Products

API IMPURITIES

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
  1 Abiraterone  Acetate Abiraterone Acetate WS 154229-18-2
  2 Abiraterone 154229-19-3
  3 Abiraterone Ethyl ether NA
 4 Abiraterone isopropyl ether NA
 5 Abiraterone Acetate N-Oxide NA
  6 Abiraterone Acetate Alpha-Epoxide NA
  7 Abiraterone Acetate Beta-Epoxide NA
  8 Abiraterone Anhydro Impurity 154229-20-6
  9 Abiraterone Tosylate Impurity NA
  10 3-Deoxy-3-chloroabiraterone NA
  11 Abiraterone O-Chlorobutyl Impurity

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
  1 Aciclovir Aciclovir WS 59277-89-3
  2   O-Acetyl Acyclovir 102728-64-3
  3   2-Amino-1,9-dihydro-6H-purin-6-one 73-40-5
  4   Aciclovir N7-Isomer 91702-61-3
  5   N2-Acetyl Aciclovir 110104-37-5
  6   Aciclovir N,O-Diacetate 75128-73-3
  7   2-Amino-9-(2-hydroxyethyl)1,9-dihydro-6H-purin-6-one 23169-33-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
  1 Anastrozole Anastrozole WS 120511-73-1
  2 Anastrozole 1,3-Dicyanomethyl Impurity 120511-74-2
 3 Anastrozole Diamide Impurity 120512-04-1
 4 Anastrozole Monoamide Impurity 120512-03-0
 5 α- Desmethyl Anastrozole 1215780-15-6
 6 Anastrozole Monobromo Impurity 120511-84-4
 7 Anastrozole Dibromo Impurity 1027160-12-8
 8 3,5-Bis(2-cyanoprop-2-yl)toluene 120511-72-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
 1  Azithromycin Azithromycin PTSA 612069-31-5
 2 (Azithromycin N-oxide) Imp. A 90503-06-3
 3 Desosaminyl Azithromycin 117693-41-1
 4 N-Demethyl Azithromycin 172617-84-4
 5 Amino Azithromycin 612069-27-9
 6 Methyl formamido analog 612069-28-0
 7 3′-(N,N-Didemethyl)-3′-N-formylazithromycin 765927-71-7
 8 3’-Des(dimethylamino)-3’-keto Azithromycin 612069-25-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Bendamustine Hydrochloride Bendamustine Hydrochloride WS 3543-75-7
2 Dideschloroethyl Bendamustine ; NA
3 Bendamustine Isopropyl Ester 1313020-25-5
4 Bendamustine Methyl Ester
5 Bendamustine Monohydroxy Acid Ethyl Ester 898224-95-8
6 Bendamustine N-Desmethyl Impurity 31349-38-9
7 Bendamustine Nitro Ethyl Ester Impurity 3543-72-4
8 Bendamustine Dihydroxy Acid Ethyl Ester 3543-74-6
9 Deschloroethyl Bendamustine HCl 1219709-86-0 (base)
10 Hydroxy Bendamustine HCl 109882-27-1 (base)
11 Bendamustine Acid Ethyl Ester (HCl Salt) 87475-54-5 (base)

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Bortezomib Bortezomib WS 179324-69-7
2 Bortezomib (2R)-Acid 1608986-16-8
3 (2R)-Bortezomib Acid Methyl Ester NA
4 (1S,2R)-Bortezomib ; 1132709-16-0
5 Bortezomib Acid Methyl Ester 73058-37-4
6 (2S)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanamide 289472-80-6

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Cefalotin Sodium Cefalotin Sodium WS 58-71-9
2   Cefalotin EP Impurity A NA
3   Cefalotin EP Impurity B 5547-29-5 (sodium salt) 5935-65-9 (acid)
4   Cefalotin EP Impurity C 957-68-6
5   Cefalotin EP Impurity D 10590-10-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Ceftriaxone Disodium Salt Hemiheptahydrate Ceftriaxone Disodium Salt Hemiheptahydrate WS 104376-79-6
2   Ceftriaxone EP Impurity A 92143-31-2
3   Ceftriaxone EP Impurity B 66340-33-8
4   Ceftriaxone EP Impurity C 58909-39-0
5   Ceftriaxone EP Impurity D 80756-85-0
6   Ceftriaxone EP Impurity E 58909-56-1

