| API Name | Common Name / Chemical Name | CAS No |
|---|---|---|
| Nitrosamines | N-Nitrosodimethyl amine (NDMA) | 62-75-9 |
| Nitrosamines | N-Nitrosodiethyl amine(NDEA) | 55-18-5 |
| Nitrosamines | N-Nitrosodiisopropyl amine (NDIPA) | 601-77-4 |
| Nitrosamines | N-Nitrosodibutyl amine(NDBA) | 924-16-3 |
| Nitrosamines | N-Nitrosomethylphenylamine (NMPA) | 614-00-6 |
| Nitrosamines | N-Nitrosoisopropylethylamine (NIPEA) | 16339-04-1 |
| Nitrosamines | N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) | 61445-55-4 |
| Nitrosamines | .N-Nitrosodipropylamine (NDPA) | 621-64-7 |
| Nitrosamines | N-Nitrosoethylmethylamine (NEMA) | 10595-95-6 |
| API Name | Common Name / Chemical Name | CAS No |
|---|---|---|
| Amlodipine | Amlodipine Imp- A(Phthalimido amlodipine) | 88150-62-3 |
| Amlodipine | Amlodipine imp- B | 721958-72-1 |
| Amlodipine | Amlodipine imp- D | 113994-41-5 |
| Amlodipine | Amlodipine imp- E | 140171-65-9 |
| Amlodipine | Amlodipine imp- G | 43067-01-2 |
| Aripiprazole | Impurity-A EP(7-Hydroxy-3,4-dihydro carbostyril) | 22246-18-0 |
| Aripiprazole | Impurity- C (EP)(2-Chloro impurity of Aripiprazole) | 203395-81-7 |
| Aripiprazole | Impurity- D (EP)(3-Chloro impurity of Aripiprazole) | 203395-82-8 |
| Aripiprazole | Impurity-E (EP)(Dehydro Aripiprazole) | 129722-25-4 |
| Aripiprazole | Impurity-G Aripiprazole Dimer IMP | 41797986-18-5 |
| Aripiprazole | Aripiprazole Related comp B | 1424858-02-5 |
| Aripiprazole | Armodafinil methyl Impurity | - |
| Betahistine Dihydrochloride | Betahistine EP- Imp-C (N-methyl-2-(pyridin-2-yl)-N-(2-(pyridin-2-yl)ethyl)ethan-1-amine) | 2095467-43-7 |
| Brimonidine Tartrate | 5-bromo-6-aminoquinoxaline (Imp B) | 50358-63-9 |
| Brimonidine Tartrate | 6-aminoquinoxaline (Imp C) | 6298-37-9 |
| Brimonidine Tartrate | 1,2,4-Triaminobenzene HCl | 615-47-4 |
| Brimonidine Tartrate | Brimonidine Dimer | - |
| Brimonidine Tartrate | Desbromo Brimonidine | 91147-43-2 |
| Bupropion | Hydroxy Bupropion | 357399-43-0 |
| Bupropion | Impurity E (EP) | 10557-17-2 |
| Bupropion | 2-Amino impurity | 119802-69-6 |
| Bupropion | 2-chlorobupropion | - |
| Bupropion | 4-chlorobupropion | 1346598-72-8 |
| Bupropion | 5’-chlorobupropion | 1346603-00-6 |
| Bupropion | Bupropion related compound B | 1049718-43-5 |
| Cetirizine | Cetirizine Impurity B (EP) | 942132-30-1 |
| Cetirizine | Cetirizine Impurity C (EP) | 83881-59-8 |
| Cetirizine | Cetirizine Impurity D (EP) Dimer | 346451-15-8 |
| Cetirizine | Cetirizine Impurity E (EP) | 682323-77-9 |
| Cetirizine | Cetirizine Impurity F (EP) | 83881-53-2 |
| Cetirizine | Cetirizine Impurity G (EP) | 164726-80-1 |
| Cetirizine | Methyl ester of Cetirizine (USP) | 83881-46-3 |
| Cetirizine | Ethyl ester of Cetirizine (Cetrizine rel. comp. A, USP) | 246870-46-2 |
| Cetirizine | 3-chloro impurity of Cetirizine | 1232460-29-5 |
| Desvenlafaxine | Desvenlafaxine dehydrated impurity | 1346600-38-1 |
| Desvenlafaxine | Donepezil Related compound-A | 145546-80-1 |
| Desvenlafaxine | Hydroxy Donepezil | 197010-20-1 |
| Desvenlafaxine | O-Desmethyl impurity | 120013-56-1 |
| Desvenlafaxine | Donepezil pyridine dehydro impurity | 4803-74-1 |
| Dronedarone | N-Desbutyl Dronedarone | 141626-35-9 |
