Open access · Peer reviewed · No APCs
Original ArticleIndian Journal of Pharmaceutical Education and ResearchVol. 50 | Issue 3 | 2026 | pp. 489–494Open access
Development and Validation of a RP-HPLC Method for the Simultaneous Estimation of Sulfadoxine and Pyrimethamine in Combined Dosage Tablets
- 1,
- 1,
- 1
- 1 Department of Pharmaceutical Analysis, Goa College of Pharmacy, 18th June Road, Panjim-403001, Goa, INDIA.
Published in Indian Journal of Pharmaceutical Education and Research
Correspondence: Email: pnsanjaypai@gmail.com
Copyright: © 2026 Manuscript Technomedia. This is an open access article.
- Published:
- Aug 12, 2026
- Received:
- Feb 19, 2016
- Accepted:
- Apr 27, 2016
How to cite
PN, S. P., Dias, C., & Sawant, N. (2026). Development and Validation of a RP-HPLC Method for the Simultaneous Estimation of Sulfadoxine and Pyrimethamine in Combined Dosage Tablets. Indian Journal of Pharmaceutical Education and Research, 50(3), 489–494. https://doi.org/10.5530/ijper.50.3.24
Abstract
A new simple, sensitive and reproducible RP-HPLC method for the simultaneous estimation of sulfadoxine and pyrimethamine in pharmaceutical formulations was developed and validated. The separation was carried out on Zorbax Eclipse Plus C18, 3.5 µm (4.6×100 mm) column with acetonitrile: 20 mM sodium acetate buffer pH 6, 80:20% v/v as the mobile phase at the flow rate of 1 ml/min. The eluent detection was carried out using UV-Visible PDA detector at 224 nm. The retention time of sulfadoxine and pyrimethamine was 0.9 min and 1.2 min respectively. Linearity was observed for sulfadoxine and pyrimethamine in the concentration range of 60-200 µg/ml and 3-10 µg/ml respectively. The recovery of sulfadoxine and pyrimethamine was found to be 97.21-98.56% and 96.90-97.26% respectively.
Keywords
Subject
Article metadata
| Title | Development and Validation of a RP-HPLC Method for the Simultaneous Estimation of Sulfadoxine and Pyrimethamine in Combined Dosage Tablets |
|---|---|
| Authors | Sanjay Pai PN; Cynella Dias; Neelam Sawant |
| Affiliations | Department of Pharmaceutical Analysis, Goa College of Pharmacy, 18th June Road, Panjim-403001, Goa, INDIA. |
| Corresponding author | pnsanjaypai@gmail.com |
| Journal | Indian Journal of Pharmaceutical Education and Research |
| Volume / Issue | Vol. 50, Issue 3 (2026) |
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