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
  1 Ceftaroline Fosamil Ceftaroline Fosamil WS 400827-46-5
  2   Ceftaroline Fosamil Impurity 13 NA
  3   Ceftaroline Fosamil Impurity 17 1427207-46-2
  4   Ceftaroline Fosamil Impurity 15 NA
  5   Ceftaroline Fosamil Impurity 21 NA
  6   Ceftaroline Fosamil Impurity 10 1286218-72-1

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
   1 Clarithromycin Clarithromycin WS 81103-11-9
  2 N-Desmethyl Clarithromycin 101666-68-6
  3 Erythromycin A Oxime 13127-18-9
  4 Clarithromycin 9-Oxime 103450-87-9
  5 Clarithromycin EP Impurity E 81103-14-2
  6 Clarithromycin EP Impurity R 992-62-1
  7 Clarithromycin EP Impurity Q 118074-07-0
  8 Clarithromycin EP Impurity N 144604-03-5
  9 Clarithromycin EP Impurity I 118058-74-5
 10 Clarithromycin EP Impurity H 127140-69-6

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
   1 Clopidogrel Clopidogrel WS 113665-84-2
  2   Clopidogrel Acid R-Isomer 324757-50-8
  3   Clopidogrel Racemate NA
  4   Clopidogrel USP Related Compound B 144750-52-7
  5   Clopidogrel Thienylethyl Impurity (HCl salt) 141109-19-5
  6   4,5,6,7-Tetrahydrothieno[3,2-c] pyridine hydrochloride 28783-41-7
  7   Clopidogrel EP Impurity C 120202-71-3

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
   1 Capecitabine Capecitabine WS 154361-50-9
  2 Capecitabine USP RC A 66335-38-4
  3 Capecitabine USP RC B 3094-09-5
  4 Capecitabine USP RC C 921769-65-5
  5 Capecitabine 2-Methylbutyloxy Impurity (USP) 910129-15-6
  6 Capecitabine 3-Methylbutyloxy Impurity (USP) 162204-30-0
  7 Capecitabine Diacetyl Impurity (USP) 162204-20-8

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
  1 Cefepime Hydrochloride Cefepime Hydrochloride WS 123171-59-5
  2 Cefepime EP Impurity A 97164-57-3
  3 Cefepime EP Impurity B WS
  4 Cefepime EP Impurity C 104301-63-5
  5 Cefepime EP Impurity D 65872-41-5
  6 Cefepime EP Impurity E 103121-85-3
  7 Cefepime EP Impurity G 120-94-5

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Diatrizoric acid Diatrizoric acid WS 737-31-5

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Dasatinib Dasatinib WS 302962-49-8
2 Dasatinib N-oxide 910297-52-8
3 Dasatinib deshydroxyethyl 910297-51-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Docetaxel 10-Deacetylbaccatin III 32981-86-5
2 6-oxo docetaxel 167074-97-7
3 7-Epi Docetaxel 153381-68-1
4 4-Epi-6-Oxo Docetaxel 162784-72-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Dolutegravir  DOS-Pharma 1051375-19-9
2 Hydroxy Compound 1051375-16-6
3 Methyl Dolutegravir 1335210-35-9
4 Dolutegravir Hydroxy Impurity NA
5 2,4-DFBA Dimer Impurity NA
6 Enantiomer Impurity 1309560-49-3
7 Isomer-I Impurity 1357289-29-2
8 Isomer-II Impurity NA
9 2,6-Difluoro Impurity NA
10 4-Fluoro-Impurity 1863916-88-4
11 2-Fluoro-Impurity 1863916-87-3
12 Tri Cyclic Acid Impurity 1246616-73-8
13 Dolutegravir Aldehyde Impurity NA
14 Benzyl Impurity NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Erythromycin Erythromycin WS 114-07-8
2   3″-N-Desmethylerythromycin 992-62-1
3   Erythromycin F NA
4   Erythromycin E NA
5   Anhydroerythromycin 23893-13-2
6   Erythromycin  Enol Ether 33396-29-1
7   Pseudoerythromycin  Enol Ether 105882-69-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Esomeprazole Esomeprazole WS 119141-88-7
2 Esomeprazole EP Impurity A 37052-78-1
3 Esomeprazole EP Impurity B 110374-16-8
4 Esomeprazole EP Impurity C 73590-85-9
5 Esomeprazole EP Impurity D 88546-55-8
6 Esomeprazole EP Impurity E 176219-04-8
7 Esomeprazole EP Impurity F 161796-77-6
8 Esomeprazole Potassium 161796-84-5
9 Esomeprazole Sodium 161796-78-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Efinaconazole Efinaconazole Impurity 17 NA
2 Efinaconazole Impurity 13 c
3 Efinaconazole Impurity 16 148133-82-8

