Thank you very much for using our ADME calculator. Website analysis showed that the page containing the ADME calculator is by far the most visited page of the armakovic.com website. Only during 2023. ADME calculator was used more than 2100 times. It gives us tremendous pleasure to know that this tool is constantly used.
We just wanted to inform you that other tools for atomistic calculations that we develop are available at https://atomistica.online . There you can find even the slightly improved version of the ADME calculator (at atomistica website, the ADME calculator is part of the main atomistica application)
Please be sure to visit https://atomistica.online, and if you are using an ADME calculator or any other tool we developed at https://atomistica.online platform, please be sure to cite the following paper:
Stevan Armaković and Sanja J. Armaković
ATOMISTICA.ONLINE – WEB APPLICATION FOR GENERATING INPUT FILES FOR ORCA MOLECULAR MODELING PACKAGE MADE WITH THE ANVIL PLATFORM
Molecular Simulation, 49 (1) (2023), 117 – 123, DOI: 10.1080/08927022.2022.2126865
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When you read scientific papers dealing with new molecules with pharmaceutical potential, chances are you will find phrases like “Lipinski’s rule of five”, “drug likeness parameters” or “drug likeness prediction”. Drug likeness parameters are important indicators whether some molecule possesses suitable absorption, distribution, metabolism, and excretion (ADME) properties or not. In other words, the values of certain parameters show to what extent some molecule is similar to molecules with suitable ADME properties.
The most frequently used drug likeness parameters are the ones used by Lipinski et al. In their famous study , they have performed a statistical analysis of around 2200 drugs from the World Drug Index. The study revealed the reference values of selected parameters, which newly designed molecules should have. This rule is known as the “Lipinski’s rule of five”, or the “Pfeizer’s rule”. Further studies have identified other relevant drug likeness parameters. The most popular can be calculated by using the tool on this page. TPSA stands for the “topological polar surface area” . Nice review about drug likeness parameters can be found in the article by Gisbert Schneider 
The tool on this page was made with the help of RDKit, thanks to the fact that the developers of this great python library included practically all relevant drug-likeness descriptors.
 Lipinski CA, Lombardo F, Dominy BW. et al. Experimental and computational approaches to estimate solubility and permeability in drug discovery and development settings. Adv Drug Delivery Rev. 1997;23:3–25
 Ertl P, Rohde B, Selzer P. Fast Calculation of Molecular Polar Surface Area as a Sum of Fragment-Based Contributions and Its Application to the Prediction of Drug Transport Properties. J. Med. Chem. 2000; 43:3714–3717
 Schneider, Gisbert. “Prediction of drug-like properties.” Madame Curie Bioscience Database [Internet]. Landes Bioscience, 2013.