About chiralpedia

Welcome to Chiralpedia, your premier online resource for Chiral Science. Our focus encompasses stereochemistry, drug chirality, chiral synthesis, separation, analysis, and chiral materials. We cater to academia and industry professionals, providing continually updated content to keep pace with advancements in chiral science. Whether you are a faculty member, research scholar, or student, Chiralpedia offers valuable insights and knowledge in the field of chiral technology. Chiralpedia’s credo is to be an online repository for chiral science.


Professor Harkishan Singh
(1928 - 2020)

“Chiralpedia.com is dedicated to the memory of my guru Padma Shri Prof. Harkishan Singh, who led me into the wonderful world of chirality”.


Valliappan Kannappan
Founder, chiralpedia.com

Dr. Valliappan Kannappan is a distinguished former Professor of Quality Assurance in the Department of Pharmacy at Annamalai University, Tamil Nadu, India. With over three decades of extensive experience in teaching and research in medicinal chemistry, Dr. Valliappan has been a pivotal figure in promoting the importance of chirality in pharmaceutical education and research. Driven by his passion for chiral science he founded chiralpedia.com in 2021.

Valliappan’s scholarly contributions have been recognized through numerous visiting professorships and prestigious awards. He has served as a Visiting Professor at the Philadelphia College of Pharmacy, University of the Sciences in Philadelphia, PA, USA, and has also held the position of Visiting Professor for the Indian Society of Technical Education (ISTE) in Pharmacy, New Delhi. His accolades include Dr. P. D. Sethi Award, Professor M. L. Khorana Award, Indian Drugs Research Award, and the Association of Pharmaceutical Teachers of India (TN) Life Time Achievement Award (2024).

Valliappan’s research focuses on the separation and analysis of chiral drugs, aiming to address pharmaceutical and biomedical challenges. He has played a significant role in advancing chiral science, particularly in chiral separation and analysis, within pharmaceutical education and research in India. He has contributed to Wikipedia articles on topics such as chiral drugs, chiral switch, chiral analysis, chiral inversion, and chirality timeline.

Valliappan earned his Bachelors Degree in Science from Calicut University, Bachelors Degree in Pharmaceutical Sciences from Bangalore University and Master’s Degree in Pharmaceutical Chemistry from the Department of Pharmaceutical Sciences, Panjab University (1983-85 batch) and Doctorate from Annamalai University, India.