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
   1 Fexofenadine HCl Fexofenadine Hcl WS 153439-40-8
   2   Fexofenadine (Base) 885946-90-7
  3   Fexofenadine EP Impurity A 76811-98-8
  4   Fexofenadine EP Impurity B 479035-75-1 (base)
   5   Fexofenadine EP Impurity C 185066-37-9 (base)
  6   Fexofenadine EP Impurity D 154825-96-4
   7   Fexofenadine EP Impurity E 115-46-8
   8   Fexofenadine EP Impurity F NA
  9   Fexofenadine EP Impurity G 1187954-57-9

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Fingolimod Fingolimod Hexyl impurity 1201794-93-5
2 Fingolimod Heptyl impurity 745767-97-9
3 Fingolimod Nonyl impurity 296282-40-1
4 Fingolimod Decayl impurity 780729-32-0
5 3-Phenethyl Fingolimod 851039-24-2
6 2-Phenethyl Fingolimod 851039-25-3
7 Dimethyl impurity Fingolimod 1404433-87-9
8 Nitro hydroxyl Diol Fingolimod 899822-99-2
9 Nitro Diol Fingolimod 374077-88-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
    1 Gabapentin 1-(Aminomethyl)cyclohexaneacetic acid 60142-96-3
    2   3-Azaspiro-[4,5]decan-3-one 64744-50-9
    3   (1-Cyanocyclohexyl)acetic acid 133481-09-1
    4   (1-(3-Oxo-2-aza-spiro[4.5]dec-2-ylmethyl)-cyclohexyl)acetic acid 1076198-17-8
    5   Carboxymethyl-cyclohexanecarboxylic acid 667465-00-1
    6   1-Cyanocyclohexaneacetonitrile 4172-99-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Gadobutrol Gadobutrol WS 770691-21-9

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
   1 Gadoteric acid Gadoteric acid WS 72573-82-1

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
    1 Gefitinib Gefitinib WS 184475-35-2
    2 Gefitinib Impurity A NA
   3 Gefitinib Impurity B NA
   4 Gefitinib Impurity C NA
    5 Gefitinib Impurity D NA
    6 3-chloro-4-fluoro aniline 367-21-5
   7 N-(3,5-dichloro-4-fluoro phenyl)-7-methoxy-6-(3-morpholin-4-ylpropoxy)quinazolin-4-amine NA
    8 7-Methoxy-6-(3-morpholinopropoxy)-3,4-di hydro-4-quinazolinone NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Gemcitabine Hydrochloride Gemcitabine Hydrochloride WS 122111-03-9
    2 Gemcitabine 3-Epimer 103882-85-5
    3 Gemcitabine EP Impurity A 71-30-7
    4 Gemcitabine EP Impurity B 122111-05-1 (HCl salt) ; 95058-85-8 (base)

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Imatinib Imatinib Ws 152459-95-5 ·
    2   Imatinib (Piperidine)-N,N-DiOxide 571186-93-1
    3   Imatinib (Piperidine)-N4-Oxide 938082-57-6
    4   Imatinib (Pyridine)-N-Oxide 571186-92-0
    5   Imatinib Carboxylic Impurity 106261-49-8
    6   Imatinib Diamine N1-Formyl Impurity NA
    7   Imatinib Diamine N1-Formyl N3-Methyl Impurity NA
    8   Imatinib Dimethylamino Impurity 55314-16-4
     9   Imatinib Guanidino Impurity 581076-65-5 (base)
    10   Imatinib N-Desmethyl Impurity 404844-02-6
    11   Imatinib Diamine Impurity 152460-10-1
    12   1-Methylpiperazine dihydrochloride 109-01-3 (base) ; 34352-59-5 (2 HCl salt)
    13   Imatinib EP Impurity I 506-59-2
    14   Imatinib Mesylate 220127-57-1 (Mesylate)
    15   Imatinib meta-MPM Impurity 1246819-59-9
    16   Imatinib N-Acetyl Impurity
    17   Imatinib para-PPA Impurity 1026753-54-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Iodixano Iodixano WS 92339-11-2
     2   Iodixanol EP Impurity B 31127-80-7
     3   Iodixanol EP Impurity C 171897-74-8
     4   Iodixanol EP Impurity E 255376-57-9
     5   Iodixanol EP Impurity F 171897-73-7
     6   Iodixanol EP Impurity G 171897-72-6

