Search Results - "Kumar, Y. Ravindra"

LC-MS/MS and NMR characterization of forced degradation products of mirabegron by Parsha, Swetha, Ravindra Kumar, Y., Ravichander, M., Prakash, L., Sudharani, B.

“…A rapid, precise, and reliable liquid chromatography tandem mass spectrometry (LC-MS/MS) method has been developed for the characterization of stressed…”
Get full text

A validated chiral HPLC method for the enantiomeric separation of tolterodine tartarate by Kumar, Y.Ravindra, Ramulu, G., Vevakanand, V.V., Vaidyanathan, Gopal, srinivas, Keesari, Kumar, M.Kishore, Mukkanti, K., Reddy, M.Satyanarayana, Venkatraman, S., Suryanarayana, M.V.

“…An isocratic chiral HPLC method was developed for the separation of tolterodine tartarate enantiomers. The mobile phase consists of n-hexane and isopropyl…”
Get full text

Structural identification and characterization of impurities in moxifloxacin by Kumar, Y.Ravindra, Prasad Raju, V.V.N.K.V, Kumar, R.Rajesh, Eswaraiah, S, Mukkanti, K, Suryanarayana, M.V, Reddy, M.Satyanarayana

“…In the synthesis of Moxifloxacin four prominent impurities were detected in HPLC analysis. These impurities were detected in gradient HPLC method. They were…”
Get full text

Isolation, synthesis and characterization of impurities in Celecoxib a cox-2 inhibitor by Satyanarayana, U, Rao, D.Sreenivas, Kumar, Y.Ravindra, Babu, J.Moses, Kumar, P.Rajender, Reddy, J.Tirupathi

“…During the impurity profile of Celecoxib, four polar impurities (impurity I, II, III and IV) and one non-polar impurity (impurity V) with respect to Celecoxib…”
Get full text

Application of LC–MS/MS for the identification of a polar impurity in mosapride, a gastroprokinetic drug by Kumar, Y.Ravindra, Moses Babu, J., Sarma, M.S.P., Seshidhar, B., Reddy, S.Srinivasa, Reddy, G.Sudarsan, Vyas, K.

“…In the impurity profile of mosapride a polar impurity (0.1%) was detected in HPLC with respect to mosapride. Based on the mass spectral data obtained by…”
Get full text

Impurity profile study of loratadine by Reddy, K.V.S.R.Krishna, Babu, J.Moses, Kumar, Y.Ravindra, Reddy, S.Vishnu Vardhan, Kumar, M.Kishore, Eswaraiah, S, Reddy, K.Rama Subba, Reddy, M.Sayanarayana, Bhaskar, B.Vijaya, Dubey, P.K, Vyas, K

“…Three unknown impurities in loratadine bulk drug at levels below 0.1% (ranging from 0.05 to 0.1%) were detected by a simple isocratic reversed-phase high…”
Get full text

DEVELOPMENT AND VALIDATION OF A STABILITY INDICATING UPLC METHOD, IDENTIFICATION, AND CHARACTERIZATION OF THREE DEGRADANT IMPURITIES IN PHARMACEUTICAL DOSAGE FORM OF RABEPRAZOLE SODIUM by Seshadri, Raja Kumar, Raghavaraju, T. V., Kumar, Y. Ravindra, Babu, B. Suresh, Venkatasubbaiah, B., Chakravarthy, Ivon Elisha

“…A simple, sensitive, and reproducible ultra performance liquid chromatography (UPLC) coupled with a photodiode array detector method was developed for the…”
Get full text

Validated chiral LC Method for the Enantiomeric Separation of Galantamine by Ravinder, Vadde, Ashok, S, Prasad, A. V. S. S, Balaswamy, G, Kumar, Y. Ravindra, Bhaskar, B. Vijaya

“…A rapid isocratic chiral HPLC method has been developed for the separation of R-galantamine from S-galantamine. Good resolution viz. Rs > 3 between R- and S-…”
Get full text

Structural studies on the impurities of troglitazone by Moses Babu, J, Nageshwar, D, Ravindra Kumar, Y, Prabhakar, C, Sarma, M.R, Om Reddy, G, Vyas, K

“…The impurity profile study of troglitazone has been carried out primarily by (liquid chromatography–mass spectrometry) LC–MS. Four process-related impurities…”
Get full text

Stability Indicating HPLC Method Development and Validation of Rivaroxaban Impurities and Identification Forced Degradation Products by LC-MS/MS by Chollety, Vijaykumar, Y, Ravindra Kumar, Pasula, Aparna, Surya, Prakash Rao Pydimarry

“…Aim of the study was to develop a single sensitive and robust analytical method which can separate enantiomers, degradants, potential and process related…”
Get full text

LC-MS/MS and NMR Characterization of Key Impurities in Linagliptin and Pramipexole by Parsha, Swetha, Kumar, Y. Ravindra, Ravichander, M.

“…A sensitive, rugged, and robust LC-MS/MS and NMR analysis has been developed for the identification and characterization of key impurities of Linagliptin and…”
Get full text

N-tert-Butyl-3-oxo-4-aza-5β,17β-androstane-17-carboxamide methanol solvate, a finasteride impurity by Moses Babu, J., Ravindra Kumar, Y., Vyas, K., Om Reddy, G., Rajan, S. T., Reddy, M. S. N.

Get full text