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International Journal of Pharmaceutical InvestigationNOW IN
Article

Stability Indicating LC-MS Method Development and Validation for the Study of the Forced Degradation Behavior of Pimobendan Drug

Atchuta Ramakrishna Gudapati1★, Srinivasarao Pakalapati1, Chidananda Swamy Rumalla1, Benarji Patrudu Tammina2★ Corresponding author

  1. 1Department of Medicinal Chemistry, GVK Biosciences Pvt. Ltd, IDA Nacharam, Hyderabad,Telangana, INDIA.
  2. 2Department of Chemistry, Gitam School of Science, Rudraram, Patancheru Mandal, Hyderabad, Telangana, INDIA.

CORRESPONDENCE

Atchuta Ramakrishna Gudapati

Department of Medicinal Chemistry, GVK Biosciences Pvt. Ltd, IDA Nacharam, Hyderabad,Telangana, INDIA.

atchutaramakrishnagudapati@gmail.com

Received: 05-09-2020; Revised: 25-10-2020; Accepted: 09-11-2020.

Volume 10, Issue 4 · pp. 526–530 · PUBLISHED · DOI: 10.5330/ijpi.2020.4.91

View on IJPI original site ↗

ABSTRACT

Objectives: Analytical methods are necessary for the field of pharmaceuticals to discover the drug, determination of drugs and metabolites in biological matrices. The present study aimed to develop liquid chromatography-tandem mass spectrometry (LC-MS) and validation for quantification of Pimobendan in the formulation. Methods: The mobile phase composition was methanol, acetonitrile and 0.1 M phosphate buffers in the ratio of 45:15:40 (v/v) mixtures with isocratic elution. Prontosil ODS C18 column (250 × 4.6 mm, 5μ) was selected for separation with 264nm of LC UV detector wavelength. Ionization mass spectrophotometer was analyzed at nitrogen gas flow at 300 Psi and 300°C of source temperature. Mass spectrometry analysis of Pimobendan drug fragments was performed by introducing column eluting into equipment for Q1 and MS scan. Results: The drug was eluted at 3.56 min retention and the calibration curve was achieved at 0.5-250 µg/ml standard concentration. Different parameters of validation (linearity, specificity, precision, accuracy, selectivity and robustness) were performed and results confirm that all the parameters are in the acceptable limit. In the electrospray ionization spectra of Pimobendan [M+H], positive ions were observed at an m/z value of 335.42. The product-ions of 335.42 were observed at m/z value of 319.18, 287.19, 277.09, 261.08, 250.16, 223.30, 111.47 and 86.05. Conclusion: The proposed method is successfully achieved the acceptance criteria of all validation parameters and stability studies.

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    Gudapati, A. R., Pakalapati, S., Rumalla, C. S., & Tammina, B. P. (). Stability Indicating LC-MS Method Development and Validation for the Study of the Forced Degradation Behavior of Pimobendan Drug. International Journal of Pharmaceutical Investigation, 10(4), 526–530. https://doi.org/10.5330/ijpi.2020.4.91