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Iohexol Iohexol WS 66108-95-0
     2 Iohexol EP Impurity A 31127-80-7
    3 Iohexol EP Impurity J 76801-93-9
     4 Iohexol EP Impurity K 35453-19-1
    5 Iohexol EP Impurity L 37441-29-5
     6 Iohexol USP Related Compound C 76820-34-3
     7 Iodixanol EP Impurity I NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Iopamidol Iopamidol WS 60166-93-0
     2 Iopamidol EP Impurity A 60166-98-5
    3 Iopamidol EP Impurity B 77868-41-8
    4 Iopamidol EP Impurity C 87932-07-8
    5 Iopamidol EP Impurity D 87932-11-4
    6 Iopamidol EP Impurity E 60166-92-9
    7 Iopamidol EP Impurity E 60166-92-9
     8 Iopamidol EP Impurity F 1869069-71-5
    9 Iopamidol EP Impurity G 1869069-72-6

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Iopromide Iopromide WS 73334-07-3
     2   Iopromide Related compound A 154361-51-0 
    3   Iopromide Related compound B 76350-28-2

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Ioversol Ioversol WS NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Lapatinib Lapatinib WS 231277-92-2
2   Lapatinib JC 320337-48-2
3   Lapatinib JQ 231278-84-5
4   Lapatinib KL 231278-20-9

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Letrozole Letrozole WS 112809-51-5
     2   Letrozole EP Impurity A 112809-52-6
    3   Letrozole EP Impurity B 113402-31-6

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Lysolecithin Lysolecithin 14863-27-5

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Melphalan 4-[bis(2-Chloroethyl)amino]-3-chloro-L-phenylalanine 3-Chloromelphalan NA
    2 4-[[2-[[4-[bis(2-Chloroethyl)amino]-L-phenylalanyl]oxy]ethyl](2-chloroethyl)amino]-L-phenylalanine NA
    3 Methyl 4-[bis(2-Chloroethyl)amino]-L-phenylalaninate NA
    4 4-[(2-Chloroethyl)(2-methoxyethyl)amino]-L-phenylalanine dihydrochloride NA
    5 4-[[2-(2-Chloroethoxy)ethyl](2-chloroethyl)amino]-L-phenylalanine NA
    6 N-Ethylethanamine (Diethylamine) 109-89-7(base)

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Metformin HCl Metformin HCl WS 1115-70-4 (HCl salt) ; 657-24-9 (base)
    2 Metformin EP Impurity A 461-58-5
    3 Metformin EP Impurity B 2959-04-8 (HCl salt) ; 4405-08-7 (base)
    4 Metformin EP Impurity C 1985-46-2
    5 Metformin EP Impurity D 108-78-1
    6 Metformin EP Impurity E 1674-62-0 (HCl salt) ; 1609-00-3 (base)
    7 Metformin EP Impurity F 506-59-2

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Melitracen Melitracen WS 5118-29-6

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
      1 Metolazone Metolazone WS 17560-51-9

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Oxaliplatin Oxaliplatin WS 61825-94-3
     2   Oxaliplatin USP-B 94042-08-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
    1 Paclitaxel Paclitaxel WS 33069-62-4
     2   Paclitaxel EP Impurity A 173101-54-7
    3   Paclitaxel EP Impurity B 71610-00-9
    4   Paclitaxel EP Impurity C 153415-45-3
    5   Paclitaxel EP Impurity D 150547-36-7
     6   Paclitaxel EP Impurity E 105454-04-4

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Pemetrexed Pemetrexed WS 137281-23-3
2 Pemetrexed Keto impurity 193281-00-4
3 Pemetrexed 6-Oxo DiMethyl Este 1320346-45-9
4 Pemetrexed Acid 137281-39-1
5 Pemetrexed Acid Methyl Este 155405-80-4
6 Pemetrexed Diethyl Ester 146943-43-3
7 Pemetrexed Dihydro 6-Oxo Acid Methyl Ester 1320346-43-7
8 Pemetrexed EP Impurity D NA
9 Pemetrexed N-Methyl Dimethyl Ester NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Picloxydine Picloxydine Ws 5636-92-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
 1 Propofol dimer Propofol dimer 2416-95-7