| Etoricoxib | Etoricoxib-N-Oxide | 325855-71-8 |
| Ezetimibe | Ezetimibe (R,R,S) isomer ((3R,4S)-1-(4-fluorophenyl)-3-((R)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one) | 163222-33-1 |
| Linezolid | Linezolid-N-Oxide | 189038-36-6 |
| Paliperidone | Keto Paliperidone | 1189516-65-1 |
| Paliperidone | Paliperidone hydroxyl benzoyl analog USP | 152542-03-5 |
| Paliperidone | Paliperidone N-Oxide (Paliperidone Related compound-D, USP) | 761460-08-6 |
| Paliperidone Palmitate | Paliperidone Myristate | 1172995-11-7 |
| Paliperidone Palmitate | Paliperidone Stearate | 1172995-13-9 |
| Paliperidone Palmitate | Paliperidone Palmitate N-Oxide | 1404053-60-6 |
| Pioglitazone | 5-[[4-[2-(5-Ethyl-2-pyridinyl]ethoxy]phenyl]methyl]-2,4-thiazolidinedione N-oxide (Pioglitazone-N-Oxide) | 145350-09-0 |
| Prasugrel | Prasugrel Diketo impurity (1-cyclopropyl-2-(2-fluorophenyl)ethane-1,2-dione) | 1391054-37-7 |
| Risperidone | 9-Hydroxy Risperidone | 144598-75-4 |
| Risperidone | Risperidone N-Oxide | 832747-55-4 |
| Ropinirole | Ropinirole N-Oxide | 1076199-41-1 |
| Ropinirole | N-Methoxy Ropinirole | 1391051-91-4 |
| Ropinirole | Propylidene Ropinirole Impurity-C (EP) | 249622-62-6 |
| Ropinirole | Oxo impurity of Ropinirole | 102842-51-3 |
| Ropinirole | Monopropyl Ropinirole | 173990-76-6 |
| Rivaroxaban | Rivaroxaban Enantiomer (R-Isomer) | 865479-71-6 |
| Rivaroxaban | Deschloro Rivaroxaban | 1415566-28-7 |
| Rivaroxaban | Rivaroxaban Aminomethyl Base | 446292-10-0 |
| Saxagliptin | Keto Saxagliptin | N/A |
| Saxagliptin | Amide amide impurity of Saxagliptin | N/A |
| Saxagliptin | Deoxy Saxagliptin | 361441-98-7 |
| Saxagliptin | N-Formyl Saxagliptin | N/A |
| Sitagliptin | 4-Desfluoro Sitagliptin phosphate | 1345822-87-8 |
| Sitagliptin | 5-Desfluoro Sitagliptin phosphate | 1345822-86-7 |
| Tadalafil | EP-Imp-A ((6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione) |
171596-27-3 |
| Tadalafil | EP-Imp-B ((6S,12aS)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione) |
629652-72-8 |
| Tadalafil | EP-Imp-C ((6S,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione) |
171596-28-4 |
| Tamsulosin | Tamsulosin Imp. B (EP) | 112101-81-2 |
| Tamsulosin | Tamsulosin Imp. C (EP) | 2244986-82-9(base) |
| Tamsulosin | Tamsulosin Imp. D (EP) Methoxy analogue | 80223-96-7 |
| Tamsulosin | Tamsulosin Imp. G (EP) | 106463-19-8 |
| Tamsulosin | Tamsulosin Imp. H (EP) Des- sulphonamide | 1329611-47-3 |
| Tamsulosin | Tamsulosin Imp. I (EP) | 3259-03-8 |
| Valacyclovir | N-Methyl Valacyclovir Impurity-C (EP) | 1346617-39-7 |
| Valacyclovir | N-Ethyl Valacyclovir Impurity-D (EP) | 1346747-69-0 |
| Valacyclovir | Valacyclovir Rel. Comp-F (USP) | 86150-61-0 |
| Valacyclovir | Valacyclovir Impurity-H (EP) | 84499-63-8 |
| Valacyclovir | Valacyclovir Impurity-I (EP) | 102728-64-3 |
| Valacyclovir | Valacyclovir Impurity-J (EP) | 142963-63-1 |
| Valacyclovir | Valacyclovir Impurity-M (EP) | 847670-62-6 |
| Valacyclovir | D-Valacyclovir | 124832-28-6 |
| Vildagliptin | Vildagliptin acid impurity | 565453-40-9 |
| Vildagliptin | Vildagliptin Amide | 565453-39-6 |
| Vildagliptin | Vildagliptin R isomer | 1036959-27 |