-5 95.39

Chemical Name* CAS No.* Purity %
Ondanserton Related Compound D 99614-64-9 97.38
Ondanserton Related Compound C 27387-31-1 97.96

Chemical Name* CAS No.* Purity %
Oxaliplatin Di Aqua impurity 1613271-93-4 95.48
Oxaliplatin Di Iodo impurity NA 95.89

Chemical Name* CAS No.* Purity %
Oseltamivir Acid Impurity 187227-45-8 95.38
Oseltamivir Ester Impurity 1346604-18-9 95.83

Chemical Name* CAS No.* Purity %
Propofol Related Compound B 74926-89-9 97.29
Propofol Impurity J 1988-11-0 97.63

Chemical Name* CAS No.* Purity %
Permetrexed R & S dimer Impurity 1644286-34-9 95.93

Chemical Name* CAS No.* Purity %
Paclitaxel 7-Epi-Impurity 105454-04-4 95.83
Paclitaxel Baccatin-III 27548-93-2 95.38
Paclitaxel 10-deacetyl 78432-77-6 95.82
7-EPI-10-Deacorel Paclitaxel 78454-17-8 95.11

Chemical Name* CAS No.* Purity %
Rivastigmine Impurity E NA 95.92
Rivastigmine Impurity F 1346602-84-3 95.37

Chemical Name* CAS No.* Purity %
N-Desmethyl Rizatriptan Impurity 1215678-02-6 95.62
Rizatriptan N-Methyl adduct )Trimethylamine 1030849-63-8 95.52
Rizatriptan-5-(Desmethyl) 144034-84-4 95.45
Rizatriptan Benzoate 145202-66-0 95.25
Rizatriptan Impurity Isomer 174610-17-4 95.73
Rizatriptan Impurity (Primary amine) 144035-23-4 95.26

Chemical Name* CAS No.* Purity %
Rucafarib Dimer NA 95.39

Chemical Name* CAS No.* Purity %
Sulfasalazine Impurity D 66364-70-3 95.27
Sulfasalazine Impurity I – Mixture NA 95.32
Sulfasalazine Impurity C 66030-25-9 95.72
SulfasalazineImpurity 1 599-79-1 95.93
Sulfasalazine Impurity A NA 95.39
Sulfasalazine Impurity J 144-83-2 95.63
Sulfasalazine Impurity B NA 95.63
Sulfasalazine Impurity D 66364-70-3 95.27
sulfasalazine 2-hydroxy-5-(-4-Sulfomoyl phenyl)-azo-benzoic acid 42753-53-7 95.16
Sulfasalazine -5-Amino salicyclic acid 89-57-6 95.28
Sulfasalazine Impurity G 1391062-37-5 95.37

Chemical Name* CAS No.* Purity %
Sunitinib di desethyl 1217216-61-9 95.29
Sunitinib Ethyl amide – Impurity D 1467015-10-6 95.28
Sunitinib Des ethyl – Impurity A 356068-97-8 95.29
Sunitinib – N-Oxide-Impurity B 356068-99-0 95.94
Sunitinib Malate 341031-54-7 95.26
Sunitinib E& Z Isommer (Z-Isomer) 557795-19-4 95.62
Sunitinib Impurity C 1186651-51-3 95.27
Sunitinib Carbaxylic acid 452105-33-8 95.22

Chemical Name* CAS No.* Purity %
Isopropyl SorafenibTorylate – Stage II 2206827-14-5 95.28
Ethyl Sorafenib – Stage – II NA 95.29
Meta Isomer- Sorafenib – Stage -II NA 95.10
Sorafenib Tap isomer NA 95.20
Sorafenib – Stage -II 284462-37-9 95.16
Sorafenib acid-Stage-II NA 95.28
Sorafenib N-Oxide 583840-03-3 95.74
Sorafenib Methyl ester 573673-43-5 95.72
Sorafenib Acid Impurity NA 95.28

Chemical Name* CAS No.* Purity %
Sulbactum Sodium Impurity 69388-84-7 95.92
Sulbactum Sodium Sterile 69388-84-7 95.20
Salbutamol Impurity F 147663-30-7 95.39
Salbutamol Impurity EP F y0000031

Chemical Name* CAS No.* Purity %
Sumatriptan Related Compound A 545338-89-4 95.19
Sumatriptan Impurity B 88919-51-1 95.29
Sumatriptan Impurity C 1797905-62-4 95.10
Sumatriptan Impurity D 212069-94-8 95.63
Sumatriptan Impurity E 88919-22-6 95.74
Sumatriptan EP Impurity B 88919-51-1 95.32
Sumatriptan EP Impurity F 2074615-63-5 95.28
Sumatriptan EP Impurity G 2074614-56-3 95.39
Sumatriptan Succinate 103628-48-4 95.10

Chemical Name* CAS No.* Purity %
Temozolamide Impurity A 360-97-4 96.28
Temozolamide Impurity D 7008-85-7 96.19
Temozolamide Impurity E 4656-86-4 96.10
Temozolamide acid Impurity B 113942-30-6 96.02
N-Alkyl Temazolamide Impurity 114601-31-9 95.19
Temozolamide Impurity C 114601-31-9 95.73
Temozolamide API 85622-93-1 95.39

Chemical Name* CAS No.* Purity % Vildagliptan Amide Impurity 565453-39-6

Chemical Name* CAS No.* Purity %
Voriconazole related Compound D 182369-73-9 96.19
Voriconazole related Compound B 137234-63-0 96.72
Voriconazole Impurity NA 96.10
Voriconazole Triphenyl methanol 76-84-6 97.19
Voriconazole related Compound D 182369-73-9 97.19
Voriconazole related Compound C 86404-63-9 97.27
Voriconazole EP Impurity C 137234-88-9 97.28
Voriconazole Impurity D 182369-73-9 97.17
Voriconazole related Compound A 182230-43-9 96.10