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Rizatriptan Rizatriptan Benzoate 145202-66-0
2 Rizatriptan Didesmethyl Impurity 144035-23-4
3 Rizatriptan Impurity A NA
4 Rizatriptan Impurity B NA
5 Rizatriptan Impurity C 208941-96-2
6 Rizatriptan Impurity D NA
7 Rizatriptan Impurity E NA
8 Rizatriptan Impurity F NA
9 Rizatriptan Impurity G 1000673-59-5
10 Rizatriptan Impurity H 260435-42-5
11 Rizatriptan Impurity I 144034-84-4

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Rivastigmine 3-Nitrophenyl ethyl(methyl)Carbamate Rivastigmine Carbamate Impurity 1346242-31-6
2 N,N-Diethylcarbamic acid 3-[(1S)-1-(Dimethylamino)ethyl]phenyl ester 1230021-34-7
3 Rivastigmine Phenol Impurit 3-[(1S)-1-(Dimethylamino)ethyl]phenol Rivastigmine Impurity A 139306-10-8
4 (S)-3-[1-(Dimethylamino)ethyl]phenyldimethylcarbamate tartrate Rivastigmine  Impurity B 25081-93-0 rac base
5 3-Acetylphenyl ethyl(methyl)Carbamate Rivastigmine Impurity  C 855300-09-3
6 Rivastigmine R-Isomer Tartrate Rivastigmine EP Impurity D 415973-05-6
7 N-Desmethyl Rivastigmine Rivastigmine EP Impurity E 923035-05-6
8 (1S)-1-(3-Methoxyphenyl)-N, N-dimethylethanamine tartrate Rivastigmine Impurity F 889443-69-0
9 1-(3-Methoxyphenyl)ethanol Rivastigmine Impurity G 23308-82-9
10 1-(3-Methoxyphenyl)ethanone Rivastigmine EP Impurity H 586-37-8
11 (S)-N,N-Dimethyl-1-[3-(4-nitrophenoxy)phenyl]ethanamine tartrate Rivastigmine Ether Impurity 1346242-32-7
12 3-[(1S)-1-(Dimethylamino) ethyl]phenylmethylethylcarbamate N-Oxide Rivastigmine N-Oxide 1369779-37-2
13 (S)-N-Ethyl-3-[(1-dimethylamino)ethyl]-N-methylphenylcarbamate tartrate Rivastigmine Tartrate 129101-54-8
14 (+)-Di-p-toluoyl-D-(+)-tartaric acid Rivastigmine RC A 32634-68-7
15 N-Methyl Rivastigmine Chloride Rivastigmine RC E NA
16 3-Vinylphenyl ethyl(methyl)Carbamate Rivastigmine RC F 1346602-84-3

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Rucaparib 5-Fluoro-2- methylbenzoicAcid 33184-16-6
2 Methyl 5-fluoro-2-methyl-3-nitrobenzoate 697739-03-0
3 5-Fluoro-2-methyl-3-nitrobenzoic acid 850462-64-5
4 Methyl 6-Fluoro-3-(2-Nitroethyl)-1H-Indole-4-Carboxylate 1082040-43-4
5 4Methyl 6-fluoro-1H-indole-4-carboxylate 1408282-26-7
6 2-Bromo-8-fluoro-4,5-dihydro-1H-azepino[5,4,3-cd]indol-6(3H)-one 283173-80-8
7 5-bromo-2,3,4,6-tetrahydro1H-azepino[5,4,3-cd]indol-1-one 283173-72-8
8 6-Fluoro-1H-indole-4-carboxylic acid 908600-71-5
9 4-(8-fluoro-1-oxo-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-5-yl)benzoic acid 1577998-89-0
10 4-(1-oxo-2,3,4,6-tetrahydro-1H- 283173-74-0
11 azepino[5,4,3-cd]indol-5-yl)benzaldehyde
12 Methyl indole-4-carboxylate 101277-72-9
13 Aldehyde impurity NA
14 1,3,4,5-tetrahydro-6H-Pyrrolo[4,3,2ef][2]benzazepin-6-one 38073-22-2
15 8-Fluoro-2-{4-[(methylamino)methyl]phenyl}-1,3,4,5-tetrahydro-6H-azepino[5,4,3-cd]indol-6-one 283173-50-2
16 5-(4-((methylamino)methyl)phenyl)-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one 287173-02-4
17 5-(4-(aminomethyl)phenyl)-8-fluoro-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one 1577983-73-3
18 5-(4-((dimethylamino)methyl)phenyl)-8-fluoro-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one 936736-28-6
19 4-(8-fluoro-1-oxo-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-5-yl)benzamide NA
20 4-(8-fluoro-1-oxo-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-5-yl)-N-methylbenzamide 1577999-02-0
21 8-fluoro-5-(4-(hydroxymethyl)phenyl)-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one 1577983-65-3
22 (E)-8-fluoro-5-(4-((methylimino)methyl)phenyl)-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one 1424059-28-8
23 Des fluoro alcohol impurity NA
24 8-fluoro-5-phenyl-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one 1577982-06-9
25 8-fluoro-5-(p-tolyl)-2,3,4,6-tetrahydro-1H-azepino[5,4,3-cd]indol-1-one NA
26 4-((Dimethylamino)methyl)phenylboronic acid 70799-12-1
27 [4-(methylaminomethyl)phenyl]boronic acid 518336-26-0
28 Rucaparib Dimer NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
      1 Sunitinib Sunitinib WS 557795-19-4
     2   Sunitinib Aldehyde Impurity 356068-86-5
     3   Sunitinib Amide Impurity 1186651-51-3
    4   Sunitinib Carboxylic Acid Impurity 452105-33-8
     5   Sunitinib Ketone Impurity NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Sorafenib  Tosylate Sorafenib Tosylate 475207-59-1
2 Sorafenib base 284461-73-0
3 Sorafenib Aminophenoxy Impurity 284462-37-9
4 Sorafenib Carbamate Isopropyl Ester Impurity 2206827-14-5
5 Sorafenib Carboxylic Acid Impurity 1012058-78-4
6 Sorafenib Carboxylic Acid Methyl Ester 573673-43-5
7 Sorafenib N-Desmethyl Impurity 284461-74-1
8 Sorafenib N-Desmethyl N-Oxide 583840-04-4
9 Sorafenib N-Oxid 583840-03-3
10 Sorafenib Urea Impurity 1129683-88-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Sulfasalazine Sulfasalazine Impurity A 1391062-35-3
2 Sulfasalazine Impurity B 1391062-49-9
3 Sulfasalazine Impurity C 66030-25-9
4 Sulfasalazine Impurity D 66364-70-3
5 Sulfasalazine Impurity E 1391062-34-2
6 Sulfasalazine Impurity F 66364-71-4
7 Sulfasalazine Impurity G 1391062-37-5
8 Sulfasalazine Impurity H 69-72-7
9 Sulfasalazine Impurity I 21542-82-5
10 Sulfasalazine Impurity J 144-83-2
11 2-Aminopyridine 504-29-0
12 5-Aminosalicylic acid 89-57-6
13 2-hydroxy-5-[2-[4-[(N-pyridin-2-yl-benzenesulfamoyl)-pyridine-2-ylsulphamoyl]-phenyl]diazenyl]benzoic acid NA
14 2-hydroxy-5-[N-(4-{[4-(pyridin-2-ylsulfamoyl)phenyl]sulfamoyl}phenyl)diazen-1-yl]benzoic acid NA
15 2-hydroxy-5-(4-sulfamoylphenyl)-azo-benzoic acid NA

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
    1 Temozolomide Temozolomide WS 85622-93-1
     2 Temozolomide 2-Azahypoxanthine Impurity

4656-86-4 (base) ; 1797817-35-6 (sodium salt)
    3 Temozolomide Acid 113942-30-6
    4 Temozolomide Aminoimidazole Impurity 360-97-4
    5 4-Diazo-4H-imidazole-5-carboxamide 7008-85-7
    6 Temozolomide USP RC B 13114-72-2
    7 Temozolomide USP RC C 83-01-2

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Tramadol Tramadol WS 27203-92-5

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
     1 Tetrazepam Tetrazepam WS 10379-14-3

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
    1 Zoledronic acid Zoledronic acid WS 118072-93-8

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
    1 Zolpidem Zolpidem WS 82626-48-0

S.NO API NAME NAME OF THE COMPOUND CAS.NO STRUCTURE
1 Zopiclone Zopiclone WS 43200-80-2